Yes - we regularly conduct third party testing on our products. All of our products are manufactured in NSF-certified cGMP facilities, the highest standard for supplement manufacturing. Each raw material is checked for safety and potency. Every Gainful supplement is third party tested for heavy metals and microbial contamination to ensure food safety. Our products also undergo rotational nutrient, contaminant, and adulterant testing to ensure potency, purity, and safety of ingredients, bringing you only high-quality products and peace of mind with every scoop.