Earthrise Spirulina Gold Plus is a proprietary and advanced form of Spirulina for brain and heart health.* It is produced using a special process resulting in high levels of zinc and vitamin C - carotenoids and the natural blue protein phycocyanin for enhanced antioxidant and immune protection.* It protects the brain and heart against oxidative damage.* Key Features Clinically tested High in zinc Rich in antioxidants such as carotenoids Rich in natural vitamin C and phytonutrients such as phycocyanin Pesticide and herbicide free No gluten Benefits Protects the brain and heart against oxidative damage* Supports a healthy immune system