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How much protein is in kale?

1 cup chopped (21 g) of kale has 0.6 g of protein and 7 calories: about 8.3 g of protein per 100 calories, which is high.

At a glance

  • 0.6 g protein and 7 calories per 1 cup chopped (21 g).
  • 8.3 g protein per 100 calories: #173 of 536 foods in our USDA list, #14 of 89 in vegetables.
  • 0.9 g fiber and 11 mg sodium per serving.

What is kale like to eat?

Kale is a hearty leafy green with a slightly bitter flavor. It can be massaged into salads, baked into chips or simmered into soups and stews.

How can you eat more kale?

Try this

Massage with lemon and olive oil for a saladBake into kale chipsStir into soup or beansBlend into a smoothie

Is kale good on a GLP-1?

Raw kale is tough, so cooked kale in a soup is softer and easier to eat. Protein density matters more when your appetite is small: see protein on a GLP-1.

How does kale compare?

FoodServingProteinCaloriesProtein per 100 kcal
Kale1 cup chopped0.6 g78.3 g
Spinach1 cup0.9 g713.2 g
Broccoli1 cup chopped3.7 g556.9 g
Kidney beans1 cup15.4 g2256.9 g

Close to kale per calorie: plain yogurt (8.4 g), ricotta cheese (8.3 g), eggs (8.1 g), beef jerky (8.1 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?

Remove the tough stems before cooking, and bagged chopped kale saves time.

What's the full nutrition for kale?

NutrientPer 1 cup chopped (21 g)Per 100 g% Daily Value
Calories735
Protein0.6 g2.9 g1%
Fat0.3 g1.5 g
Saturated fatNot listedNot listed
Carbohydrate0.9 g4.4 g
Fiber0.9 g4.1 g3%
Sugar0.2 g0.8 g
Sodium11 mg53 mg0%
Calcium53 mg254 mg4%
Iron0.3 mg1.6 mg2%
Vitamin B12Not listedNot listed
Vitamin DNot listedNot listed

USDA FoodData Central, Foundation: "Kale, raw". % 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 (Foundation): Kale, raw
  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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