Sweet Potato Sweet potatoes are one of the best sources of beta-carotene (beta-carotene is converted to vitamin A in the body) 1 large sweet potato contains over 100% of the RDA for vitamin A Great source of fiber and potassium 1 medium sweet potato provides 6 grams of fiber and 542 mg of potassium Low on the glycemic index scale, which helps lower blood sugar levels 1 medium sweet potato contains 100 calories Butternut Squash Excellent source of potassium 82 mg per cup (more than a banana!)
