Facts About Pure Whey Protein
- Whey protein is a fantastic source of protein for women.
- It is derived from cow’s milk, which is made up of 80% casein and 20% whey.
- When milk is being turned into cheese, whey is the by-product. The purest form of whey is whey protein isolate, which contains little to no fat, carbohydrates or cholesterol.
- The molecular structure of whey protein is most similar to our own human protein structure and is therefore more efficiently absorbed by our bodies, as opposed to a plant-based protein like soy protein.
- Whey protein is very easy to digest and provides rapid nourishment for the muscles.
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The composition of whey protein can vary from product to product depending on factors such as the source and type of production. That is why it is important to know the facts about pure whey protein. The most common whey protein supplements come in a powder form or a ready-to-drink protein bottle or shake. When you review the fact about pure whey protein, there are three main types of whey protein supplements:
- Whey protein isolate (the most pure form)
- Whey protein concentrate (slightly higher fat and lactose – not as pure or filtered as isolate)
- Whey protein blend (a mixture of isolate and concentrate)
Whey protein is considered a “complete protein” in that it contains ALL of the essential amino acids women’s bodies need and use every day. The PDCAA (Protein Digestibility Corrected Amino Acid) score measures how complete a protein is. A score of 1.0 is the highest measure, and whey protein scores 1.0 on this scale, even though the actual number is 1.14. Whey protein also scores 100 on the Biological Value (BV) scale, which measure the amount of protein retained from the absorbed protein, once ingested in the body. One of the most incredible facts about pure whey protein is that whey protein has the HIGHEST BV value of ANY other type of protein.
Consider more fact about pure whey protein: Whey protein is naturally rich in Branch Chain Amino Acids (BCAA’s). In fact, it contains the highest levels of any other natural food source. Research has shown that athletes need twice the recommended daily allowance of protein, and whey protein has long been the preferred protein supplement for athletes. The BCAA’s in whey protein are metabolized directly into muscle tissue and are the first ones used when the body is exerting. BCAA’s also replenish, rebuild and repair muscle tissue.
Whey protein is also rich in an amino acid called Leucine which plays an important role in muscle growth and promoting muscle protein synthesis. Studies have shown that those with diets high in Leucine who exercise have more lean muscle and less body fat compared to those with diets that contain lower Leucine levels. Studies show Leucine improves overall body composition. There is more Leucine in whey protein supplements than in milk protein, soy or egg protein.
There are many facts about pure whey protein that impress, but one of the most impressive is whey protein’s benefit to the immune system. Studies have shown supplementing with whey protein helps to maintain a healthy immune system by increasing levels of Glutathione in the body, an anti-oxidant required for a healthy immune system.
Whey protein supplements can be an effective tool in weight management. The body requires more energy to digest protein than any other type of food; therefore you burn more calories eating protein. This is one of the incredible facts about pure whey protein! This is commonly called the “thermic effect”. Another one of the interesting facts about pure whey protein is it’s ability to helps stabilize blood glucose levels, which lowers insulin levels. This can help reduce hunger and slows the absorption of glucose into the bloodstream.
A common misconception is that high protein intake can cause kidney problems, but there is no scientific evidence to support that. In various studies, animals with high protein intakes over a long period showed no kidney damage. High protein intake may be hazardous only for individuals with kidney disease or abnormal kidney function. For the disease-free individual, the most serious concern with high protein intake is dehydration, since it takes a lot of water to metabolize protein. This can be avoided by drinking a lot of water every day. A new study just looked at the effects of a high protein intake on markers of safety in 20 healthy resistance-trained males. The subjects were taking 1.3 grams of protein per pound of bodyweight 3.6 times greater amount than that recommended by the RDI. After 28 days the researchers concluded that the daily high protein intake had no untoward or negative effects on the immune system, renal and hepatic function nor did it induce ketosis or dehydration, thus it appears safe for short term daily intake
Whey protein contains two bioactive components that help stimulate the release of two hormones that act as appetite suppressants: glucagon-like peptide-1 (GLP-1) and cholecystokinin (CCK). Studies show whey protein has more significant impact on feeling satiated than even casein.
Whey protein is also a key ingredient in many infant formulas, due to the fact that it contains many of the same components as breast milk.
When considering the facts about pure why protein it is interesting to review current studies. A recent European study compared casein and whey protein. It found that older women who consume whey protein have greater protein synthesis, or growth, which helps eliminate the muscle loss that comes with aging. In addition, whey protein supplements are frequently used in hospitals for burn victims or people undergoing chemotherapy, since both protein and its amino acids are the building blocks that help with growth, repair and healing. Whey protein also contains components such as lactoferrin which has anti-microbial properties. Whey protein is also a fantastic supplement for vegetarians who need to increase they protein intake.