Mettle Raw Isolate 90%: Whey protein promotes muscle growth, counteracts muscle breakdown, and supports your workout recovery. It is the most important weapon in your muscle-building arsenal. Our pro whey gold protein is one powerful blend. It’s perfect first thing in the morning, between meals, and especially after your workout. Whey protein speeds up recovery after an intense workout and helps in Building Lean Muscles. It comes with the goodness of ultra-pure isolated whey proteins with less fat and impurities for superior quality and best results.