Amino Acids

The Supplements containing Amino Acids

Amino acids are chemical compounds that constitute proteins, which in turn are the main building substance of the human body. The presence of amino acids is extremely important as they play many critical roles in your body. Apart from building the proteins, they are needed for the synthesis of hormones and neurotransmitters – chemical substances crucial for fundamental processes within the body. Three categories od amino acids can be differenciated : essential, conditionally essential or nonessential. Essential amino acids cannot be produced by the body, so they need to be supplied by food or, if you are not on a varied and diet rich in nutrients, they can also be supplemented. The are 9 essential amino acids: histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine. They are often found together in nutritional combinations that aid the body in proper functioning. Nonessential amino acids comprising: alanine, arginine, asparagine, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine compose a group of chemical compounds that are produced by the body irrespective of food supply. The third group of amino acids – the so called conditional amino acids include: arginine, cysteine, glutamine, tyrosine, glycine, ornithine, proline, and serine. They are not essential, but their production is activated in times of need, e.g. under stress, or in times of illness. Consuming essential and nonessential amino acids at every meal is not critical, but keeping a balance of them over the whole day is important. Reduction diets or inadequately composed ones may pose a risk of protein deficiencies, which may ultimately bring health hazards or disfuncions of some organs. Your body needs 20 different amino acids to grow and function properly. Though all 20 of these are important for your health, only nine amino acids are classified as essential. In this section you will find detailed information of supplements containing optimal doses of amino acids, for various needs.



Isoflex, Pure Whey Protein Isolate (WPI Ion-Charged Particle Filtration), Chocolate, 5 lbs (2.27 kg) (ALLMAX Nutrition)Isoflex, Pure Whey Protein Isolate (WPI Ion-Charged Particle Filtration), Chocolate, 5 lbs (2.27 kg) (ALLMAX Nutrition)

English version Isoflex, Pure Whey Protein Isolate (WPI Ion-Charged Particle Filtration), Chocolate, 5 lbs (2.27 kg) (ALLMAX Nutrition)


Isoflex, Pure Whey Protein Isolate (WPI Ion-Charged Particle Filtration), Chocolate, 5 lbs (2.27 kg) (ALLMAX Nutrition) contains Tyrosine, L-Methionine, Histidine, Serine, Valine, L-Threonine, L-Isoleucine, L-Alanine, Lysine ... and many others. Isoflex, Pure Whey Protein Isolate (WPI Ion-Charged Particle Filtration), Chocolate, 5 lbs (2.27 kg) (ALLMAX Nutrition) is available in many countries around the world.

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Isoflex®: Truly Superior Protein
BCAA, Instantized  2:1:1 Ratio, Unflavored Powder, 400 g (ALLMAX Nutrition)BCAA, Instantized  2:1:1 Ratio, Unflavored Powder, 400 g (ALLMAX Nutrition)

English version BCAA, Instantized 2:1:1 Ratio, Unflavored Powder, 400 g (ALLMAX Nutrition)


BCAA, Instantized 2:1:1 Ratio, Unflavored Powder, 400 g (ALLMAX Nutrition) contains Valine, L-Isoleucine and L-Leucine. BCAA, Instantized 2:1:1 Ratio, Unflavored Powder, 400 g (ALLMAX Nutrition) is available in many countries around the world.

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AllMax Instantized 2:1:1 BCAA Powder
Liquid L-Carnitine 1500, Blue Raspberry, 16 oz (473 ml) (ALLMAX Nutrition)Liquid L-Carnitine 1500, Blue Raspberry, 16 oz (473 ml) (ALLMAX Nutrition)

English version Liquid L-Carnitine 1500, Blue Raspberry, 16 oz (473 ml) (ALLMAX Nutrition)


Liquid L-Carnitine 1500, Blue Raspberry, 16 oz (473 ml) (ALLMAX Nutrition) contains Thiamine, Thiamine Hydrochloride, Riboflavin, D-Pantothenic Acid, Methylcobalamin, Cyanocobalamin and Levocarnitine. Liquid L-Carnitine 1500, Blue Raspberry, 16 oz (473 ml) (ALLMAX Nutrition) is available in many countries around the world.

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Delicious and Easy-to-Take Liquid L-Carnitine with 1500 mg in just 1 serving! Boost Energy, Endurance & Performance. L-Carnitine enhances performance by increasing the body's reliance on fat for energy; this reduces depletion of muscle glycogen. By reducing muscle tissue lactic acid build-up,...
Glutathione, 500 mg, 60 Veg Capsules (Now Foods)Glutathione, 500 mg, 60 Veg Capsules (Now Foods)

English version Glutathione, 500 mg, 60 Veg Capsules (Now Foods)


Glutathione, 500 mg, 60 Veg Capsules (Now Foods) contains Thioctic Acid, Milk Thistle, Flavonoids, Silibinin and Glutathione. Glutathione, 500 mg, 60 Veg Capsules (Now Foods) is available in many countries around the world.

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Glutathione is a small peptide molecule composed of three amino acids: cysteine, glutamic acid, and glycine. It is produced by every cell of the body, with especially high levels in the liver. Glutathione is critical for healthy immune system function and is necessary for proper detoxification...
Glutathione, 250 mg, 60 Veg Capsules (Now Foods)Glutathione, 250 mg, 60 Veg Capsules (Now Foods)

English version Glutathione, 250 mg, 60 Veg Capsules (Now Foods)


Glutathione, 250 mg, 60 Veg Capsules (Now Foods) contains Glutathione, Glycine, L-Cysteine and Glutamic Acid. Glutathione, 250 mg, 60 Veg Capsules (Now Foods) is available in many countries around the world.

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Glutathione is a small peptide molecule composed of three amino acids: cysteine, glutamic acid, and glycine. It is produced primarily in the liver and is involved in many critical biological functions in the body including metabolism of toxins, immune system function, protection against oxidative...
NAC, 1000 mg, 120 Tablets (Now Foods)NAC, 1000 mg, 120 Tablets (Now Foods)

English version NAC, 1000 mg, 120 Tablets (Now Foods)


NAC, 1000 mg, 120 Tablets (Now Foods) contains Acetylcysteine. NAC, 1000 mg, 120 Tablets (Now Foods) is available in many countries around the world.

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N-Acetyl Cysteine (NAC) is a stable form of the non-essential amino acid L-Cysteine. It is a sulfur-containing amino acid that acts as a stabilizer for the formation of protein structures, and promotes the formation of glutathione. Glutathione is a powerful free radical scavenging compound that...
L-Methionine, 500 mg, 100 Capsules (Now Foods)L-Methionine, 500 mg, 100 Capsules (Now Foods)

English version L-Methionine, 500 mg, 100 Capsules (Now Foods)


L-Methionine, 500 mg, 100 Capsules (Now Foods) contains Pyridoxine, Pyridoxine Hydrochloride and L-Methionine. L-Methionine, 500 mg, 100 Capsules (Now Foods) is available in many countries around the world.

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L-Methionine is an essential amino acid, which means that it cannot be manufactured by the body and must be obtained through the diet or by supplementation. L-Methionine supports the production of the cellular radical scavenger glutathione, and thereby assists in natural detoxification processes....
L-Arginine, 1,000 mg, 120 Tablets (Now Foods)L-Arginine, 1,000 mg, 120 Tablets (Now Foods)

English version L-Arginine, 1,000 mg, 120 Tablets (Now Foods)


L-Arginine, 1,000 mg, 120 Tablets (Now Foods) contains Arginine Hydrochloride. L-Arginine, 1,000 mg, 120 Tablets (Now Foods) is available in many countries around the world.

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L-Arginine is conditionally essential basic amino acid involved primarily in urea metabolism and excretion, as well as in DNA synthesis and protein production. It is an important precursor of Nitric Oxide (NO) and thus plays a role in the dilation of blood vessels.
NAC, 600 mg, 250 Veg Capsules (Now Foods)NAC, 600 mg, 250 Veg Capsules (Now Foods)

English version NAC, 600 mg, 250 Veg Capsules (Now Foods)


NAC, 600 mg, 250 Veg Capsules (Now Foods) contains Sodium Molybdate, L-Cysteine, Acetylcysteine, Selenium and L-Selenomethionine. NAC, 600 mg, 250 Veg Capsules (Now Foods) is available in many countries around the world.

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N-Acetyl Cysteine (NAC) is a stable form of the non-essential amino acid L-Cysteine. It is a sulfur-containing amino acid that acts as a stabilizer for the formation of protein structures, and is also necessary for the formation of glutathione. Molybdenum and Selenium are essential trace minerals...
Taurine, Double Strength, 1,000 mg, 250 Veg Capsules (Now Foods)Taurine, Double Strength, 1,000 mg, 250 Veg Capsules (Now Foods)

English version Taurine, Double Strength, 1,000 mg, 250 Veg Capsules (Now Foods)


Taurine, Double Strength, 1,000 mg, 250 Veg Capsules (Now Foods) contains Taurine. Taurine, Double Strength, 1,000 mg, 250 Veg Capsules (Now Foods) is available in many countries around the world.

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Taurine is a conditionally essential amino acid which is not utilized for protein synthesis, but is mainly found free in most tissues, especially throughout the nervous system. It functions in tissues by stabilizing cell membranes, aiding the transport of potassium, sodium, calcium and magnesium in...
L-Cysteine, 500 mg, 100 Tablets (Now Foods)L-Cysteine, 500 mg, 100 Tablets (Now Foods)

English version L-Cysteine, 500 mg, 100 Tablets (Now Foods)


L-Cysteine, 500 mg, 100 Tablets (Now Foods) contains L-Cysteine Hydrochloride, L-Cysteine, Pyridoxine, Pyridoxine Hydrochloride and Ascorbic Acid. L-Cysteine, 500 mg, 100 Tablets (Now Foods) is available in many countries around the world.

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L-Cysteine is a non-essential sulfur amino acid, which plays a critical role in methionine, taurine and glutathione metabolism. It is also an important component of hair, nails and the keratin of the skin. L-Cysteine stabilizes protein structure and aids in the formation of collagen, being thereby...
L-Theanine, Double Strength, 200 mg, 120 Veg Capsules (Now Foods)L-Theanine, Double Strength, 200 mg, 120 Veg Capsules (Now Foods)

English version L-Theanine, Double Strength, 200 mg, 120 Veg Capsules (Now Foods)


L-Theanine, Double Strength, 200 mg, 120 Veg Capsules (Now Foods) contains Inositol, Green Tea and L-Theanine. L-Theanine, Double Strength, 200 mg, 120 Veg Capsules (Now Foods) is available in many countries around the world.

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L-Theanine is a unique amino acid found naturally in the tea plant (Camellia Sinensis). L-Theanine promotes relaxation while maintaining alertness and promotes healthy cognitive function. L-Theanine may also support healthy vascular function through this relaxing effect.
L-Tyrosine, Extra Strength, 750 mg, 90 Veg Capsules (Now Foods)L-Tyrosine, Extra Strength, 750 mg, 90 Veg Capsules (Now Foods)

English version L-Tyrosine, Extra Strength, 750 mg, 90 Veg Capsules (Now Foods)


L-Tyrosine, Extra Strength, 750 mg, 90 Veg Capsules (Now Foods) contains Tyrosine. L-Tyrosine, Extra Strength, 750 mg, 90 Veg Capsules (Now Foods) is available in many countries around the world.

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L-Tyrosine is a conditionally indispensable amino acid required for the production of the neurotransmitters dopamine, adrenaline, and noradrenaline, as well as for the skin pigment, melanin. Noradrenaline (norepinephrine) and adrenaline (epinephrine) are the main actors in the body's response to...
L-Tyrosine, 500 mg, 120 Capsules (Now Foods)L-Tyrosine, 500 mg, 120 Capsules (Now Foods)

English version L-Tyrosine, 500 mg, 120 Capsules (Now Foods)


L-Tyrosine, 500 mg, 120 Capsules (Now Foods) contains Tyrosine. L-Tyrosine, 500 mg, 120 Capsules (Now Foods) is available in many countries around the world.

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L-Tyrosine is a conditionally indispensable amino acid required for the production of the neurotransmitters dopamine, adrenaline, and noradrenaline, as well as for the skin pigment, melanin. Noradrenaline (norepinephrine) and adrenaline (epinephrine) are the main actors in the body's response to...
GABA, Pure Powder, 6 oz (170 g) (Now Foods)GABA, Pure Powder, 6 oz (170 g) (Now Foods)

English version GABA, Pure Powder, 6 oz (170 g) (Now Foods)


GABA, Pure Powder, 6 oz (170 g) (Now Foods) contains Gamma-Aminobutyric Acid. GABA, Pure Powder, 6 oz (170 g) (Now Foods) is available in many countries around the world.

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GABA (Gamma-Aminobutyric Acid) is a non -protein amino acids that functions as a neurotransmitter in the human brain. GABA is naturally produced in the body and its presence within the central nervous system may help promote relaxation and ease nervous tension.
L-Carnosine, 500 mg, 100 Veg Capsules (Now Foods)L-Carnosine, 500 mg, 100 Veg Capsules (Now Foods)

English version L-Carnosine, 500 mg, 100 Veg Capsules (Now Foods)


L-Carnosine, 500 mg, 100 Veg Capsules (Now Foods) contains Carnosine. L-Carnosine, 500 mg, 100 Veg Capsules (Now Foods) is available in many countries around the world.

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L-Carnosine (beta-Alanyl-L-Histidine) is a dipeptide, consisting of alanine and histidine. It is naturally found in high concentrations in skin, muscles and nerve tissues and its levels are known to decrease with age. L-Carnosine protects cell and tissue structures during the aging process through...
GABA, 500 mg, 100 Veg Capsules (Now Foods)GABA, 500 mg, 100 Veg Capsules (Now Foods)

English version GABA, 500 mg, 100 Veg Capsules (Now Foods)


GABA, 500 mg, 100 Veg Capsules (Now Foods) contains Pyridoxine, Pyridoxine Hydrochloride and Gamma-Aminobutyric Acid. GABA, 500 mg, 100 Veg Capsules (Now Foods) is available in many countries around the world.

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GABA (Gamma-Aminobutyric Acid) is a non-protein amino acid that functions as a neurotransmitter in the human brain. GABA is naturally produced in the body and its presence within the central nervous system may help promote relaxation and ease nervous tension.
Sports, L-Glutamine, Double Strength, 1,000 mg, 120 Capsules (Now Foods)Sports, L-Glutamine, Double Strength, 1,000 mg, 120 Capsules (Now Foods)

English version Sports, L-Glutamine, Double Strength, 1,000 mg, 120 Capsules (Now Foods)


Sports, L-Glutamine, Double Strength, 1,000 mg, 120 Capsules (Now Foods) contains L-Glutamine. Sports, L-Glutamine, Double Strength, 1,000 mg, 120 Capsules (Now Foods) is available in many countries around the world.

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Glutamine is considered to be a conditionally essential amino acid, which means that under certain circumstances, the body may require more Glutamine than it can produce. In the body, Glutamine functions as a major nitrogen transporter and is critical for the maintenance of healthy nitrogen...
Taurine, 500 mg, 100 Capsules (Now Foods)Taurine, 500 mg, 100 Capsules (Now Foods)

English version Taurine, 500 mg, 100 Capsules (Now Foods)


Taurine, 500 mg, 100 Capsules (Now Foods) contains Taurine. Taurine, 500 mg, 100 Capsules (Now Foods) is available in many countries around the world.

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Taurine is a conditionally essential amino acid that is not utilized for protein synthesis, but is mainly found free in most tissues, especially throughout the nervous system. It functions in tissues by stabilizing cell membranes, aiding the transport of potassium, sodium, calcium and magnesium in...
GABA, 500 mg, 200 Veg Capsules (Now Foods)GABA, 500 mg, 200 Veg Capsules (Now Foods)

English version GABA, 500 mg, 200 Veg Capsules (Now Foods)


GABA, 500 mg, 200 Veg Capsules (Now Foods) contains Pyridoxine, Pyridoxine Hydrochloride and Gamma-Aminobutyric Acid. GABA, 500 mg, 200 Veg Capsules (Now Foods) is available in many countries around the world.

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GABA (Gamma-Aminobutyric Acid) is a non-protein amino acid that functions as a neurotransmitter in the human brain. GABA is naturally produced in the body and its presence within the central nervous system may help promote relaxation and ease nervous tension.

Amino Acids - References & External links

The references to scientific articles about Amino Acids are not meant to imply that any products treat, cure, or diagnose any disease or human condition. We encourage our audience to do their own research beyond the resources we have provided so your decision is as educated as possible.