Health · Fitness & Nutrition · 8 hrs ago
Keeping sweet potato skin adds fiber and other nutrients
A dietitian recommends keeping the skin on sweet potatoes when cooking them.
The skin contains fiber and some potassium, and the skin and the layer just beneath it contain antioxidant compounds.
A medium sweet potato has about 5 grams of fiber, much of it in the skin.
Fiber supports digestion and can help people feel full after eating, while the dietitian says eating the whole potato may also help keep blood sugar steadier.
The World Health Organization recommends at least 25 grams of naturally occurring dietary fiber a day for people over 10, so one sweet potato does not meet the daily need by itself.
Wash the potato under running water and scrub it before cooking or eating the skin.
The amount of nutrients can vary by variety and cooking method, and the advice does not replace a varied diet or individual medical guidance.
Keeping the skin on sweet potatoes when cooking can preserve fiber and other nutrients.
Registered dietitian Amy Shapiro said a medium sweet potato provides about 5 grams of fiber, much of it in the skin.
The skin and the area just beneath it also contain antioxidants, including chlorogenic acid, and some potassium.
The skin should be washed under running water and scrubbed before cooking.
Sweet potatoes can contribute to a varied diet but do not meet daily fiber needs on their own.
- Who
- Registered dietitian Amy Shapiro explained the nutritional value of eating sweet potatoes with the skin.
- What
- The article recommends keeping the skin on during cooking to retain fiber and other nutrients.
- When
- Infobae published the article on October 11, 2026.
- Where
- Not stated.
- Why
- The skin contains much of a sweet potato’s fiber, along with antioxidants and some potassium.
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- Fiber in a medium sweet potato
- About 5 grams
- WHO daily fiber recommendation
- At least 25 grams for people older than 10
- WHO fruit and vegetable recommendation
- At least 400 grams daily for people older than 10; sweet potatoes and other starchy roots are excluded
- Preparation
- Wash under running water and scrub the skin before cooking
- Antioxidant named
- Chlorogenic acid










