Maca root benefits center on sexual desire, backed by 3 small randomized trials of men and women. Across those studies maca improved libido at doses near 3 grams daily, yet it did not raise testosterone or other sex hormones.
This article covers what the published evidence actually shows: which maca benefits hold up in clinical trials, which are still preliminary, and the testosterone myth that most pages get wrong.
Quick Answer: Maca Root Benefits
Maca root has modest randomized support for sexual desire and some menopausal symptoms, including antidepressant-induced sexual dysfunction in 1 placebo-controlled trial. Energy, stamina and mood claims stay preliminary. Maca does not reliably raise testosterone. Talk to a clinician before starting.
Key Takeaways
- Sexual desire shows the strongest support across 3 randomized trials.
- Maca did not change testosterone in a 12-week men's study.
- Menopausal symptom relief rests on just 2 small pilot studies.
- Energy and stamina rest on animal data, not 1 human trial.
- Maca eased side effects in 1 placebo-controlled antidepressant trial of women.
- Trials are small, so 6 weeks of use proves little yet.
What Maca Root Actually Does
Maca root works through compounds called macamides and glucosinolates, not through hormone-style activity. This distinction is the single most important fact behind every realistic maca benefit, and it explains why effects appear modest rather than dramatic.
Maca (Lepidium meyenii) is a cruciferous root from the Peruvian Andes, traditionally used for energy, fertility and libido. Modern reviews catalog its unique fatty-acid amides and sulfur compounds as the likely active constituents[1]Maca Glucosinolates and Macamides — Natural Products and Bioprospecting (2018) View source.
- Botanical: Lepidium meyenii, a high-altitude cruciferous root vegetable.
- Active compounds: macamides, macaenes and glucosinolates.
- Mechanism: not yet fully mapped; appears hormone-independent.
- Forms: raw powder, gelatinized powder and standardized capsules.
If you are new to the plant, start with What Is Maca Root? Benefits, Types and Uses. What separates a useful summary from marketing is honesty about evidence strength, and the strongest signals come from sexual function rather than energy[2]Maca: From Tradition to Science — Forschende Komplementarmedizin (2009) View source.
Evidence-Graded Maca Benefits
Maca benefits fall into 3 honest tiers: modest randomized support, preliminary signals, and a debunked hormone claim. Grading the evidence this way prevents the common error of treating a small pilot study as settled fact.
The table below maps each commonly cited benefit to its actual evidence level. Use it as a reality check against pages that promise guaranteed results.
| Benefit | Evidence level | What the studies show |
|---|---|---|
| Sexual desire / libido | Modest (randomized) | Improved in 3 small trials of men and women. |
| Antidepressant-induced sexual dysfunction | Modest (1 placebo trial) | Eased symptoms vs placebo in 1 study. |
| Menopausal symptoms | Preliminary | 2 small pilots reported reduced discomfort. |
| Energy and stamina | Preliminary | Mostly traditional use and animal models. |
| Mood | Preliminary | Signals in 1 menopause pilot; not isolated. |
| Testosterone increase | Not supported | No hormone change in a 12-week study. |
Maca and Sexual Desire
Sexual desire is the maca benefit with the clearest randomized support, improving across roughly 3 small controlled trials. A dose-finding study found higher maca doses meaningfully improved sexual function scores, which is why most product recommendations cluster around that range[3]Maca Dose-Finding RCT — CNS Neuroscience & Therapeutics (2008) View source.
A separate placebo-controlled trial in women taking antidepressants found maca eased the sexual side effects those drugs often cause. The effect was modest but measurable against placebo[4]Maca for Antidepressant-Induced Sexual Dysfunction — Evidence-Based Complementary and Alternative Medicine (2015) View source.
- Libido improved across men and women in small randomized trials.
- Effects appeared after several weeks of consistent daily use.
- Benefits did not depend on raising any sex hormone.
- Sample sizes were small, so confidence remains limited.
Consistency matters most, which is why many people choose a standardized capsule. Remedy's 1000 mg maca root delivers a precise vegan dose without the earthy taste of raw powder, making a daily routine easier to keep.
Maca for Menopausal Symptoms
Menopausal benefit evidence is preliminary, resting on 2 small pilot studies rather than large trials. One pilot in postmenopausal women reported lower blood pressure and reduced depression scores after maca, hinting at a mood and wellbeing effect worth further study[5]Maca in Postmenopausal Women — Climacteric (2015) View source.
A second early study using gelatinized maca suggested easing of menopausal discomfort, though the design was small and the findings remain tentative[6]Maca and Menopausal Hormone Balance — International Journal of Biomedical Science (2006) View source. Importantly, maca is not a hormone replacement and should not be treated as one.
- 2 small pilots reported reduced menopausal discomfort.
- 1 pilot noted lower depression and blood-pressure scores.
- Maca is not an estrogen or HRT substitute.
- Larger, longer trials are still needed for confidence.
Energy, Stamina and Mood
Energy and stamina are the most overstated maca benefits, supported mainly by tradition and animal research rather than human trials. A 2024 review of physical-performance studies found the strongest effects in animal models, not in controlled human experiments[7]Maca and Physical Performance — Nutrients (2024) View source.
That does not mean people feel nothing. Subjective wellbeing improvements show up in some reports, but they are hard to separate from placebo in tiny studies[8]Medicinal Effects of Peruvian Maca — Food & Function (2020) View source.
- Stamina effects appear mainly in animal models, not human trials.
- Subjective energy reports are hard to separate from placebo.
- Mood signals come from 1 menopause pilot, not dedicated studies.
- Treat energy and mood as possible bonuses, not core benefits.
Does Maca Raise Testosterone?
Maca does not raise testosterone, and this is the most important myth to correct. In a controlled study of men, maca improved sexual desire while serum testosterone stayed unchanged, proving the libido effect is hormone-independent[9]Maca, Sexual Desire and Testosterone — Andrologia (2002) View source.
A follow-up endocrinology study confirmed maca did not alter luteinizing hormone, follicle-stimulating hormone, testosterone or estradiol in men[10]Maca and Reproductive Hormones — Journal of Endocrinology (2003) View source.
- Testosterone stayed flat in a 12-week study of healthy men.
- LH, FSH and estradiol were also unchanged.
- Libido improved despite no hormone shift.
- Maca is not an androgen or testosterone booster.
If a label claims a testosterone boost, the science does not back it. For the full male-focused picture, read whether does maca raise testosterone in our dedicated guide.
How to Get the Most From Maca
Getting maca benefits comes down to consistency and a sensible dose, typically 1.5 to 3 grams per day in trials. Most studies ran for several weeks before measuring effects, so a 1-day trial tells you little about whether maca works for you.
Start low, take it with food, and keep it daily. For exact amounts by goal, see Maca Dosage: How Much to Take.
- Dose: 1.5 to 3 grams daily mirrors most trials.
- Timing: with a meal, ideally the same time each day.
- Duration: give it 4 to 8 weeks before judging.
- Form: capsules for precision, powder for flexible dosing.
Maca is generally well tolerated at studied doses, though the evidence base is still small and short-term. People with thyroid or hormone-sensitive conditions should always check with a clinician before starting a new daily supplement.
Frequently Asked Questions
What are the main benefits of maca root? +
Maca root's best-supported benefit is improved sexual desire, seen in roughly 3 small randomized trials. It also eased symptoms in 1 placebo-controlled study of antidepressant-induced sexual dysfunction. Menopausal relief, energy and mood remain preliminary, based on small pilots, tradition and animal data rather than large human trials.
Does maca root increase testosterone? +
No, maca does not increase testosterone. In a 12-week study of men, maca improved sexual desire while serum testosterone stayed unchanged. A separate endocrinology study found no change in LH, FSH, testosterone or estradiol. Maca's libido effect is hormone-independent, so any testosterone-boost claim is not backed by the science.
How long does maca take to work? +
Most studies measured effects after 6 to 12 weeks of daily use, not days. Maca works gradually, so plan on at least 4 to 8 weeks of consistent intake before judging results. Taking it once or twice tells you very little, since the studied benefits appeared only with sustained, regular dosing.
Does maca work for women? +
Yes, for some women, with modest support. A placebo-controlled trial found maca eased antidepressant-induced sexual dysfunction in women, and 2 small pilots reported reduced menopausal discomfort and depression scores. Evidence is limited and maca is not a hormone replacement, so women with hormone-sensitive conditions should consult a clinician first.
Is maca good for energy and stamina? +
Energy and stamina claims are the weakest, supported mainly by tradition and animal studies. A 2024 review found the strongest performance effects in animal models, not controlled human trials. Some people report subjective wellbeing gains, but these are hard to separate from placebo in small studies, so treat energy benefits as unproven bonuses.
How much maca should I take for benefits? +
Clinical trials commonly used 1.5 to 3 grams of maca per day. Start at the lower end, take it with food, and stay consistent for 4 to 8 weeks. Capsules give a precise dose, while powder allows flexible amounts. There is no proven benefit to exceeding the studied range, so more is not better.
Does maca affect mood? +
Possibly, but the evidence is preliminary. In 1 pilot of postmenopausal women, maca was linked to lower depression scores alongside reduced blood pressure. Mood effects have not been isolated in dedicated trials, so they remain a tentative signal. Maca should not replace treatment for diagnosed depression or anxiety under a clinician's care.
Is maca safe to take daily? +
Maca is generally well tolerated at studied doses of 1.5 to 3 grams daily, with toxicology assessments showing no notable harm. However, trials are small and short-term. People with thyroid or hormone-sensitive conditions, and anyone pregnant or breastfeeding, should consult a clinician before daily use to confirm it is appropriate.
Does maca help with antidepressant side effects? +
One placebo-controlled trial suggests it can. In women taking antidepressants, maca modestly eased the sexual side effects those medications often cause. The effect was measurable against placebo but the study was small. Do not stop or change any prescribed medication without speaking to the prescribing clinician first.
Which maca benefit has the strongest evidence? +
Sexual desire has the strongest evidence, with improvement across roughly 3 small randomized controlled trials in men and women. Even so, sample sizes were small, so confidence is moderate rather than high. All other maca benefits, including energy and menopausal relief, sit below this on the evidence ladder as preliminary findings.
Can maca replace hormone therapy? +
No, maca is not a hormone replacement. Controlled studies show it does not change testosterone, estradiol, LH or FSH levels. Its menopausal benefits, seen in 2 small pilots, appear hormone-independent. Anyone considering hormone therapy should discuss it with a clinician rather than substituting maca for prescribed treatment.
Does the type of maca change the benefits? +
Possibly, but the evidence is early. Black, red and yellow maca differ in nutrients and have been studied for slightly different uses, with black maca linked to stamina and sperm in some research. These color-specific differences come from small or preclinical studies, so for now choose a quality 1000 mg product over chasing a specific color.
Should I take maca with food? +
Yes, taking maca with a meal is the common approach and may reduce minor digestive upset. Aim for the same time each day to support consistency over the 4 to 8 weeks studies typically run. Capsules make this easy, since 1 daily dose with breakfast removes the earthy taste of raw powder.
Related Reading
- the maca for women guide
- which maca form is right for you
- Remedy's maca types explainer
- is maca safe to take
