THE "S" WORD IS NEVER USED TO DESCRIBE OUR NUTRIENTS.Here at Optimal, we refuse to use the term "supplements" to describe what we make. Our products simply don't fit alongside an industry hijacked by protein powders, pre-workout formulas, fiber powders, and other macro-nutritional supplements. But we don't need to fit in. Instead, Optimal Nutrients were designed to stand out... as mirconutrients. We focus on vitamins and minerals from the most bioavailable sources on the planet.We believe full transparency is not optional. It's optimal. That's why you'll find every single ingredient listed and explained on our website. No secrets. Have any questions, comments or concerns? We are easy to get ahold of, and we hope you'll reach out!