Paul Saladino· MD
if you couple a high fiber diet with a low-fat diet you're probably going to decrease your serum testosterone in men and in women you could also affect your testosterone and your estrogen
The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
if you couple a high fiber diet with a low-fat diet you're probably going to decrease your serum testosterone in men and in women you could also affect your testosterone and your estrogen
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they found that the testosterone was reduced total testosterone was reduced
they found that the concentrations were significantly higher 13 and 15 percent higher respectively on the high fat low fiber diet which you can see here and the difference from the low fat high fiber diet was significant for the shbg bound fraction of testosterone that is the sex hormone binding globulin pound fraction for the testosterone
from this study which was a crossover study 10 weeks 43 healthy men of ages 19 to 56 they found that a low fiber higher fat higher saturated fat lower polyunsaturated fat resulted in better hormonal profiles better testosterone profiles and actually apparently more favorable estrogenic profiles in men