Ten questions about how often you eat the foods with the clearest evidence for supporting testosterone, and how often you eat the ones that work against it.
It scores dietary pattern, not any single meal. No food raises testosterone meaningfully on its own, and any site claiming otherwise is selling something.
Zinc. Genuinely required for testosterone production, and deficiency lowers it. Correcting a deficiency helps; supplementing beyond sufficiency does not. Oysters, red meat, pumpkin seeds and shellfish are the richest sources.
Vitamin D. Acts on receptors in the testes, and correcting deficiency modestly raises testosterone in deficient men. Oily fish is the main dietary source, though at UK latitudes sunlight and supplements matter more.
Adequate fat. Testosterone is synthesised from cholesterol. Very low fat diets have been shown to reduce testosterone, and this is one of the few dietary effects with consistent evidence behind it.
Adequate calories. Sustained under-eating suppresses testosterone, which is why aggressive dieting backfires.
Magnesium, from leafy greens, nuts and seeds, with some evidence in deficient individuals.
Alcohol, in quantity. Heavy intake suppresses production directly and disrupts the sleep where most of it happens.
Ultra-processed food, mainly through its effect on body composition and insulin resistance rather than any direct hormonal action.
Chronic under-eating or over-eating. Both directions cause problems, through different mechanisms.
Soy does not lower testosterone. Meta-analyses of controlled trials found no significant effect on testosterone or oestrogen in men at realistic intakes. This myth persists on the strength of one case report involving extreme consumption.
No single food raises testosterone significantly. Not celery, not pomegranate, not any of the foods marketed for it. Correcting a deficiency helps; adding a food to an already adequate diet does not.
Testosterone-boosting supplements largely do not work, and the evidence for most of them is poor.
Look at the largest gap rather than trying to change everything. For most men that is either adequate calories and fat, or alcohol.
Diet is one lever among several, and it is not the strongest. Sleep and body composition matter more, which is worth knowing before overhauling your shopping.
Related reading: Foods that support testosterone · Foods working against you · The truth about soy · The full food guide
Educational only, not medical advice.