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Yams vs. Sweet Potatoes: Nutritional Showdown Unveiled

11/18/2025

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Summary

Story summary

Yams and sweet potatoes differ in nutrition and uses, with yams having a lower glycemic index.
Yams also have less sugar and more fiber than sweet potatoes.
Yams provide 670 mg of potassium per 100 grams, while sweet potatoes provide 475 mg.
Sweet potatoes give 106% DV vitamin A and 22% DV vitamin C.
True yams are rare in U.S. markets and are often mistaken for sweet potatoes.

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Story summary

Yams and sweet potatoes differ in nutrition and uses, with yams having a lower glycemic index.
Yams also have less sugar and more fiber than sweet potatoes.
Yams provide 670 mg of potassium per 100 grams, while sweet potatoes provide 475 mg.
Sweet potatoes give 106% DV vitamin A and 22% DV vitamin C.
True yams are rare in U.S. markets and are often mistaken for sweet potatoes.