XL Whey+ contains a great tasting blend of whey protein isolates and concentrates with one of the highest protein % on the market. Due to its high BCAA and glutamine content, whey protein has been shown to increase muscle growth especially when taken in conjunction with resistance exercise¹. Whey protein has also been shown to decrease hunger², making it a useful aid for anyone on a diet. This product also contains the prebiotic Fructooligosaccharide (FOS), FOS acts as a fuel source for intestinal bacteria to provide an optimal environment for growth. FOS have also been shown to increase calcium and magnesium absorption in the gut^3,4. Due to these benefits, whey protein should form a staple supplement amongst all exercise enthusiasts, from gym user to elite athlete.

1.Hulmi, J.J., Tannerstedt, J., Selanne, H., Kainulainen, H., Kovanen, V., Mero, A.A. (2009). Resistance exercise with whey protein ingestion affects mTOR signalling pathway and myostatin in men. J Appl Physiol, 106(5), 1720-9.

2. Hall, W.L., Millward, D.J., Long, S.J., & Morgan, L.M. (2003). Casein and whey exert different effects on plasma amino acid profiles, gastrointestinal hormone secretion and appetite. British Journal of Nutrition, 89(2), 239-248.

3. van den Heuvel, E., et al. (1999). Oligofructose stimulates calcium absorption in adolescents. American Journal of Clinical Nutrition, 69, 544-548.

4.. Ohta, A., Baba, S., Ohtsuki, M., Taguchi, A., & Adachi, T. (1996). Prevention of coprophagy modifies magnesium absorption in rats fed with fructo-oligosaccharides. British Journal of Nutrition, 75, 775-784.