| FAQ about Whey Protein and Amino Acids |
What is Whey Protein?
Is Protein Powder Pasteurized?
Whey is a "complete" protein, meaning it contains all the essential amino acids that the human body requires for proper repair and function. Whey protein is also a rich source of the branched chain amino acids, L-Leucine, L-Isoleucine and L-Valine. This high-quality source of protein naturally found in dairy, is commonly marketed and ingested as a dietary supplement, was once considered a useless by product of cheese manufacturing.
What are the benefits of Whey Protein?
Whey Protein Powder is made from pasteurized whole milk as a raw materials, however whey is processed at low temperatures in a sterile environment to prevent the protein from being denatured. Whey can be denatured by heat. High heat (such as the sustained high temperatures above 72 °C associated with the pasteurization process) denatures whey proteins. While native whey protein does not aggregate upon acidification of milk, denaturing the whey protein triggers hydrophobic interactions with other proteins, and the formation of a protein gel.
What is the expiration date of Whey Protein?
Whey Protein is one of the highest quality sources of protein and an ideal choice for men and women of all ages. Not only does whey protein provide serious athletes with essential and branched-chain amino acids, it also helps to repair and rebuild muscle tissues. Whey Protein is absorbed quickly due to its short chain length of amino acids which provides optimal recovery and growth. The health benefits provided by whey protein are abundant and include areas such as weight management, cardiovascular health and bone health.
Can those who are lactose intolerant eat whey protein?
All whey protein products have a printed best by date on the label or container. Consuming protein past the best by date may cause upset stomach or more severe conditions due to breakdown of the excipients in whey protein powder, such as colorings and flavors. The likelihood of the product going bad due to micro-bacterial growth is low since whey is stored as a powder in an opaque container free of water and moisture. Although whey protein products are low in fat, if any fat is present, such as whey protein concentrate, or whey protein blend, the fat can go rancid due to the chemical decomposition of fatty acids from oxygen in the air. It is best to strictly adhere to the manufacturer’s best by date to be 100% safe.
Why does whey protein contain a small amount of soy lecithin?
Whey Protein Isolate is virtually free of lactose, but may contain trace amounts less than 0.5g per serving. Most people who are lactose intolerant are able to safely consume whey without any negative side effects however a medical practitioner should always be consulted before taking if there are any doubts.
If Whey Protein Concentrate is 80% Protein, what is the other 20%?
Whey Protein contains a very small amount of soy lecithin to help it dissolve more easily and completely in foods and beverages. After membrane filtration, spray drying is utilized to turn the highly concentrated solution of protein into an instantized, ready to mix powder for a broad array of commercial applications. The instantizing process typically involves the use of soy lecithin a natural component found in a number of foods in trace amounts that is lightly coated onto the whey particles during the spray drying process to enable the protein to readily disperse in water.
What is the difference between whey protein isolate and whey protein concentrate?
Every protein powder, whether it’s whey, soy, casein, etc., has moisture. In fact, 5% of the total formula is water. Another 3-5% is made up of naturally occurring minerals in whey. The remaining 10-12% is a combination of carbs and fat.
What are Amino Acids?
Whey protein isolate is a natural dairy protein powder made up of at least 90% protein. Most of Whey Protein Isolate formulas contains 25 grams protein per 30 gram serving (taking flavoring into account). As a protein source, whey protein isolate contains more protein than whey protein concentrate, which contains about 80% protein. In addition, whey protein isolate contains almost no sugar, lactose or fat. Although whey protein isolate packs more protein, whey protein concentrate is the most economical option per gram of protein.
Why is there an "L" in front of the amino acids on the label?
Amino acids are the building blocks of proteins, and proteins are the building blocks of life. The human body is constantly assembling, breaking down and using proteins on a daily basis. In fact, 10 to 35% of caloric energy should come from good, high-quality protein. Amino acids are vital for the body’s ability to function at an optimal level. Unlike fat and carbohydrates, the human body does not store excess amino acids for later use. Amino acids must be obtained from protein in the diet on a daily basis to meet the needs of the body. They are crucial and have wide-ranging roles, including the repair and maintenance of muscles, organs, nails, hair, skin, ligaments, connective tissues, glands, etc. Because amino acids are considered the building blocks of life, specifically protein, a deficiency in even one of them can have detrimental effects on one’s health and well-being.
What is the difference between essential and non-essential amino acids?
In chemistry, an amino acid by definition is any molecule that contains both amine (amino) and carboxyl functional groups. All amino acids share this common chemical “backbone” that consists of a carbon atom to which four substituent groups are bonded: a nitrogen-containing amino group (NH2), a carboxyl group (COOH), a hydrogen (H+) atom and an “R” group.
The “R” group or side chain varies in electric charge, size, structure and solubility in water, giving each amino acid its distinct chemical properties. Since all amino acids (except glycine) contain at least one asymmetrical carbon atom, which produces a mirror image, they exist in nature as two forms (stereoisomers). The forms are designated as either D- or L-, depending on their structural relationship to a right- or left-handed reference point. While both forms are found in biological systems, all amino acids constituting proteins are composed of the L-form. DL-amino acids are a 50/50 mixture of both the D- and L- form of the molecule.
What are the most popular forms of branched chain amino acids (BCAAs)?
There are twenty “standard” amino acids used by cells in protein biosynthesis. Of the 20+ amino acids, 9 are “essential” and are required in the diet, since the body cannot produce them. “Nonessential” amino acids, on the other hand, are produced in the body from other amino acids when given an adequate supply of nitrogen, carbon, hydrogen and oxygen. Yet, even some of these nonessential amino acids are necessary at certain life stages or during certain situations, which is why some are considered “conditionally essential”
Branched chain amino acids, also called BCAAs, are the combination of three essential amino acids—valine, leucine, and isoleucine. Because they make up one third of muscle protein, branched chain amino acids are particularly important for anyone who lifts weights. Branched chain amino acids differ from amino acids because they are metabolized in the muscle, rather than in the liver. This means that after digestion occurs, BCAAs can be burned as energy-producing fuel, or they can be used to build new proteins. BCAAs rebuild are ideal for athletes who participate in endurance activities as well as bodybuilders dieting for a show, as they rebuild stressed muscles, promote quick recovery, give you extra energy, and prevent muscles from breaking down.
Why take individual branched chain amino acids or branched chain amino acid blends?
The most popular form of branched chain amino acids (BCAAs) are the combination of valine, leucine, and isoleucine. Linked together, these three essential amino acids make up one third of muscle protein, and are responsible for: Rebuilding stressed muscles, promoting quick recovery, extra energy, and preventing muscles from breaking down.
Branched chain amino acids or branched chain amino acid blends are ideal for those who: Additional BCAAs will aid in the repair and recovery of muscles, particularly for those with intense training schedules. Additional BCAAs will contribute to muscle growth. Additional BCAAs will contribute to improved energy.