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High Blood Pressure
As we age there is a loss of arterial elasticity, which is a cause of high blood pressure. Another major cause of hypertension is an enzyme secreted by the kidneys called angiotension-converting enzyme (ACE). Angiotension-converting enzyme (ACE) has been classically associated with the renin-angiotension system, which regulates peripheral blood pressure. People with high blood pressure are often prescribed drugs such as Zestril, Capoten and Vasotec, referred to as "angiotension-converting enzyme inhibitors" or ACE inhibitors for short. By blocking the effects of ACE, blood pressure can be brought under control in the majority of people with hypertension.
Whey peptides, known as Lactokinins, were recently shown to be mild ACE inhibitors in vitro.[3] While they do not have the inhibitory potency of the drugs mentioned above used in the treatment of hypertension, the researchers concluded, "…these naturally occurring peptides may represent nutraceutical/functional food ingredients for the prevention/treatment of high blood pressure." Clearly more research is needed, but if confirmed by future research, this could be yet another use for whey proteins.
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Adding whey protein to the diet is a great way to jump-start a weight loss program. Whey protein is a key ingredient in numerous weight loss and meal replacement products and whey protein isolate (with no fat or carbohydrates) is often the preferred choice. Studies have found that individuals who combine diets with leucine rich protein foods, like whey protein, and exercise have more lean muscle tissue and they lose more body fat. As they lose fat their metabolic rate increases and they naturally burn more calories each day. Another way that whey protein helps manage weight is by promoting satiety, or a feeling of fullness. One recent study showed that whey protein was superior to casein, the other protein in cow's milk, in promoting satiety.
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