Product Details Considered a superfood, spirulina blue-green algae is packed with nutrients Boosts antioxidant activity Supports toxin removal Supports cardiovascular health This blue-green algae is a tremendous whole food, featuring the antioxidant support of beta-carotene and phycocyanin, a free radical fighting antioxidant. Swanson Spirulina delivers 500 mg of this nutrient-rich green food in a single-tablet serving. Spirulina also has protein, amino acids, minerals including iron, B vitamins and cleansing chlorophyll. Serving Information Serving Size: 1 tablet 500 mg per serving 180 servings per container Supplement Facts Serving Size 1 Tablet Amount Per Serving % Daily Value Spirulina (Arthrospira platensis) (microalgae) 500 mg * *Daily Value not established. Other ingredients: Microcrystalline cellulose (plant fiber), croscarmellose sodium, stearic acid, magnesium stearate, calcium carbonate, silica, hydroxypropyl methylcellulose, clear coating. Suggested Use: As a dietary supplement, take one tablet three times per day with water, preferably on an empty stomach. WARNING: For adults only. Consult your physician before using this or any product if you are pregnant or nursing, taking medication or have a medical condition. Keep out of reach of children. Do not use if seal is broken. Store in a cool, dry place.