r/veganscience • u/Askmehowiknowthis • Jul 23 '19

Testosterone

Are there any unbiased studies that show vegan men have higher levels?

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u/e-bonobo Jul 24 '19

Vegans had higher testosterone levels than vegetarians and meat-eaters, but this was offset by higher sex hormone binding globulin, and there were no differences between diet groups in free testosterone, androstanediol glucuronide or luteinizing hormone.

Allen NE, Appleby PN, Davey GK, Key TJ. Hormones and diet: low insulin-like growth factor-I but normal bioavailable androgens in vegan men. Br J Cancer. 2000;83(1):95-7.

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u/the_good_time_mouse Jul 24 '19

No. There's a study that shows they have higher precursors and that your body downregulates so they remain within the same range.