Dolichos, turtle beans, the black bean, are a type of legume mostly referred to as *Njahi*.

The black bean or njahi is a very nutritionally rich food. It is high in protein, folate ,iron, vitamin B6, calcium, magnesium and phosphorus.

It is good for pregnant mothers and nursing mothers to strengthen bones and for milk production. It is good for managing diabetics, lower blood pressure, maintain healthy bones, weight loss, dieting. They are known to cause gas to some people.

Njahi takes long to cook, so one needs to be patient or soak them before cooking.