Typical guidance
Use the typical adult range shown above unless body size, deficiency, medication or a clinician-directed goal changes it.
MODERN BIO / SEXUAL HEALTH / SUPPLEMENT
Low evidenceMaca
Some evidence for desire; effects are not hormone replacement.
This page is a practical starting point—not a diagnosis or personalized prescription. The useful dose depends on the outcome, the person and the quality of the intervention.
01TYPESupplement
02TYPICAL SERVING / DOSECommon study range: 1.5–3 g/day
03TIMINGWith food at a consistent time
04TRIAL LENGTHOften studied for 6–12 weeks
HOW TO USE THIS PAGE
Decide whether maca deserves a real trial.
- 01Confirm the fit
Connect the intervention to a specific sexual health outcome and review the evidence boundary.
- 02Set the protocol
Define amount, timing, quality standard and a realistic trial length before starting.
- 03Track one useful signal
Choose the measure that will tell you to continue, adjust or stop.
RECOMMENDED RANGES
Men and women may need different context.
We only show a different amount when physiology, dietary requirements or clinical evidence supports it. Otherwise, we say the range is the same.Typical guidance
The typical adult range is often the same. Pregnancy, breastfeeding, fertility treatment and menopause may change appropriateness.
Important context: A separate male and female serving is not established for this intervention; avoid inventing a difference where research does not support one.
WHAT IT MAY HELP WITH
Why people use it
Some evidence for desire; effects are not hormone replacement. Its relevance here is specifically connected to sexual health. Outcomes can differ when the same intervention is used for another purpose.
Low evidence
Evidence is preliminary, indirect or based on small studies. Treat this as an option to watch—not a proven outcome.
SERVING & PROTOCOL
How it is typically used
Common study range: 1.5–3 g/day
Extract concentration varies. Evidence is limited and effects should not be described as hormone replacement.
- Timing
- With food at a consistent time
- How long to assess
- Often studied for 6–12 weeks
QUALITY CHECK
What to look for
- A form, device, provider or protocol that matches the evidence—not just the marketing name.
- Transparent labeling, realistic claims and independent quality verification where applicable.
- A measurable reason to use it and a predefined way to judge whether it is helping.
- No hidden proprietary blend or pressure to replace proven medical care.
SAFETY & INTERACTIONS
What to know first
Data in pregnancy, hormone-sensitive conditions and long-term use are limited.
Stop and reassessDiscontinue and seek appropriate care for a severe reaction, fainting, chest symptoms, breathing difficulty, neurological changes or rapidly worsening symptoms.
SCIENTIFIC EVIDENCE
Read the data yourself.
These high-level sources establish the scientific context for sexual health. The live PubMed link narrows the literature to maca.01Systematic review · 2018
Physical Activity to Improve Erectile Function
Reported that regular aerobic exercise—approximately 160 weekly minutes in the reviewed evidence—can improve erectile function in men with lifestyle-related risk factors.
Open scientific source ↗02Systematic review & meta-analysis · 2011
Lifestyle Modification and Erectile Dysfunction
Found that lifestyle change and cardiovascular risk reduction were associated with improved erectile function.
Open scientific source ↗LIVENATIONAL LIBRARY OF MEDICINE
Search Maca on PubMed
See the current indexed biomedical literature, including newer trials and reviews added after this page was published.
Open live PubMed search ↗Research quality is not determined by citation count alone. We consider design, sample size, controls, consistency, relevance, conflicts and whether the outcome was clinically meaningful.
MODERN BIO SELECT
The best option—regardless of commission.
We do not sell the top placement. Every winner must earn it through evidence, quality, safety, transparency and real-world value.PRODUCT / SERVICE PICKREVIEW IN PROGRESS
Best Maca product
We are comparing formulation, clinically relevant serving, contaminant testing, label transparency, value and manufacturer quality before naming a winner.
Get notified when selected →PROVIDER PICKVETTING IN PROGRESS
Best professional guidance
Our provider directory will prioritize credentialed clinicians and registered dietitians who evaluate the full picture before recommending a supplement.
Join the provider shortlist →What a winner must prove01 Third-party identity and contaminant testing02 A transparent, evidence-aligned serving03 No proprietary blend or inflated claims
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