Updated August 2026Expert Reviewed

Best Testosterone Supplements 2026

Two formulas. Fenugreek has the best record of the testosterone herbs, which is a low bar cleared honestly.

Disclosure: we may earn a commission if you buy through links on this page, at no extra cost to you. Commissions differ by product, which is why the ranking policy is published: the score decides the band a product sits in, and nothing we earn can move it past a better-scoring one.

Ranking changes(Changed August 15, 2026)
  1. August 15, 2026 Every score was recomputed from the published methodology, because the previous scores could not be reproduced from the stated criteria. The order changed in 16 of 31 categories. At the same time the ranking policy moved to published merit bands: the score decides the band, and nothing commercial can move a product past a better-scoring one.

Tribulus is the ingredient this category is sold on and the trials do not show it raises testosterone. That is worth knowing before you compare prices.

Quick Comparison: Top 2

#Read full reviewBest ForDoses published$/dayCheck Price
1Shilajit ExtremeMale Vitality & TestosteroneYes$1.39/dayCheck Best Price
2TestolanTestosterone SupportNo$1.38/dayCheck Best Price

Top Testosterone Supplements

#1Editor’s Choice$1.73/day

Shilajit Extreme

Multi-ingredient formula designed for

Best forMale Vitality

Shilajit Extreme delivers a well-rounded formula for men looking to naturally support testosterone, energy, and overall

Read moreShow less
  • Combines premium
  • Supports both
  • Contains bioavailable
Publishes its doses
IngredientOn the labelIn the trials
Rhodiola rosea100 mg200 mg50%
Selenium55 Β΅g55 Β΅g100%
Zinc15 mg8 mg188%
  • Capsules
  • Male Vitality
  • European Union
Check Availability β†’Read full review β†’

What these testosterone supplements are built on

Scores are easy to publish and impossible to check. So here is the same ranking from the other direction: the ingredients these 2 products are actually built on, and what the trials say about each one. Follow any of them to the evidence.

Ingredients with an established effective dose

These have a dose the research settled on, which means you can check a label against something. 2 of the 2 products below are built on two or more of them.

Ingredients we would not pay extra for

These turn up across the category without a settled effective dose behind them. That does not make them useless; it means a product should not cost more because it contains them.

  • Shilajit Extract Γ—1
  • D-Aspartic Acid Γ—1

Buying Guide

What to Look for in a Testosterone Booster

The testosterone booster market is filled with overpromising and underdosing. Separating evidence-backed ingredients from marketing filler requires understanding what the clinical literature actually supports.

Ingredients With Strong Clinical Evidence

  • Ashwagandha (KSM-66): 600 mg/day demonstrated a 17% increase in total testosterone and 167% increase in sperm count in a 2013 Fertility and Sterility RCT of infertile men. Healthy men in a 2015 JISSN study saw a 15% increase.
  • Tongkat Ali (Eurycoma longifolia): 200–400 mg of standardized root extract (1% eurycomanone) showed significant testosterone increases in a 2012 Journal of the International Society of Sports Nutrition study. Most effective in men with suboptimal levels.
  • D-Aspartic Acid (DAA): 2,000–3,000 mg/day elevated testosterone by 30–60% in untrained men over 12 days in a 2009 Reproductive Biology and Endocrinology study. Effects may plateau after 30 days.
  • Fenugreek (Testofen): 600 mg/day of standardized extract improved free testosterone and sexual function in a 2011 Phytotherapy Research RCT. Works partly by inhibiting aromatase.
  • Zinc: 30 mg/day corrects deficiency-related testosterone decline. Essential for men who exercise intensely (zinc loss via sweat). Zinc picolinate and zinc citrate have superior absorption over zinc oxide.

Forms and Dosing That Matter

Ashwagandha works best as KSM-66 (full-spectrum root extract) at 600 mg/day β€” avoid generic "ashwagandha powder" at lower doses. Tongkat Ali requires standardization to eurycomanone content; 200:1 concentration claims without standardization are meaningless. Zinc should be taken with food to prevent nausea.

What Does Not Work

  • Tribulus terrestris β€” a 2005 Journal of Ethnopharmacology review found no effect on testosterone in humans despite widespread use
  • DHEA at oral doses β€” most converts to estrogen, not testosterone; may trigger positive doping tests
  • Boron at <6 mg/day β€” insufficient dose; effective range is 6–10 mg/day

Our Methodology

Testosterone boosters are evaluated on: ingredient evidence (35%) β€” only ingredients with at least one peer-reviewed human trial are scored; dosage adequacy (25%) β€” we compare to doses used in positive studies; third-party testing (20%) β€” required for this category due to contamination risk; value (10%); user experience (10%). Products claiming "1000% testosterone increase" or using proprietary blends score lower on transparency.

Frequently Asked Questions

Guides on this topic

Goals and pathways connected to this category, buyers often compare across these.

Medical Disclaimer

The content on this page is for informational purposes only and is not intended as medical advice, diagnosis, or treatment. Always consult your physician or qualified healthcare provider before starting any new supplement regimen. Individual results may vary.