Garlic

Why it matters

Garlic is one of the most studied foods in all of nutrition, mostly for heart and immune health — but it has an interesting hormone angle too. Animal studies have found that garlic can increase testosterone and reduce cortisol, the stress hormone that works against it, apparently by improving how the body uses protein and by lowering oxidative stress. The human evidence is more limited, so the honest framing is "promising, mostly from animal research." Even setting hormones aside, garlic's sulphur compounds make it a genuinely health-supporting food — and it makes everything else on this list taste better.

What's inside

The active compound is allicin (and related sulphur compounds), formed when garlic is crushed or chopped — responsible for most of its biological effects, including the testosterone-and-cortisol findings in animal studies. Garlic also contains selenium (good for reproductive and thyroid health), vitamin B6 (involved in hormone regulation), and a range of antioxidants that lower inflammation. The allicin is fragile, which is why how you prepare garlic matters.

For men

For men, the animal evidence is genuinely interesting: garlic raised testosterone and lowered cortisol in those studies, a favourable combination since chronic cortisol suppresses testosterone. Whether the effect translates fully to humans is unproven, so it's a promising support rather than a certainty. The selenium and antioxidants add reproductive protection, and garlic's heart and circulation benefits indirectly support sexual health.

For women

For women, garlic's main contributions are its antioxidant, anti-inflammatory and immune-supporting effects, plus the cardiovascular benefits that matter increasingly with age. By helping moderate cortisol and oxidative stress, it supports the calmer internal environment in which hormones function well. It's a flavour-and-health multiplier rather than a targeted female-hormone food — but a worthwhile everyday one.

How to eat it

Preparation is key: crush or chop garlic and let it rest for about 10 minutes before cooking — this lets the allicin fully form and makes it more heat-stable. Raw garlic (in dressings, dips) delivers the most allicin; light cooking retains much of it; prolonged high heat destroys it. A clove or two daily is a realistic, beneficial amount, woven through everyday cooking.

Worth knowing

Garlic can cause digestive upset and, of course, breath and body odour in larger raw amounts. It has a mild blood-thinning effect, so very high intakes are worth mentioning to your doctor if you're on anticoagulants or facing surgery. For nearly everyone, culinary amounts are entirely safe and genuinely beneficial.

Bottom line

Garlic pairs promising (if mostly animal-based) testosterone-and-cortisol benefits with proven heart and immune support — and crushed, rested and added generously, it makes the whole hormone-friendly diet taste better.