Spirulina, also known as blue-green algae, is widely used to promote good daily health. But there's a lot of variation among products. Swanson Standardized Spirulina changes everything. The patented spirulina in this formula delivers 10% phycocyanin, one of the algae's most active components. This formula has the potential to support the immune system unlike any other spirulina supplement available.

• Blue-green algae supplement featuring standardized spirulina
• Delivers spirulina's most active components
• Higher potential to support the immune system than other spirulina supplements
• Vegetarian
• Per GMP guidelines set forth by the FDA, most products are formulated for 24 months from the date of manufacture. Liquids and probiotics are formulated for 12 months.