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Protein powders are the most popular and may have flavoring added for palatability. Some MRPs also contain flax oil powder as a source of essential fatty acids. From Wikipedia, the free encyclopedia. The sources of protein are as follows and differ in protein quality depending on their amino acid profile and digestibility:. The cereal was introduced to the United States in


They remain legal, however, in the United Kingdom and the wider European Union. Their use is prohibited by most sporting bodies. Creatine is an organic acid naturally occurring in the body that supplies energy to muscle cells for short bursts of energy as required in lifting weights via creatine phosphate replenishment of ATP. A number of scientific studies have shown that creatine can improve strength, [32] energy, [33] muscle mass, and recovery times.

In addition, recent studies have also shown that creatine improves brain function. Creatine increases what is known as cell volumization by drawing water into muscle cells, making them larger.

Creatine is sold in a variety of forms, including creatine monohydrate and creatine ethyl ester , amongst others. Though all types of creatine are sold for the same purposes, there are subtle differences between them, such as price and necessary dosage.

Creatine monohydrate is regarded as a necessity by most bodybuilders. Creatine monohydrate is the most cost-effective dietary supplement in terms of muscle size and strength gains. This can be accomplished by mixing powdered creatine with grape juice, lemonade, or many high glycemic index drinks.

Some studies have suggested that consumption of creatine with protein and carbohydrates can have a greater effect than creatine combined with either protein or carbohydrates alone. The inhibition of exercise-induced skeletal muscle damage by HMB is affected by the time that it is used relative to exercise. Meal replacement products MRPs are either pre-packaged powdered drink mixes or edible bars designed to replace prepared meals.

MRPs are generally high in protein, low in fat, have a low to moderate amount of carbohydrates, and contain a wide array of vitamins and minerals. Some MRPs also contain flax oil powder as a source of essential fatty acids. MRPs can also contain other ingredients, such as creatine monohydrate , glutamine peptides, L-glutamine , calcium alpha-ketoglutarate , additional amino acids, lactoferrin , conjugated linoleic acid , and medium-chain triglycerides.

A sub-class of MRPs is colloquially known as "weight gainers", which are meal replacement products with a higher carbohydrate: Whereas a MRP will typically have a 0. A thermogenic is a broad term for any supplement that the manufacturer claims will cause thermogenesis , resulting in increased body temperature, increased metabolic rate, and consequently an increased rate in the burning of body fat and weight loss.

Until almost every product found in this supplement category comprised the " ECA stack ": However, on February 6, the Food and Drug Administration FDA banned the sale of ephedra and its alkaloid , ephedrine, for use in weight loss formulas. Several manufacturers replaced the ephedra component of the "ECA" stack with bitter orange or citrus aurantium containing synephrine instead of the ephedrine.

From Wikipedia, the free encyclopedia. Redirected from Protein shake. This article needs more medical references for verification or relies too heavily on primary sources.

Please review the contents of the article and add the appropriate references if you can. Unsourced or poorly sourced material may be challenged and removed. This section does not cite any sources. Please help improve this section by adding citations to reliable sources. Unsourced material may be challenged and removed. December Learn how and when to remove this template message. January Learn how and when to remove this template message. From experimental data to clinical evidence in sarcopenia".

HMB is widely used as an ergogenic supplement by young athletes. B; Serrano, J; Hoofnagle, J. Br J Sports Med. Retrieved 1 December While federal law shut the door on regulation of dietary supplements, marketing hype may be leading the popular aids up courthouse steps".

Retrieved December 11, Food and Drug Administration. Retrieved December 14, The New York Times. The team found the compound — N,alpha-diethylphenylethylamine — has a structure similar to methamphetamine, a powerful, highly addictive, illegal stimulant drug. They believe the new compound is likely less potent than methamphetamine but greater than ephedrine. Journal of the American College of Nutrition. Applied Physiology, Nutrition, and Metabolism. Journal of sports sciences.

International journal of sport nutrition. The American Journal of Clinical Nutrition. The impact on calcium and bone homeostasis in humans". The Journal of Nutrition. The Journal of Clinical Endocrinology and Metabolism. Daniel; Lochmann, John D. A double-blind, placebo-controlled, cross-over trial".

Proceedings of the Royal Society B. The diet has been criticised for being too low in protein , fiber , vegetables, and fruits. The diet does not include guidance on how to change unhealthy overeating or lack of exercise and their importance to permanent weight loss. One serving contains 0. In the UK, an advertising campaign has focused on the results of a study run in collaboration with the Department of Human Sciences at Loughborough University , requiring overweight volunteer subjects to replace two meals a day with a bowl of the cereal.

The university's scientists concluded that the majority of this was due to fat loss. In the US, Special K cereal currently comes in fourteen different varieties: Ingredients in Special K include: Vitamins and minerals include vitamin C ascorbic acid , vitamin E alpha tocopherol acetate , niacinamide, reduced iron, vitamin B 6 pyridoxine hydrochloride , vitamin B 1 thiamin hydrochloride , vitamin A palmitate , vitamin B 2 riboflavin , folic acid , and vitamin B In the US, Special K provides meal replacements in two different forms, protein meal bars and protein shakes.

There are eight varieties of Special K Protein Shakes: Kellogg's Special K snacks are marketed as low-fat alternatives to regular snacks. There are five varieties of Special K Breakfast Shakes: There are two varieties of Special K Cereal Bars: Red Berries, and Chocolatey Pretzel.

There are five varieties of Special K Cracker Chips: There are two varieties of Special K Popcorn: Kettle Corn and White Cheddar. There is one variety of Special K Crackers: It was produced in several flavors and has been marketed as a weight-control and weight-loss product.

The product was re-launched in by the Kellogg Company. The product is no longer available. The product was also manufactured in a powdered form as a drink mix that is sold in packets, which is then added to water. Kellogg's produces Special K Protein Shakes. Until the mid, Kellogg's used a special Special K formula that was different in Canada from that used in the U.

The discontinued Canadian formula had a different taste which reflected the "Canadian taste preference" according to the Consumer Relations department of Kellogg's in Canada. Kellogg wants Special K's message to be about self-empowerment, rather than counting calories.

Discussing how Canadian women's approach to health management has changed, Natasha Millar of Kellogg Canada said: Skinny is not how she wants to be perceived, but rather, strong. It's not about losing weight, it's about working out and building her sense of self.

Denmark has outlawed the addition of vitamins in Kellogg's products since Danish health officials banned cereals containing added vitamins because they claimed Kellogg's Special K wanted to add extremely high levels of vitamin B 6 , calcium , folic acid , and iron , which would reach toxic levels when eaten on a daily basis.

Young children risk liver and kidney damage while the fetuses of pregnant women could suffer complications. The show provided evidence that the iron was not nutritional ionic iron—as it occurs in natural foods like spinach—but was, in fact, metallic iron. A Kellogg's telephone help desk employee was not willing to discuss the ingredients of their products in general, claiming it was a company secret; although, in the show, the company was not confronted with the findings.

The nutritional experts in the show agreed that metallic iron should not be part of a diet. Metallic iron is speculated to damage organs. They also challenged the claim that the cereal could contain "shredded bites," and responded that iron powder is suitable for human consumption. The evidence provided during the show followed David Catz's description of an experiment by Dr.