As a food, red amaranth does not have efficacy or contraindications for people. Every 100 grams of red amaranth contains 2.8 grams of protein, 1.8 grams of crude fiber, 5.9 grams of carbohydrates, 0.4 grams of fat and other ingredients, which can replenish the body with energy and nutrients needed for daily activities. Besides, red amaranth is also rich in minerals, vitamins, amino acids and other nutrients, including potassium, calcium, chlorine, vitamin A, vitamin K, leucine, valine, phenylalanine, etc. The consumption of red amaranth can replenish the above nutrients for the human body. However, as a food, red amaranth only has certain nutritional value and does not have the efficacy and contraindications of people. In addition, red amaranth should be consumed in moderation, to avoid excessive consumption, indigestion and other uncomfortable symptoms.