Pure spirulina did not show any signs of toxicity when taken in the maximum dosage of 800 mg per each kilogram of the body weight.
Pure Spirulina is available in numerous forms, from powders and flakes to capsules and tablets. It is also commonly combined with green food supplements like barley or wheat grass. There have been no recommended daily dosages established for Spirulina, but reported uses ranges from 250 milligrams to 5 grams daily, taken in several doses. Spirulina has never been shown to have any serious side effects.
Spirulina Powder is quickly digested in your body. The color of pure Spirulina should be dark green or blue-green and contain no excess fillers, additives or colored specks. Organic or Natural powders and tablets are the best choices for consumers, since they offer the highest standards of quality and purity.