A whey protein isolate is a protein contained in whey. It’s a dietary supplement created by separating components from the curds when making cheese and has non-protein elements removed during this process.
In general, there are four main variations of whey protein powder: whey protein isolate, whey protein concentrate, hydrolyzed whey protein and undenature whey concentrate. Whey protein isolates are the highest grade of whey protein, as it has the greatest protein concentration – 90-95%, while the rest of the powders can range from 25-89% total protein content. It contains the lowest level of lactose and no cholesterol, so people with lactose intolerance will only benefit from this factor. It is also very low in fat, so really one of the best well rounded proteins that is available on the market.
Whey protein isolate boosts your immune system. It contains an antibody, Immunoglobulin, in concentrations of as much as 10-15%, which improves immune system overall and helps to fight off germs, illness and any toxins. Immunoglobulin is very important. For example, infants built their immune system with breast milk that contains this antibody. So, it supports disease control in adults through the same mechanisms.
High blood pressure can cause heart diseases. Bioactive peptides in whey proteins, known as lactokinins, stabilizes blood pressure thus protects your heart.
Whey protein is very satiating (feeling of fullness after eating a meal), and better than other types of protein, like soy and casein. It boosts metabolism and suppresses appetite thus helps you to burn more calories and reduce their intake. And when you lose weight you only maintain muscle mass, which is one of the main advantages of whey isolate!
Whey protein can be very effective at normalizing blood sugar, increasing both, - the levels of insulin and the sensitivity to its effects. Taking it with high-carb meals can actually help type 2 diabetics.
If you have chronic inflammation, you know that it can be very harmful, and can cause numerous diseases. Studies found that high doses of this protein supplement reduces C-reactive protein (CRP), a key marker of inflammation in the body.
Glutathione is one of the most important antioxidants in humans and it is produced by your body. There are several amino acids that affect its production. One of them is cysteine, which is sometimes of limited supply. Whey protein isolate is high in cysteine and can reduce oxidative stress and boost the body’s natural defense by increasing this level of glutathione.
Pregnant women, who have an increased need for protein, - whey protein isolate is a rich source of it. Furthermore, whey protein helps to prevent muscle and bone loss in senior citizens.
Studies showed that whey protein can improve cytokine response in children with asthma. Reduces high cholesterol levels
Whey protein isolate demonstrates a great potential in treating cancer. After several studies on rats of whey protein effects on cancer prevention or treatment, only those who were fed whey protein reduced sized tumors. On breast cancer cells, it was shown that whey protein inhibited cancer cell growth at even lower concentrations.¹² ¹McIntosh G.H,. et al., Journal of Nutrition, 1995 ²(Baruchel S. and Vaiu G., Anti Cancer Research, 1996)
Whey protein is LIKELY SAFE for most children and adults.
Baby formulas include Whey Protein Isolate, as well as nutrition shakes for the elderly.
You can find Whey Protein in your baked goods or ice cream. It’s a great way to replace the consistency of fat without the actual fat.