Why does algae valley add spirulina?

Spirulina is a rare algae with a life history of 3.5 billion years, and it is also a natural food.

Spirulina is the most abundant and comprehensive organism in nature. Spirulina is rich in high-quality protein, γ -linolenic acid fatty acids, carotenoids, vitamins and trace elements such as iron, iodine, selenium and zinc.