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Dietary supplements · Supplements by theme · Hormones

6 entries

Hormones

Sorted from the strongest evidence to the most limited.

  • FenugreekStrong
    A seed sold in bodybuilding for testosterone. This is precisely its least well-documented use: its best studies concern blood glucose and cholesterol.
  • IodineStrong
    An essential trace element for the production of thyroid hormones. Supplementation serves to correct a deficiency: without a deficiency, studies find nothing for it to add.
  • MacaStrong
    A root from the high plateaus of Peru. It indeed improves sexual desire in several trials — but without affecting testosterone, contrary to what its marketing suggests.
  • Myo-inositolStrong
    A molecule similar to sugars, found in food. Almost all research into it focuses on women’s health: gestational diabetes, polycystic ovary syndrome and IVF.
  • SeleniumStrong
    A thyroid trace element. Large trials have buried its anti-cancer promise, and show that at high doses it does more harm than good.
  • Tribulus terrestrisModerate
    Sold as a testosterone booster in bodybuilding, but several trials in young men or trained athletes show no increase in testosterone or strength gains. Other literature on sexual function in men and women tells a different story.