Spirulina is often deemed the most nutritionally complete of all food supplements, containing a rich supply of nutrients including protein, iron, complex carbs & vitamins A, K, & B complex & is the highest source of B12, essential for nerves & tissue. Reduces allergic reactions from radiation sickness & is rich in GLA, (found in breast milk). It increases stamina & immunity levels in athletes, & its high protein helps build muscle mass. It is the richest beta carotene food. #tagforlikes..