Maca

Why it matters

Maca is a root vegetable from the high Andes, dried and ground into a nutty, butterscotch-flavoured powder that's been used for centuries as a food for stamina and fertility. It's the most interesting "functional food" on this list because the early evidence is genuinely encouraging for libido and energy — yet, importantly, maca doesn't appear to raise testosterone or estrogen. It works through other pathways, which makes it a rare option for people who want a desire-and-vitality boost without altering hormone levels themselves.

What's inside

Maca's effects are credited to unique compounds — macamides and glucosinolates — rather than to hormones, which is why blood levels of testosterone and estrogen stay unchanged in studies. As a food it also supplies vitamin C, copper, iron and fibre, plus plant protein. It's best understood as an adaptogen: a plant that seems to help the body cope with stress and fatigue, supporting energy and drive indirectly.

For men

Several small trials suggest maca can improve sexual desire in men, independent of testosterone — a useful distinction, since it means the benefit isn't a hormonal one to weigh against side effects. Some men also report steadier energy and exercise stamina. The honest framing: promising for libido and vitality, not a testosterone booster, and the studies are small.

For women

Maca is most studied — and most popular — among women, particularly in perimenopause and menopause, where small trials link it to fewer symptoms and better mood and libido. Because it doesn't add estrogen, it appeals to women who can't or prefer not to use hormonal approaches. The usual caution applies: many women feel a clear benefit, a minority feel worse (restlessness or digestive upset), so it's worth tuning in to your own response.

How to eat it

Start low — about ¼ to ½ teaspoon of powder daily — and build up to a teaspoon, since maca can feel stimulating at first. Stir it into smoothies, porridge, coffee or yogurt; the malty, butterscotch flavour suits sweet breakfasts. Gelatinised maca is easier to digest for some. Effects build over weeks of regular use rather than from a single dose.

Worth knowing

Quality and dose matter, and the evidence — while promising — still rests on small studies, so keep expectations measured. A minority of people feel worse rather than better, especially at higher doses. If you have a thyroid condition, note that raw maca contains goitrogens (cooked/gelatinised is gentler), and check with your doctor if you're on hormone-sensitive treatment. Start small and let your body guide the dose.

Bottom line

Maca is a nutritious Andean root with genuinely promising early evidence for libido, energy and menopausal comfort — and the rare distinction of doing it without changing your testosterone or estrogen levels.