Non GMO The Enzyme Experts Most Advanced #1 Selling Enzyme Brand Muscle, Tissue and Joint Function Optimized Support for Sore Muscles and Joint Discomfort Contains Serrapeptase for Extra Support Dietary Supplement Vegan & Kosher K-Parve No Fillers Added Overexertion at the gym, at work or at play can lead to fatigued muscle and sore joints. Repair Gold contains Serrapeptase with Bromelain, Papain and additional enzymes known to support fatigued muscles and joints. The enzymes work synergistically with the body's own mechanisms of renewal and may support the body's natural response to overexertion and strenuous activities. The enzyme blend promotes joint comfort and healthy circulation to encourage accelerated muscle and tissue recovery. Thera-blend is an exclusive process that combines multiple strains of enzymes that work in specific pH levels, resulting in superior performance in the body.