Canadian Brand. Noah's Ark human grade spirulina powder is a nutrient-dense superfood packed with protein, antioxidants, vitamins, minerals, and essential amino acids to help support immune health, energy, skin & coat condition, and overall wellness in dogs and cats. This blue-green algae is naturally rich in iron, B vitamins, chlorophyll, and phytonutrients that may help support detoxification and daily vitality. Easy to sprinkle over meals, spirulina is a simple way to add functional nutrition to your pet’s diet using clean, high-quality ingredients.