Also known as cyanobacteria, spirulina is a blue-green alga. It is rich in macronutrients such as protein, carbohydrates, vitamins, and minerals. It is low in fat and calories. It has a high concentration of zeaxanthin which reduces the risk of cataracts and age-related vision loss.
Spirulina is noted for its anti-inflammatory properties. It fights chronic inflammation which contributes to cancer and other diseases. Its antioxidants may reduce allergy symptoms. It also lowers cholesterol absorption making it beneficial to heart health.