Prestige Labs supplements are created and packaged in a GMP-certified facility. Every batch is tested for purity at both the bulk and mixing stages to ensure we create the highest-quality supplements we can. Combined with the superior ingredients, Prestige Labs is the most expensive line ever produced at the facility. In a facility that’s never failed an inspection, we take great pride in that. Remarkable products are made by combining premium ingredients and the brightest minds in the world. Prestige Labs believes in quality without compromise. That’s a promise that can be found in every single one of our products.