Not surprisingly, vegans and vegetarians have much lower testosterone levels than meat eaters (16, 17, 18, 19). Bottom line: Vegans are deficient in many important nutrients, including Vitamin B12 and Creatine. Studies show that vegans have much lower testosterone levels than their meat-eating counterparts.
Do vegans have higher testosterone?
'Enhanced testosterone levels'
A British Journal of Cancer study, which tested 696 men (233 of whom were vegans) reported: “Vegans had 13% higher T [testosterone] concentration than meat-eaters and 8% higher than vegetarians.”
Does vegan diet decrease testosterone?
Observational studies between men from different dietary groups have shown that a vegan diet is associated with small but significant increases in sex-hormone-binding globulin and testosterone concentrations in comparison with meat-eaters.