Despite its name, the tiger nut is not a nut but a tuber. This sweet, almond‑like tuber crop has gained popularity as a health food. Known as ofio in Yoruba, aki in Hausa, imumu in Igbo, and aya in Hausa, tiger nuts can be eaten raw or cooked, extracted as milk for those who avoid dairy, or used in baking.
Tiger nuts offer several health benefits. First, they protect against aging because they are a rich source of antioxidants, which can prevent or slow cellular damage caused by free radicals—unstable molecules produced by the body in response to environmental stresses. Second, their high dietary fiber content improves digestion by increasing stool frequency and relieving constipation. Third, the fiber may help regulate blood sugar levels; animal studies suggest that tiger nut extract can reduce blood glucose by slowing sugar absorption in the gut.
In addition, tiger nuts act as a mild appetite suppressant, helping people feel fuller longer and reducing calorie intake. They may also boost the immune system: extracts have shown effectiveness against E. coli, Staphylococcus, and Salmonella, and could potentially combat antibiotic‑resistant bacterial infections, though more research is needed. Finally, tiger nuts have been linked to enhanced sexual health; they have been shown to improve sperm count and motility, and Dr. Gabriel Ogah, medical director and consultant urologist at Ogah Hospital and Urology Centre in Edo State, notes that they can increase sex drive and libido.
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