Where Science Works Naturally Dietary Supplement High Soluble Naturally Fresh Nitro Pak Bacteria Free Environment Gluten Free Vegan NutriBiotic Ascorbic Acid with Bioflavonoids delivers 100% pharmaceutical grade vitamin C, an essential nutrient, and bioflavonoids from lemon in a highly soluble form. Since Vitamin is not produced by the body, it must be replenished. Vitamin C is often found in nature accompanied by bioflavonoids, a group of water-soluble plant pigments. Bioflavonoids work synergistically with vitamin C to help support the body's health.