Wheatgrass is a nutritious food that is very high in fiber. It supplies plenty of vitamins and minerals such as vitamin K and iron. Wheatgrass is almost entirely made of carbs with minimal protein and no fat.

Wheatgrass Nutrition Facts

One tablespoon of wheatgrass powder (8g) provides 25 calories, 1g of protein, 6g of carbohydrates, and 0g of fat. Wheatgrass is an excellent source of vitamin E, fiber, and vitamin K. The following nutritional information is provided by the USDA.1

• Calories: 25
• Fat: 0g
• Sodium: 0mg
• Carbs: 6g
• Fiber: 4g
• Sugar: 0g
• Protein: 1g
• Vitamin K: 86mcg

Carbs

While wheatgrass is mostly composed of carbohydrates, it has no sugar and a good proportion of fiber (4 grams per tablespoon of wheatgrass powder). As a result, its glycemic index is very low.

Protein

Wheatgrass has a small amount of protein, but not enough to make it a good source of this important macronutrient.

Fats

There is no fat in wheatgrass.

Vitamins and Minerals

Wheatgrass contains vitamins E, C, and K, along with beta carotene and B vitamins. Minerals in wheatgrass include iron, calcium, phosphorus,magnesium,zinc, and copper.2

While wheatgrass is touted as a nutritional "superfood," other leafy green vegetables, such as spinach, contain more of many of these nutrients. Spinach is a better source of vitamin C, iron, potassium, and calcium than wheatgrass.

Calories

One tablespoon of wheatgrass powder (8g) provides 25 calories. These come almost entirely from carbs, but 4 out of 6 total carbohydrate grams is from fiber which is indigestible.