Yam is higher in fiber and lower in sugars, sodium, and glycemic index, while sweet potato is lower in saturated fat.
Which is more healthy yam or sweet potato?
Sweet potatoes and yams are completely different vegetables. However, they're both nutritious, tasty and versatile additions to the diet. Sweet potatoes tend to be more readily available and are nutritionally superior to yams — albeit only slightly.
Are yams high in fiber?
Yams are not only an excellent source of fiber but also high in potassium and manganese, which are important for supporting bone health, growth, metabolism, and heart function ( 3 , 4 ). These tubers also provide decent amounts of other micronutrients, such as copper and vitamin C.