Fenugreek

Why it matters

Fenugreek is a culinary seed — central to Indian cooking — that doubles as one of the better-evidenced "functional" foods on this list. Its compounds (furostanolic saponins) appear to influence sex hormones, and human trials have fairly consistently shown improvements in libido and sexual function in both men and women, with some studies of standardised extracts also reporting gains in testosterone and strength in men. The results are moderate and the strongest effects come from concentrated extracts rather than a pinch in a curry — but as a food with genuine human evidence for desire and drive, fenugreek genuinely earns its place.

What's inside

The active compounds are furostanolic saponins, which appear to influence testosterone and estradiol and underpin the libido findings. Fenugreek seeds are also a good source of fibre (which steadies blood sugar — itself relevant to hormones), iron and protein. Much of the strongest research uses standardised extracts that concentrate the saponins well beyond culinary amounts.

For men

For men, the human evidence is genuinely interesting: standardised fenugreek extracts have improved libido and sexual satisfaction across multiple trials, with some studies also showing increases in testosterone and strength when combined with resistance training. The picture isn't unanimous, so it's a moderate, promising effect rather than a certainty — strongest at extract doses, with culinary use a gentler contributor.

For women

For women, fenugreek is one of the few foods with human trial evidence for female libido — studies link standardised extracts to improved desire, arousal and satisfaction, partly by supporting healthy estradiol and free testosterone, both important to female sexual response. It's also traditionally used to support milk production in breastfeeding. A rare food-based option with real evidence for women's sexual wellbeing.

How to eat it

In cooking, toast and grind the seeds into curries, dals and spice blends, or steep them as a tea (they have a maple-like, slightly bitter flavour). The fibre means soaking the seeds also makes a soothing digestive drink. For the libido and strength effects seen in studies, a standardised extract delivers the researched dose — but culinary use is a pleasant, low-key way to include it regularly.

Worth knowing

Fenugreek is safe in food amounts. In larger doses it can cause digestive upset and a distinctive maple-syrup body odour, may lower blood sugar (relevant if you're diabetic or on glucose-lowering medication), and has mild hormonal activity — so those who are pregnant or on hormone-sensitive treatment should check with a doctor before using concentrated extracts. As a culinary spice, it's both safe and useful.

Bottom line

Fenugreek is one of the few foods with real human evidence for boosting libido in both men and women — plus some support for testosterone and strength — making it a genuinely promising, if moderate, addition.