Grown in United States, so it's has not been radiated from being shipped into America. 
Spirulina is a fresh water algae chuck full of nutrients.  This product has nutritional properties which is comparable to the high priced multi
 level spirulina.  
Being good for gut health Spirulina can be helpful for weight loss.
500 mg. Contains Spirulina plus Chlorophyll, VIT: A, B1, B2, B12, Iron and Gamma Linolenic Acid.
Take 2 to 3 tablets, twice a day.