Yams are a type of tuber vegetable .They’re often mistaken for sweet potatoes. Yams are a good source of vitamin C which is vital in fighting infections such as colds and flu and quick wound healing.It is also help in anti-aging, strong bones, and healthy immune function. It also provides good amounts of fibre, potassium, manganese, and metabolic B vitamins.Yam is listed as a low glycemic index food for people with diabetes because it is slowly digested without causing any unnecessary fluctuations in the blood sugar levels.