If you’re searching for whey protein concentrate or whey protein isolate of  outstanding quality and maximum bioactivity, then you’ve found the right place! Build muscle, burn fat, gain strength, improve bulk, get healthy and stay fit with whey protein powders by Protein Authority.

Protein Authority proudly source the finest quality whey protein powders available, direct from world-leading producers in Australia and USA. Premium WPC and WPI products with excellent nutritional profiles, all specifications available, to promote better health and muscle-building results.

Based in Melbourne, Protein Authority deliver to every postal address in Australia, for a flat low fee. Therefore, you can save on shipping when you buy in bulk.