Ginseng vs Maca: Which Adaptogen Fits Your Energy Goals?

A plain-English, evidence-first comparison to help you decide whether ginseng or maca actually matches the kind of energy you are chasing — steady focus, physical stamina, mood, or a caffeine-free lift.

Health disclaimer (please read first). This article is general wellness education, not medical advice. These statements have not been evaluated by the Food and Drug Administration. Ginseng, maca, and functional coffee are not intended to diagnose, treat, cure, or prevent any disease. Herbal supplements can interact with medications and are not right for everyone. Always talk to a qualified healthcare professional before starting any new supplement, especially if you are pregnant, breastfeeding, managing a health condition, or taking prescription medication. Evidence summaries below are current as of July 2026 and may change as new research is published.

TL;DR — The Quick Answer

Ginseng and maca are both marketed as natural "energy" botanicals, but they work in very different ways and suit different goals.

• Ginseng (true Panax ginseng — Korean/Asian or American) is a classic adaptogen. It is most often researched for mental fatigue, alertness, and stress resilience. If your "energy goal" is sharper focus and pushing through mental tiredness, ginseng is the one people usually reach for. Many people describe it as feeling more stimulating — an anecdotal, traditional characterization rather than a firmly established clinical finding — so some prefer not to take it late in the day.
• Maca (Lepidium meyenii, a Peruvian root vegetable) is not botanically related to ginseng despite its nickname "Peruvian ginseng." It is a caffeine-free nourishing root more often associated with stamina, mood, and hormonal-balance support, and it is traditionally described as working gradually rather than as an acute pick-me-up. If your goal is a non-stimulant, food-like daily base — or you are sensitive to stimulation — maca is the more commonly chosen option.
• Neither is caffeine. Neither is a magic bullet. Human evidence for both is mixed and mostly small-scale, and honest expectations matter more than hype.
• Where CafeBank fits (covered in full later): CafeBank does not sell a ginseng product. It uses maca — extracted via SFE / supercritical-CO₂ extraction (a process-transparency point, not a health claim) — inside its 3-in-1 functional coffee lineup. If maca is the direction you land on, that is the honest CafeBank connection; ginseng in this article stays purely educational.

One-line rule of thumb: Reach toward ginseng for acute mental drive and stress-load days; reach toward maca for a steady, caffeine-free, food-like daily base — and reach for neither if you are looking for a quick jolt (that is what caffeine does).

Why People Compare Ginseng and Maca in the First Place

Type "natural energy without the crash" into a search bar and you will meet the same short list of botanicals again and again: ginseng, maca, ashwagandha, rhodiola, guarana. Ginseng and maca get lumped together constantly — partly because maca picked up the marketing nickname "Peruvian ginseng," and partly because both are sold as caffeine-free "energy and vitality" roots.

But that pairing is a little misleading. Ginseng and maca are not close relatives, do not contain the same active compounds, and do not have the same track record in human research. Understanding how they differ is the whole point of choosing well. If you buy the wrong one for your goal, you will likely conclude "adaptogens don't work," when the real problem was a mismatch.

This guide walks through what each plant actually is, how each is thought to work, what the human evidence does and does not support, who each one suits, the safety cautions that matter (this is a Your-Money-or-Your-Life health topic, so we treat it seriously), and — only if it is genuinely relevant to you — where a maca-containing functional coffee like CafeBank's SFE lineup fits.

If you want the broader map of these ingredients first, our adaptogen coffee ingredients overview is a good companion read.

What Is Ginseng, Really?

"Ginseng" is one of the most abused words in the supplement aisle, so let us be precise.

True ginseng belongs to the genus Panax. The two most-studied species are:

• Asian / Korean ginseng (Panax ginseng) — often sold as Korean red ginseng when it has been steamed and dried, a process traditionally said to make it more "warming" and stimulating (a traditional characterization, not a clinically established functional difference).
• American ginseng (Panax quinquefolius) — in Traditional East Asian Medicine, described as more "cooling" or calming than Korean ginseng (a traditional framing, not a clinical claim).

The active compounds most researchers focus on are a family of saponins called ginsenosides, widely regarded as the principal bioactive constituents of Panax ginseng (PMID: 41120028; 27864798). The specific ginsenoside profile differs between Korean and American ginseng, which is one reason the two are often described as feeling different.

Importantly, several products labeled "ginseng" are not Panax at all:

• Siberian "ginseng" (Eleutherococcus senticosus) is a different plant entirely (eleuthero). It is an adaptogen in its own right but is not true ginseng (PMID: 34445021; 10404532).
• "Peruvian ginseng" is maca — the subject of the other half of this article, and again, not true ginseng.
• "Indian ginseng" is usually ashwagandha.

So when a label just says "ginseng," check the Latin name. For the energy and fatigue conversation, the meaningful research is on Panax species. If you want to go deeper on the two Panax types, see our comparison of Korean red ginseng vs American ginseng.

Is ginseng a "true" adaptogen?

Yes — ginseng is one of the original, textbook adaptogens. The adaptogen concept describes plants proposed to help the body resist a range of stressors and return toward balance, and ginseng is consistently cited as a classic example in the herbal-medicine literature (PMID: 34445021; 10404532). It is worth saying plainly that "adaptogen" is a traditional and functional-food category, not a strictly regulated medical one, and the strength of human evidence varies a lot from claim to claim. We will be honest about that below.

What Is Maca, Really?

Maca (Lepidium meyenii) is a cruciferous root vegetable — a cousin of broccoli, cabbage, and radish — grown high in the Peruvian Andes. It has been eaten as a food and used traditionally for stamina and fertility for a very long time (PMID: 16042502; 30151716).

This "it's actually a food" point matters. Unlike ginseng, which is used almost entirely as a medicinal herb, maca is a nutrient-dense root you can eat in quantity, typically dried and milled into a powder. That food-like nature is part of why it is often described as nourishing and gradual rather than stimulating.

Maca comes in different colors — yellow, red, and black — and some researchers and traditional users claim the colors have somewhat different properties (for example, black maca is often discussed in the context of stamina, red maca in other contexts). Color-specific differences are an area of preliminary, limited research and should not be overstated.

The compounds most often discussed in maca are macamides and macaenes (unique fatty-acid derivatives) and glucosinolates (the sulfur compounds characteristic of the cruciferous family) (PMID: 30151716; 16042502). Crucially, maca contains no caffeine and no ginsenosides. Whatever maca does, it does not do it the way ginseng does.

Is maca actually an adaptogen?

This is where honesty helps. Maca is popularly marketed as an adaptogen, but botanically and pharmacologically it does not fit the classic adaptogen mold as cleanly as ginseng, rhodiola, or ashwagandha do — whether maca meets a formal adaptogen definition is contested in the literature. It is probably most accurate to describe maca as a nutritive functional food with traditional energy and vitality uses, and to treat the "adaptogen" label as a marketing convenience rather than a settled scientific classification. Our maca coffee complete guide goes deeper on this if you want the long version.

Ginseng vs Maca at a Glance

How Each One Is Thought to Work

A quick, honest note on mechanism: for both plants, the proposed mechanisms are still an active research area, and mechanism in a lab does not guarantee a benefit you will feel. Treat the following as "current hypotheses," not proven pathways.

Ginseng — proposed mechanisms

Ginsenosides are studied for effects on the stress-response system (the HPA axis), nitric-oxide signaling, and neurotransmitter and inflammatory pathways — the kinds of systems that could plausibly connect to alertness, fatigue, and stress adaptation. These mechanisms remain under investigation and are largely preclinical (PMID: 41120028). Because those pathways touch arousal and cognition, ginseng is frequently framed as a mental-energy and stress-resilience botanical rather than a physical-jolt one.

Maca — proposed mechanisms

Maca does not appear to work through caffeine-like stimulation or through hormone replacement. Some research explores whether macamides and other constituents influence mood, energy metabolism, and hormonal balance in an indirect, modulatory way, but the mechanisms are less well characterized than ginseng's. A key safety-relevant point often missed: maca is not a phytoestrogen and does not appear to contain plant hormones — its traditional "hormonal balance" reputation is about modulation, not adding hormones to the body. In a controlled study, maca's effects were not related to estrogen or androgen content, consistent with maca not acting as a phytoestrogen or plant hormone (PMID: 18784609; 12472620).

The Evidence Review — Honest, Separated by Strength

This is the most important section, so we separate the evidence by type. Human trials matter most. Animal and test-tube (preclinical) studies are hypothesis-generating, not proof. Review-level evidence (systematic reviews and meta-analyses) helps summarize, but is only as strong as the trials it pools — and for both these plants, many trials are small, short, and varied in dose and preparation.

Every benefit statement below is tied to a specific PubMed-indexed study or review (PMIDs shown inline and listed in full in the References). Where the human evidence is small, mixed, or preliminary, we say so plainly.

Ginseng — human evidence

• Mental fatigue and cognitive performance: Several randomized human trials have examined Panax ginseng for alertness, working memory, and mental fatigue, with some positive but inconsistent results (PMID: 15982990; 16401645; 20737519; 21154383).
• Illness-related fatigue (cancer survivors, not the general population): American ginseng in particular has been studied for fatigue specifically in cancer survivors — not in healthy general-population adults. In those clinical trials, results were promising in places but not definitive, and they should not be read as a general-population energy claim (PMID: 23853057; 19415341).
• Blood sugar and other endpoints: Ginseng has been studied for effects on glucose metabolism, which is relevant to the safety/interaction discussion later (especially for people on diabetes medication) (PMID: 25265315; 15982990).

Honest read: ginseng has the larger human evidence base of the two, but "larger" is not "conclusive." Effect sizes are often modest, preparations vary, and results do not always replicate.

Maca — human evidence

• Energy, mood, and wellbeing: Small human trials have looked at maca for mood and general wellbeing, with some encouraging but preliminary findings; any "energy" benefit here should be read as preliminary, not proven (PMID: 18784609).
• Sexual function and libido: This is one of maca's most-studied areas in humans, with some evidence for effects on sexual desire that appears independent of hormonal changes — a distinct question from "energy" (PMID: 18801111; 12472620; 20691074).
• Menopausal symptoms and mood in specific groups: A number of small studies have explored maca in peri- and post-menopausal contexts, with small and mixed results (PMID: 18784609; 20691074).

Honest read: maca's human evidence is smaller and more preliminary than ginseng's, and much of it centers on sexual function and mood rather than "energy" in the caffeine sense. If a marketer implies maca is a proven daily energy booster, that is running ahead of the evidence.

Animal and preclinical evidence (both)

Both plants have a much larger animal and test-tube literature than human literature — studies on endurance, antioxidant activity, neuroprotection, and hormonal endpoints in rodents and cell models (PMID: 16042502; 41120028). This is the classic supplement-marketing trap: an impressive-sounding "study shows" claim is frequently an animal or in-vitro result that has never been confirmed in people. We flag it here so you can spot it in the wild.

Review-level evidence (both)

Systematic reviews and meta-analyses exist for both botanicals and generally reach a similar bottom line: promising signals, limited by small and heterogeneous trials, with calls for larger, better-standardized studies (PMID: 21154383; 25265315; 28707603; 20691074).

The overall honest verdict: neither ginseng nor maca is a "proven" energy cure. Ginseng has more human data and a stronger claim on the mental fatigue / alertness lane; maca has thinner data more concentrated on mood, stamina, and sexual function. Both are best thought of as supportive, individually variable, and modest — not transformative.

Which One Fits Your Energy Goal? A Practical Buyer's Checklist

"Energy" is not one thing. Match the botanical to the kind of energy you actually want.

Winner by goal (quick summary):

Choose ginseng if you… - Want support for mental sharpness, focus, and pushing through mental fatigue, especially on high-stress days. - Are looking for the more classically adaptogenic, activating option. - Can take it earlier in the day (some people find it too activating in the evening — a common preference, not a medical rule). - Are not on interacting medications (see safety section) and are not pregnant or breastfeeding. - Are comparing stimulating adaptogens — in which case also see ginseng vs tongkat ali and rhodiola vs ginseng.

Choose maca if you… - Want a caffeine-free, non-stimulant, food-like daily base rather than an acute lift. - Are drawn to the stamina / mood / hormonal-balance framing rather than the "mental jolt" framing. - Are sensitive to stimulation (jittery from too much coffee, anxious on high-caffeine pre-workouts). - Prefer something you can fold into a daily ritual (a smoothie, oatmeal, or functional coffee) rather than a pill you time carefully. - Are weighing maca against calming adaptogens — see ashwagandha vs maca.

Choose neither (or add something else) if you… - Actually want a fast, reliable jolt — that is caffeine's job, not an adaptogen's. If caffeine is really what you are after, read how much caffeine is too much first so you use it well. - Have a health condition, are pregnant or breastfeeding, or take medications that interact — talk to a professional before either.

A note on stacking. Some people combine a caffeine source with an adaptogenic or nourishing root (for example, guarana caffeine plus maca) to get an alertness lift and a nourishing base in one ritual. If you are curious about combining ingredients sensibly, our coffee and adaptogens stacking guide covers the do's and don'ts. Stacking is not automatically "better," and more ingredients is not more benefit.

Dosing, Forms, and What to Look For on a Label

We are deliberately not printing specific milligram doses as recommendations, because appropriate dosing depends on the exact preparation, standardization, your health status, and professional guidance — and because dose figures in marketing are often lifted from a single study on a specific extract.

Instead, here is how to read a label critically:

• Look for the Latin name. "Ginseng" should say Panax ginseng or Panax quinquefolius. "Maca" should say Lepidium meyenii. Vague labels are a yellow flag.
• Watch for "proprietary blends." If a product hides individual ingredient amounts inside a proprietary blend, you cannot tell how much maca or ginseng you are actually getting. (More on why that matters in our note on proprietary blends and caffeine intake.)
• Check the extraction / processing method. How a botanical is extracted is a legitimate transparency question — but be careful: an extraction method describes a process, not a guaranteed health outcome. A cleaner process does not automatically mean a stronger effect.
• Be skeptical of lab numbers turned into promises. A "certificate of analysis showed X" statement means little unless the serving size, the actual product, and the math are all transparent. Never assume a headline lab value equals what is in your cup.
• Ignore absolute claims. "Clinically proven," "works for everyone," "no side effects," or "free from all chemicals"-style absolutes are marketing tells, not science.

YMYL Safety Section — Who Should Be Careful, and Who Should Skip

This is a health topic, so read this part carefully. General wellbeing does not mean "safe for everyone." Botanicals are biologically active, which is the whole point — and that is also why they carry real cautions.

Ginseng — safety cautions

• Warfarin (blood thinners) — discuss before combining. Case reports have raised concern about combining ginseng with warfarin, but controlled studies have mostly not confirmed a significant interaction; because warfarin is dose-critical, tell your clinician before combining (PMID: 27864798; 22257149). Do not start ginseng on your own if you take any anticoagulant.
• Blood sugar and diabetes medication. Ginseng has been evaluated for effects on blood glucose, so combining it with antidiabetic medication could add to a blood-sugar-lowering effect — a well-supported reason for caution and clinician oversight (PMID: 25265315).
• Stimulation and sleep. Some people report overstimulation, restlessness, or trouble sleeping, particularly with Korean red ginseng or later-in-day use — these are commonly reported subjective experiences rather than established clinical findings.
• Blood pressure and hormone-sensitive conditions. Meta-analysis has examined ginseng and blood pressure, and caution is often advised in hormone-sensitive conditions; discuss with a clinician (PMID: 28707603).
• Pregnancy and breastfeeding. Safety data for ginseng in pregnancy and breastfeeding are limited, so avoidance is a precautionary default rather than a proven-harm conclusion — talk to your clinician.

Maca — safety cautions

• Generally well tolerated, but not risk-free. Maca is widely eaten as a food and is usually well tolerated in the amounts studied, but "food" does not mean "no cautions" (PMID: 16042502).
• Thyroid consideration (goitrogens) — theoretical / precautionary. As a cruciferous vegetable, maca contains glucosinolates, the same chemical family associated with goitrogenic potential. This is a theoretical consideration relevant mainly to large intakes of raw cruciferous material or to people with existing thyroid disease — no human study has shown maca-induced thyroid harm (PMID: 16042502). Gelatinized (cooked) maca is often discussed as easier to digest, though that is a common observation rather than a clinical finding.
• Hormone-sensitive conditions. Because of maca's traditional hormonal-balance reputation, caution is often advised for hormone-sensitive conditions — even though controlled data indicate maca's effects were not related to estrogen or androgen content (PMID: 18784609). The honest answer is "data are limited, so ask a professional."
• Pregnancy and breastfeeding. There is not enough high-quality safety data on concentrated maca supplements in pregnancy and breastfeeding to recommend them, so avoidance is precautionary (PMID: 16042502).

Everyone — the universal rules

• Talk to a doctor or pharmacist first if you are pregnant, breastfeeding, under 18, managing any health condition, or taking any medication.
• Introduce one thing at a time so you can tell what is actually affecting you.
• Stop and seek advice if you notice anything unusual.
• Adaptogens are not a substitute for sleep, food, movement, and stress management — those remain the real foundation of energy. If your fatigue is persistent or severe, that is a reason to see a clinician, not to buy another supplement.

Where CafeBank Fits (And Where It Does Not)

(You have now read most of the article as standalone education. Here is the honest brand connection.)

First, the most important honesty point: CafeBank does not sell a ginseng product. Everything above about ginseng is purely educational — there is no CafeBank ginseng SKU to route you to, and we are not going to invent a reason to sell you one. If, after reading this, ginseng is clearly your direction, that is genuinely a "look elsewhere and talk to a professional" outcome, and that is fine.

Maca is the ingredient where CafeBank actually connects. CafeBank builds functional coffees that include maca, and it extracts its herbal ingredients using SFE / supercritical-CO₂ extraction. To be crystal clear about what that does and does not mean: SFE is a process-transparency point — it describes how the herbal ingredients are extracted (a CO₂-based process, rather than ethanol or hexane solvents). It is not a claim that the product works better, is more potent, changes caffeine behavior, or produces any health outcome. It is simply extraction-method transparency you can read on the label. (If you want the plain-English version of what that process is, see what SFE / supercritical-CO₂ extraction means for functional coffee.)

Here is how the maca-containing lineup maps to the "which fits my goal" question, as of July 2026 (always re-check the current product page before buying, because formulations and availability change):

• CafeBank SFE Tongkat Ali Maca Guarana Coffee 20g — the flagship 3-in-1 blend. It contains maca, alongside guarana and tongkat ali. If you arrived here interested in maca and want the fuller botanical blend in a brewed cup, this is the primary maca route. Note that tongkat ali's regulatory status varies by country and product form and should be confirmed locally before import or purchase in some markets.
• CafeBank SFE Maca & Guarana Coffee 10g — a no-tongkat stick format with maca + guarana only. This is the cleaner pick if you want maca and a caffeine source without tongkat ali.
• CafeBank SFE Maca & Guarana Coffee Tabs — a no-tongkat, portable, no-brew tablet format with maca + guarana. Same maca-plus-caffeine idea in a grab-and-go form.

How this connects to your energy goal, honestly: all three give you maca as a nourishing base plus guarana as the caffeine lift — a caffeine + maca ritual, not a maca-only supplement. If your takeaway from the buyer's checklist was "I want a caffeine-free maca base," then a plain maca powder (not a coffee) is the better literal match — treat CafeBank's blends as a coffee-plus-maca ritual, not a caffeine-free option. We would rather tell you that than oversell. For the full picture, our maca coffee complete guide is the deeper read, and what is ginseng coffee covers the ginseng-coffee category we do not compete in.

No CafeBank product mention here is a medical or efficacy claim. Maca in these products is food-grade botanical support, extracted transparently — nothing more is being promised.

Frequently Asked Questions

1. Is maca the same as ginseng?

No. Despite the nickname "Peruvian ginseng," maca (Lepidium meyenii) is a cruciferous root vegetable and is not botanically related to true Panax ginseng. They contain different active compounds (macamides vs ginsenosides) and have different research profiles (PMID: 16042502; 30151716).

2. Which gives more energy, ginseng or maca?

It depends what you mean by energy. Ginseng is more associated with mental alertness and fatigue resistance; maca is more associated with stamina, mood, and a gradual, food-like effect. Neither is caffeine, and human evidence for both is modest. If you want a fast jolt, that is caffeine, not an adaptogen.

3. Can I take ginseng and maca together?

Some people do combine adaptogens and nourishing roots, but "more ingredients" is not automatically better, and combining raises the odds of interactions or overstimulation. If you take medication or have a health condition, get professional advice before stacking. See our stacking guide.

4. Does maca or ginseng have caffeine?

Neither contains caffeine. That is a key reason they are marketed as "energy without the crash." A functional coffee that includes maca (like CafeBank's blends) gets its caffeine from coffee and/or guarana, not from the maca.

5. When should I take each one?

Because ginseng can feel activating, many people prefer it earlier in the day. Maca is often taken daily and flexibly, folded into food or a morning drink. These are general habits, not medical dosing instructions — confirm what suits you with a professional.

6. Are ginseng and maca safe?

For many healthy adults they are generally tolerated, but both have real cautions — ginseng around medication interactions, blood sugar, blood pressure, and overstimulation; maca around thyroid (goitrogens) and hormone-sensitive conditions. Neither is recommended casually in pregnancy or breastfeeding due to limited data. Always check with a healthcare professional first (PMID: 27864798; 25265315; 28707603; 16042502).

7. How long until I notice anything?

Honestly, expectations should be modest and individual. Adaptogens and nourishing roots are typically discussed as gradual, supportive rather than instant, and many people notice little to nothing — which is a normal and honest outcome, not a sign you did it wrong.

8. Which is better for libido or sexual function, ginseng or maca?

For sexual function specifically, maca has the more-studied evidence base. Human trials have looked at maca for sexual desire and for SSRI-associated sexual dysfunction, and a systematic review has examined maca for improving sexual function (PMID: 18801111; 12472620; 20691074; 18784609). Ginseng's human evidence, by contrast, clusters around mental fatigue and cognition rather than libido. None of this is a treatment claim — the studies are small and mixed, and anyone with a medical concern about sexual function should see a clinician.

9. Is one better for men vs women?

Neither is strictly "a men's" or "a women's" botanical, but the research leans in different directions. Some of maca's most-cited human work is in postmenopausal women, where small studies looked at mood and sexual-function measures (PMID: 18784609; 20691074), and separate work looked at sexual desire in healthy men (PMID: 12472620). Ginseng's human data sit mainly in the fatigue and cognition lane and are not sex-specific (PMID: 23853057; 19415341; 21154383). These are general observations from small studies, not personalized advice.

10. Does CafeBank sell a ginseng coffee?

No. CafeBank's functional coffees use maca (plus guarana, and tongkat ali in the 20g blend), extracted via SFE / supercritical-CO₂. There is no CafeBank ginseng product; ginseng in this article is purely educational.

The Bottom Line

Ginseng and maca get compared constantly, but they are not twins. Ginseng is a true adaptogen with the larger (though still mixed) human evidence base, leaning toward mental fatigue and alertness — and carrying real medication-interaction cautions. Maca is a caffeine-free cruciferous food root with thinner, more preliminary human evidence concentrated on mood, stamina, and sexual function — gentle, but not consequence-free (thyroid and hormone-sensitive cautions apply).

Match the plant to your actual goal, read labels critically, keep your expectations honest, and — because this is your health — talk to a professional before starting either, especially around medications, pregnancy, or existing conditions. And remember the unglamorous truth: sleep, food, movement, and stress management do more for your energy than any root.

If maca is where you land and you want it inside a functional coffee ritual, CafeBank's SFE maca-containing lineup is the honest connection — with SFE understood strictly as extraction-method transparency, not a health promise.

Health disclaimer (repeated). These statements have not been evaluated by the Food and Drug Administration. Ginseng, maca, and CafeBank functional coffees are not intended to diagnose, treat, cure, or prevent any disease. This article is general education, not medical advice. Herbal supplements can interact with medications and are not appropriate for everyone. Consult a qualified healthcare professional before starting any supplement, particularly if you are pregnant, breastfeeding, under 18, managing a health condition, or taking medication. Evidence summaries are current as of July 2026.

References

All citations below are PubMed-indexed and were verified via the PubMed API before inclusion (raw metadata retained in the PUBMED_VERIFIED scratch block of the v2 source draft). Author lists, titles, journals, years, volumes, and DOIs are transcribed from that verified pull.

Ginseng

1. Song Y, Zhang S, Wang R, Zhang Y, Zhang Y, Lin H, Wang F. (2025). Ginseng as promising natural medicine against infectious diseases: Therapeutic targets and potential mechanisms. Journal of Ethnopharmacology. 356:120764. DOI: 10.1016/j.jep.2025.120764. PMID: 41120028.
2. Ramanathan MR, Penzak SR. (2017). Pharmacokinetic Drug Interactions with Panax ginseng. European Journal of Drug Metabolism and Pharmacokinetics. 42(4):545-557. DOI: 10.1007/s13318-016-0387-5. PMID: 27864798.
3. Shi S, Klotz U. (2012). Drug interactions with herbal medicines. Clinical Pharmacokinetics. 51(2):77-104. DOI: 10.2165/11597910-000000000-00000. PMID: 22257149.
4. Reay JL, Kennedy DO, Scholey AB. (2005). Single doses of Panax ginseng (G115) reduce blood glucose levels and improve cognitive performance during sustained mental activity. Journal of Psychopharmacology. 19(4):357-65. DOI: 10.1177/0269881105053286. PMID: 15982990.
5. Reay JL, Kennedy DO, Scholey AB. (2006). Effects of Panax ginseng, consumed with and without glucose, on blood glucose levels and cognitive performance during sustained 'mentally demanding' tasks. Journal of Psychopharmacology. 20(6):771-81. DOI: 10.1177/0269881106061516. PMID: 16401645.
6. Reay JL, Scholey AB, Kennedy DO. (2010). Panax ginseng (G115) improves aspects of working memory performance and subjective ratings of calmness in healthy young adults. Human Psychopharmacology. 25(6):462-71. DOI: 10.1002/hup.1138. PMID: 20737519.
7. Geng J, Dong J, Ni H, Lee MS, Wu T, Jiang K, Wang G, Zhou AL, Malouf R. (2010). Ginseng for cognition. Cochrane Database of Systematic Reviews. 2010(12):CD007769. DOI: 10.1002/14651858.CD007769.pub2. PMID: 21154383.
8. Barton DL, Liu H, Dakhil SR, Linquist B, Sloan JA, Nichols CR, McGinn TW, Stella PJ, Seeger GR, Sood A, Loprinzi CL. (2013). Wisconsin Ginseng (Panax quinquefolius) to improve cancer-related fatigue: a randomized, double-blind trial, N07C2. Journal of the National Cancer Institute. 105(16):1230-8. DOI: 10.1093/jnci/djt181. PMID: 23853057.
9. Barton DL, Soori GS, Bauer BA, Sloan JA, Johnson PA, Figueras C, Duane S, Mattar B, Liu H, Atherton PJ, Christensen B, Loprinzi CL. (2010). Pilot study of Panax quinquefolius (American ginseng) to improve cancer-related fatigue: a randomized, double-blind, dose-finding evaluation: NCCTG trial N03CA. Supportive Care in Cancer. 18(2):179-87. DOI: 10.1007/s00520-009-0642-2. PMID: 19415341.
10. Shishtar E, Sievenpiper JL, Djedovic V, Cozma AI, Ha V, Jayalath VH, Jenkins DJA, Blanco Mejia S, de Souza RJ, Jovanovski E, Vuksan V. (2014). The effect of ginseng (the genus panax) on glycemic control: a systematic review and meta-analysis of randomized controlled clinical trials. PLoS One. 9(9):e107391. DOI: 10.1371/journal.pone.0107391. PMID: 25265315.
11. Lee HW, Lim HJ, Jun JH, Choi J, Lee MS. (2017). Ginseng for Treating Hypertension: A Systematic Review and Meta-Analysis of Double Blind, Randomized, Placebo-Controlled Trials. Current Vascular Pharmacology. 15(6):549-556. DOI: 10.2174/1570161115666170713092701. PMID: 28707603.

Maca

12. Huang YJ, Peng XR, Qiu MH. (2018). Progress on the Chemical Constituents Derived from Glucosinolates in Maca (Lepidium meyenii). Natural Products and Bioprospecting. 8(6):405-412. DOI: 10.1007/s13659-018-0185-7. PMID: 30151716.
13. Valerio LG, Gonzales GF. (2005). Toxicological aspects of the South American herbs cat's claw (Uncaria tomentosa) and Maca (Lepidium meyenii): a critical synopsis. Toxicological Reviews. 24(1):11-35. DOI: 10.2165/00139709-200524010-00002. PMID: 16042502.
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Adaptogen concept & background

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