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:: Fitness - Supplements - Amino Acid Supplements

amino acid supplements Amino Acids

amino acid supplements

In chemistry, an amino acid is any molecule that contains both amine and carboxyl functional groups. In biochemistry, this term refers to alpha amino acids. These alpha amino acids are components of proteins. In proteins, amino acids are joined together in a chain by peptide bonds between their amino and carboxylate groups. An amino acid residue is one amino acid that is joined to another by a peptide bond. Each different protein has a unique sequence of amino acid residues, this is its primary structure.

There are 20 standard amino acids used by cells in protein biosynthesis. These 20 amino acids can be biosynthesised from simpler molecules, but organisms differ in how many they are able to produce and essential amino acids must be obtained in their diet.

Amino acids in proteins: Amino acids are the basic structural building units of proteins. 20 amino acids are encoded by the standard genetic code and are called proteinogenic or standard amino acids.

Non-protein amino acids: Hundreds of types of non-protein amino acids have been found in nature and they have multiple functions in living organisms. In humans, non-protein amino acids also have biologically-important roles. Glycine, gamma-aminobutyric acid and glutamate are neurotransmitters and many amino acids are used to synthesize other molecules.

amino acid supplements Essential & Non-Essential Amino Acids

Of the 20 standard proteinogenic amino acids, 10 are called essential amino acids because the human body cannot synthesize them from other compounds through chemical reactions, and they therefore must be obtained from food.

An essential amino acid or indispensable amino acid, is an amino acid that cannot be synthesized de novo by the organism (usually referring to humans), and therefore must be supplied in the diet. They are: histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine. In addition, the amino acids arginine, cysteine, glycine and tyrosine are considered conditionally essential, meaning they are not normally required in the diet, but must be supplied exogenously to specific populations that do not synthesize it in adequate amounts.

The distinction between essential and non-essential amino acids is somewhat unclear, as some amino acids can be produced from others. Which amino acids are essential varies from species to species, as different metabolisms are able to synthesize different substances.

Foodstuffs that lack essential amino acids are poor sources of protein equivalents, as the body tends to deaminate the amino acids obtained, converting proteins into fats and carbohydrates. Therefore, a balance of essential amino acids is necessary for a high degree of net protein utilization, which is the mass ratio of amino acids converted to proteins to amino acids supplied.

amino acid supplements Amino Acid Supplements

Sportsmen take Amino Acids as Amino Acid Supplements to increase muscle bulk. Amino Acid Supplements are prescribed as a medical treatment during the recovery period after serious illnesses, traumas or burns and scalds. Amino Acid Supplements are also used as the treatment for metabolic diseases and immunodeficiency. Here is the list of common used Amino Acid Supplements:

20 Amino Acids  
amino acid supplements
Retail $17.97
Discount: $9.48

Now Amino 1500 contains a balanced blend of the following 20 essential and non-essential amino acids: L-alanine, L-arginine, L-aspartic acid, L-carnitine, L-cysteine, L-glutamic acid, L-glycine, L-histidine, L-isoleucine, L-leucine, L-lysine, L-methionine, L-ornithine, L-phenylalanine, L-proline, L-serine, L-threonine, L-tryptophan, L-tyrosine, L-valine.

Branched Chain Amino Acid Supplement 
amino acid supplements
Retail $24.95
Discount: $12

Branched Chain Amino Acids (BCAA): BCAA 1000 contains a potent balance of Branched Chain Amino Acids which are building blocks of muscle mass and size. Metabolized directly in the muscle, BCAAs, may improve nitrogen retention by sparing other amino acid groups for repair and rebuilding.


Amino Acids Complex Supplements  
amino acid supplements
Retail $14.49
Discount: $5

Each tablet of Amino Acid Complex typically contains the following amino acids that naturally occur in the following approximate amounts: Lysine 162mg, Cystine 21mg, Arginine 29mg, Methionine 23mg, Tyrosine 38mg, Threonine 77mg,
Tryptophan 30mg, Leucine 124mg, Phenylalanine 34mg, Isoleucine 64mg, Valine 62mg,
Glutamic Acid 198mg, Histidine 21mg, Glycine 22mg, Alanine 56mg, Proline 64mg, Serine 80mg, Aspartic Acid 122mg, Great Fitness Formula

Twinlab Amino Fuel Supplement  
amino acid supplements
Retail $11.99
Discount: $5.20

Highest quality. Twinlab's Amino Fuel is a high tech bodybuilding formula that contains L-carnitine, branched chain amino acids (L-leucine, L-isoleucine and L-valine) and peptide bonded amino acids derived from pharmaceutical grade pancreatic (enzymatic) digests of whey protein (lactalbumin) and egg white protein (albumin), nature's highest quality (PER) amino acid sources. Whey protein is the predominant protein in human milk and is of higher quality (PER) than casein.


Amino Acid 2222 SoftGel Supplement  
amino acid supplements
Retail $29.95
Discount: $11

Each two softgel serving of Superior Amino 2222 Softgels provides 2,000 milligrams of high quality amino acids including the eight essentials. Superior Amino 2222 Softgels are easier to swallow than most tablets and are rapidly digested and absorbed.

L-Arginine Amino Acid Supplement  
amino acid supplements
Retail $18.85
Discount: $8.06

L-Arginine amino acid is a conditionally essential basic amino acid involved primarily in urea metabolism and excretion as well as DNA synthesis.


L-Proline Amino Acid Supplement  
amino acid supplements
Retail $14.99
Discount: $6.34

L-Proline is an amino acid that is essential for the synthesis of collagen, the most abundant protein in mammals. L-Proline therefore provides building blocks that help to stabilize and strengthen the structural components of the body.

L-Lysine Amino Acid Powder Supplement
amino acid supplements
Retail $24.97
Discount: $12.48

L-Lysine is an essential amino acid, which means your body cannot manufacture it. It must be obtained through the diet or by supplementation. Lysine is one of the most well known amino acids and is an essential component of all proteins.


L-Tryptophan Amino Acid Supplement  
amino acid supplements
Retail $29.98
Discount: $14.73

The essential amino acid l-tryptophan helps support relaxation, restful sleep, and feeling better. L-Tryptophan plays a part in the synthesis of both melatonin and serotonin, hormones involved with mood and stress response.



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