Does broccoli have protein?

An 8-ounce serving of chopped and cooked broccoli contains 3.71 grams of protein, which is equal to 7 percent of the daily recommended value of protein, notes The World's Healthiest Foods. Broccoli is also a good source of vitamin C, vitamin K, fiber, chromium and folate.

Broccoli is a good source of omega-3 fatty acids, zinc, calcium, iron, selenium and niacin. This nutritious vegetable also contains glucosinolates phytonutrients, which provide broccoli with cancer preventive properties, reports The World's Healthiest Foods. Broccoli is high in antioxidants and is believed to contain nutrients that aid the body in detoxification. Studies show that consuming as little as 4 ounces of broccoli a day can help promote healthy cell development and prevent cancerous growths.