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How much protein is in sweet potato?

1 medium (114 g) of sweet potato has 2.3 g of protein and 103 calories: about 2.2 g of protein per 100 calories, which is low.

At a glance

  • 2.3 g protein and 103 calories per 1 medium (114 g).
  • 2.2 g protein per 100 calories: #427 of 536 foods in our USDA list, #78 of 89 in vegetables.
  • 3.8 g fiber and 41 mg sodium per serving.

What is sweet potato like to eat?

Sweet potatoes are orange root vegetables with natural sweetness. They can be baked whole, roasted in cubes or mashed, and they pair well with beans, chicken and eggs.

How can you eat more sweet potato?

Try this

Bake and stuff with black beans and salsaRoast in cubes for grain bowlsMash with a little cinnamonAdd to a breakfast hash with eggs

Is sweet potato good on a GLP-1?

Baked sweet potato is soft and smooth, so a few spoonfuls can be easy on low-appetite days. Protein density matters more when your appetite is small: see protein on a GLP-1.

How does sweet potato compare?

FoodServingProteinCaloriesProtein per 100 kcal
Sweet potato1 medium2.3 g1032.2 g
Potato1 medium4.5 g1642.7 g
Black beans1/2 cup5.9 g986 g
Chicken thigh3 oz21.1 g15213.9 g

Close to sweet potato per calorie: walnuts (2.2 g), brown rice (2.2 g), white rice (2.1 g).

Compare more foods with the protein finder, or see protein in every food we cover.

What should you look for when you buy it?

Choose firm sweet potatoes without soft spots, and store them in a cool, dry place.

What's the full nutrition for sweet potato?

NutrientPer 1 medium (114 g)Per 100 g% Daily Value
Calories10390
Protein2.3 g2 g5%
Fat0.1 g0.1 g
Saturated fat0.1 g0.1 g1%
Carbohydrate23.6 g20.7 g
Fiber3.8 g3.3 g14%
Sugar7.4 g6.5 g
Sodium41 mg36 mg2%
Calcium43 mg38 mg3%
Iron0.8 mg0.69 mg4%
Vitamin B120 mcg0 mcg0%
Vitamin D0 mcg0 mcg0%

USDA FoodData Central, SR Legacy: "Sweet potato, cooked, baked in skin, flesh, without salt". % Daily Value uses the FDA's values for adults (protein 50 g, fiber 28 g, sodium 2,300 mg). "Not listed" means USDA didn't measure it for this food, not that it's zero. Brands differ, so check your label.

General education about food, not medical advice. If you have kidney disease or another condition that affects protein, talk to your doctor or a registered dietitian about your own needs.
Sources (3)
  1. USDA FoodData Central (SR Legacy): Sweet potato, cooked, baked in skin, flesh, without salt
  2. FDA: How to understand and use the Nutrition Facts label
  3. Mozaffarian et al. Nutritional priorities to support GLP-1 therapy for obesity: a joint advisory (ACLM, ASN, OMA, TOS). Obesity Pillars, 2025

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