OstroVit Spirulina is a diet supplement in tablets containing spirulina extract. Spiruline is a blue-green algae that is called algae growing on lakes and other freshwater reservoirs. Spirulina was known and used in ancient times in folk medicine. It belongs to the group of superfoods because it has very large amounts of nutrients in its composition that positively affect our body. Produced by the Broken Cell Walls method (broken cell walls), which significantly increases the absorbability of the supplement.