Long time consumers suggest 2-5 grams daily for significant health benefits. This is about a teaspoon of powder. Because spirulina is a whole food, you can take it alone or with meals. Mix spirulina powder with some fruit juice, a smoothie or vegetable juice.
According to some sources spirulina might: Strengthen the immune system, Support cardiovascular function and healthy cholesterol, Improve gastrointestinal and digestive health, Enhance natural cleansing and detoxification, Improve a healthy skin.