The manly man hormone, testosterone is the most well known androgen that mediates androgenic processes such as muscle building, fat loss, some aspects of Cognition and hair loss in some persons; important in puberty, it is sought after for its muscle building potential in men.

This page features 156 unique references to scientific papers.

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The Human Effect Matrix looks at human studies (excluding animal/petri-dish studies) to tell you what supplements affect Testosterone
Grade Level of Evidence
A Robust research conducted with repeated double blind clinical trials
B Multiple studies where at least two are double-blind and placebo controlled
C Single double blind study or multiple cohort studies
D Uncontrolled or observational studies only
Level of Evidence
Magnitude of Effect Size
Scientific Consensus Comments
A Dehydroepiandrosterone
Comparative Health Goals evidence only available to buyers of our Supplement-Goals Reference

All information is still available and viewable on their respective supplement page.
B Alcohol
B Caffeine
B Creatine
B Zinc
B Colostrum
B Fenugreek
B Maca
B Red Clover Extract
B Tribulus terrestris
B Velvet Antler
C Ashwagandha
C Coenzyme Q10
C Coleus forskohlii
C D-Aspartic Acid
C Licorice
C Mucuna pruriens
C Panax ginseng
C Royal Jelly
C Shilajit
C Vitamin D
C 7-Keto DHEA
C Alanylglutamine
C Arachidonic acid
C Arginine
C Astaxanthin
C Beta-Alanine
C Chromium
C Chrysin
C Ecdysteroids
C Eurycoma Longifolia Jack
C Fish Oil
C Gamma Oryzanol
C Ganoderma lucidum
C Garcinia cambogia
C Glutamine
C Green Tea Catechins
C L-Carnitine
C Magnesium
C Nicotine
C Phosphatidylserine
C Saffron
C Saw Palmetto
C Stinging Nettle
D Boron
D Ginger
D Calcium
D Grape Seed Extract
D Punicalagins
D Rubus coreanus
D Yohimbine


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