
Fonio is also known to be rich in iron, calcium, magnesium, zinc, and manganese. It’s also very high in fiber and has a low glycemic index.Juka’s Organic Fonio Is Great Substitute for Vegan Protein. It Also Has Very Low Glycemic Index Which Makes It a Great Substitute for Rice or Any Grains for Diabetic Diet. Traditionally in Africa, many people that suffer from diabetes eat Fonio instead of rice as a healthier substitute.