Some of its constituents include beta-lactoglobulin and alpha-lactalbumin. These substances are rapidly and easily digested in comparison, especially as compared to the other milk protein, casein. Whey protein is a great source of branched chain amino acids for muscle integrity and as precursors for glutathione production. In fact it is one of the best ways to naturally boost glutathione, which plays a critical role in the liver’s ability to detoxify.

Anyone supplementing with whey protein powder should ensure that the product they choose is tested and guaranteed free from heavy metals and other contaminants. Consumer Reports reported in July 2010 that certain popular whey protein supplements were found to have worrisome levels of lead, cadmium, mercury, and arsenic.

In addition to worrying about contaminants, one should also be wary of the fact that many commercially produced whey protein powders contain unhealthy artificial sweeteners, artificial colors, and other additives. Furthermore, the cows from which the whey protein is processed should ideally be healthy, grass-fed, and not administered hormones or unnecessary medications. Grass-fed cows produce whey that is of higher quality and nutritionally superior to dairy products from grain-fed, conventionally farmed cows.

Available in chocolate and vanilla, and mixes easily for smoothies or shakes.

It also includes Fibersol-2 to promote regularity. This product is excellent for athletes and body builders, as well as being a helpful addition in low-calorie diets. Whey protein helps build people back up after debilitating diseases, both in terms of boosting caloric intake and immune system support.

This supplement is low carb, so it could be appropriate even for people with diabetes or insulin resistance. People have had fantastic results using it as a breakfast smoothie, meal or snack anytime.