Whey protein is the liquid material that is left behind after the solids have been removed from cow’s milk. This is then dried into natural whey protein powder that has countless health benefits. Natural whey protein powder contains biologically-active proteins that provide all the key amino acids for glutathione production (cysteine, glycine and glutamate).
Other nutritional benefits of high-quality whey protein include:
Undenatured whey protein concentrates are preferable to whey protein isolates. Isolates are usually processed at higher temperatures; this allows greater protein yield, but you lose some valuable nutritional cofactors. Heat also destroys many of the biologically-active proteins that are extremely crucial to the manufacture of glutathione: immunoglobulins, lactoferrin, alpha-lactalbumin and glycomacropeptides.
Undenatured whey protein concentrates preserve these key immune-enhancing properties. Studies show that the natural undenatured state of the protein is essential to its anti-cancer and immune-stimulating activity.
The whey protein should be cold-processed (undenatured) and derived from grass-fed cows, free of hormones and chemicals. Cold-processed whey protects the nutrients in their natural state.
Make sure you're getting whey protein concentrate, NOT protein isolates. Protein isolates are proteins stripped away from their nutritional cofactors.
Your whey should be low glycemic, low carb and should not contain any artificial sweeteners, fructose, sugar or gluten.
Make sure that your whey protein powder is certified free of heavy metals like mercury, lead, cadmium, and arsenic.
Here are four of the best non-denatured whey protein products that I can recommend. Click on the links or graphic images to learn more about each product (descriptions supplied by manufacturers):
Vital Whey is a proprietary, non-denatured, native whey protein that is produced to maintain the full range of all the fragile immune-modulating and regenerative components naturally present in fresh raw milk.
The milk for this product is derived from cows that are grass-fed and graze year-round on natural pastures. Vital Whey does not contain genetically engineered materials. It's hormone-free, pesticide-free, chemical-free and undergoes minimal processing.
True Whey is a superior source of complete, biologically active, immunity-boosting protein. It's easy to mix and taste great.
Source Naturals Whey to Health is a Certified Organic, 100% natural, whey protein powder concentrate. Whey to Health is produced by ultrafiltration — a process that removes part of the lactose, soluble minerals and water from whole or skim milk resulting in a whey protein concentrate.
Protein concentrates have high biological value - they supply a high amount of the amino acids your body needs. Unlike many protein isolates, Whey to Health protein concentrate isn't exposed to extreme temperatures or changes in pH that might alter the activity of the proteins by processing.
Whey to Health supports your body's essential protein requirements with a unique profile of highly bioavailable proteins and immune factors, including branched chain amino acids (BCAA's), lactoferrin and immunoglobulins. Whey is one of the most easily digested forms of high quality protein.
Whey Factors is a combination of 100% natural whey protein powder concentrate and isolate. It's non-denatured and microfiltered pure whey that is low-temperature processed. Although not certified organic, the cows are grass-fed and free of rBGH, pesticides, and genetically modified organisms (GMO's).
Natural Factors Whey Factors comes in Double Chocolate, French Vanilla and Strawberry flavors, as well as unflavored.
All Natural Factors products are manufactured in accordance with the Government of Canada's Good Manufacturing Practices (GMP), among the highest standards in the world.
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