According to their website, Micro Ingredients searches around the world the highest quality products it has to give. Each ingredient comes with reports from USA test labs. Customers can request digital copies of these reports, free of charge. According to the Micro Ingredients website, their ingredients are free of fillers, additives, binders, preservatives, and artificial flavors or colors. Also included in the website, the ingredients are high concentration, pure, Non-GMO, and USDA Organic.