Natural Vanilla Flavor. Whey Protein Isolate from Biotics Research provides all the important benefits of the industry’s highest quality nutritive protein supplement as an easy to mix, great tasting, all natural powder. Whey Protein Isolate from Biotics Research is produced using a natural, ultra-low temperature micro filtration process. The result is a product providing an excellent amino acid profile, and supplying the full balance of biologically active proteins such as Lactoferrin (LF), Immunoglobulin (IgG) and Glycomacropeptides (GMP), which are damaged or “denatured” by more commonly used processes.