We use only the highest quality ingredients available, including chelated minerals and amino acids. Our nutritionists select the most bioavailable nutrients on the market. We are proud to offer the highest-quality ingredients that have all been third party tested for potency and purity.Additionally, we do not use any binders, chemicals, fillers, or artificial flavorings in our supplements blends. Freshly manufactured at our FDA-registered, GMP-certified pharmaceutical facility, your custom formulated vitamins reflect the highest standards in terms of purity, activity, and absorption!