and now, an interest in spirulina for dogs has sparked. yes, spirulina can be safe to give your dog if you purchase it from a reputable manufacturer and use it according to the label. in humans, spirulina has been studied as an immune system stimulator, antihistamine, antioxidant, and pain reliever (4, 5, 6). spirulina comes in many forms, including powders, tablets, capsules, and mixed with other ingredients as a supplement or treat.

these treats usually …