It is trendy for biohackers to adopt a low carb diet choosing to fuel themselves on ketones rather than glucose. Testosterone levels can take a hit during long term carbohydrate restriction or fasting. I start to suspect something is up if I haven’t felt a need to shave in the last three days. The longevity forum has a good thread discussing natural ways to stabilize, recover and increase testosterone with linked studies.
deficiencies in other minerals may affect T levels
vitamin d2 (irradiated mushrooms)
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