Best Seller | Live Phyto CRIT Pouch, 16.9 oz. Nutramar Live Microalgae Phyto CRIT is a blend of our most popular microalgae and is specially formulated to provide the broadest range in cell size and content of omega-3s, proteins, vitamins, and other phytonutrients. ... more Live Phyto CRIT Pouch, 16.9 oz. Nutramar Live Microalgae Phyto CRIT is a blend of our most popular microalgae and is specially formulated to provide the broadest range in cell size and content of omega-3s, proteins, vitamins, and other phytonutrients. Petco.com | | $18.53 go to store |