Whey protein powders featured in Prime Day sales

Various whey protein powder products are currently featured in Prime Day sales. Sports Research is offering a 5lb bag of Creamy Vanilla Whey Protein Isolate through Amazon, with pricing available for Prime members using Subscribe and Save options.

Promix Grass-Fed Whey Isolate is also on sale. The product provides 30 grams of protein per serving and uses ultrafiltered whey isolate to reduce lactose content. Available flavors include strawberry milk, chocolate, vanilla, cookies and cream, and an unflavored option.