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.



Sports, Amino Complete, 360 Capsules (Now Foods)Sports, Amino Complete, 360 Capsules (Now Foods)

English version Sports, Amino Complete, 360 Capsules (Now Foods)


Sports, Amino Complete, 360 Capsules (Now Foods) contains Pyridoxine, Pyridoxine Hydrochloride, Tyrosine, L-Methionine, Histidine, L-Glutamine, Serine, Valine, L-Threonine ... and many others. Sports, Amino Complete, 360 Capsules (Now Foods) is available in many countries around the world.

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Sports, Amino Complete, 360 Capsules (Now Foods)
5-HTP, 100 mg, 120 Veg Capsules (Now Foods)5-HTP, 100 mg, 120 Veg Capsules (Now Foods)

English version 5-HTP, 100 mg, 120 Veg Capsules (Now Foods)


5-HTP, 100 mg, 120 Veg Capsules (Now Foods) contains Griffonia and 5-Hydroxytryptophan. 5-HTP, 100 mg, 120 Veg Capsules (Now Foods) is available in many countries around the world.

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5-HTP, the intermediate metabolite between the amino acid L-tryptophan and serotonin, is extracted from the seed of an African plant (Griffonia simplicifolia).
L-Tryptophan, Double Strength, 1,000 mg, 60 Tablets (Now Foods)L-Tryptophan, Double Strength, 1,000 mg, 60 Tablets (Now Foods)

English version L-Tryptophan, Double Strength, 1,000 mg, 60 Tablets (Now Foods)


L-Tryptophan, Double Strength, 1,000 mg, 60 Tablets (Now Foods) contains Tryptophan. L-Tryptophan, Double Strength, 1,000 mg, 60 Tablets (Now Foods) is available in many countries around the world.

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NOW Double Strength L-Tryptophan has twice the L-Tryptophan (1000 mg per tablet) as in our regular strength product (500 mg per capsule).
L-Proline, 500 mg, 120 Veg Capsules (Now Foods)L-Proline, 500 mg, 120 Veg Capsules (Now Foods)

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


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

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L-Proline is an amino acid that is necessary for collagen production. Collagen is the main structural protein that constitutes all human connective tissues, including skin, tendons, ligaments, joints, bone, and blood vessels (veins and arteries). L-Proline is therefore a building block that helps...
Acetyl-L Carnitine, 500 mg, 100 Veg Capsules (Now Foods)Acetyl-L Carnitine, 500 mg, 100 Veg Capsules (Now Foods)

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


Acetyl-L Carnitine, 500 mg, 100 Veg Capsules (Now Foods) contains Levocarnitine, Acetyl-L-Carnitine and Acetyl-L-Carnitine Hydrochloride. Acetyl-L Carnitine, 500 mg, 100 Veg Capsules (Now Foods) is available in many countries around the world.

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Acetyl-L-Carnitine (ALC) is a modified amino acid that supports cellular energy production by assisting in the transport of fat into the mitochondria where it is converted into ATP (cellular fuel). ALC is a highly bioavailable form of L-Carnitine that can cross the blood-brain barrier, where it...
L-Lysine, 1000 mg, 250 Tablets (Now Foods)L-Lysine, 1000 mg, 250 Tablets (Now Foods)

English version L-Lysine, 1000 mg, 250 Tablets (Now Foods)


L-Lysine, 1000 mg, 250 Tablets (Now Foods) contains L-Lysine Hydrochloride. L-Lysine, 1000 mg, 250 Tablets (Now Foods) is available in many countries around the world.

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Lysine is an essential amino acid that must be obtained through the diet or through supplementation. Lysine is necessary for the production of all proteins in the body, and is required for the maintenance of the structural proteins collagen and elastin, which form all connective tissues such as...
Sports, Beta-Alanine, Endurance, 750 mg, 120 Veg Capsules (Now Foods)Sports, Beta-Alanine, Endurance, 750 mg, 120 Veg Capsules (Now Foods)

English version Sports, Beta-Alanine, Endurance, 750 mg, 120 Veg Capsules (Now Foods)


Sports, Beta-Alanine, Endurance, 750 mg, 120 Veg Capsules (Now Foods) contains Beta-Alanine. Sports, Beta-Alanine, Endurance, 750 mg, 120 Veg Capsules (Now Foods) is available in many countries around the world.

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Beta-Alanine is a non-essential amino acid that is used by muscle cells to synthesize Carnosine. Carnosine is a dipeptide (Beta- Alanine plus Histidine) that functions as a buffer for the hydrogen ions (acid) produced during strenuous exercise, thus helping to maintain optimum muscular pH. NOW...
Glycine, 1,000 mg, 100 Veg Capsules (Now Foods)Glycine, 1,000 mg, 100 Veg Capsules (Now Foods)

English version Glycine, 1,000 mg, 100 Veg Capsules (Now Foods)


Glycine, 1,000 mg, 100 Veg Capsules (Now Foods) contains Glycine. Glycine, 1,000 mg, 100 Veg Capsules (Now Foods) is available in many countries around the world.

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Glycine is the smallest and simplest amino acid, making it versatile for use in a wide range of functions. Glycine is necessary for the production of glutathione, DNA, creatine, bile, hemoglobin, and most proteins. It also helps to promote glycogen storage, thereby making glucose readily available...
Glutathione, 500 mg, 30 Veg Capsules (Now Foods)Glutathione, 500 mg, 30 Veg Capsules (Now Foods)

English version Glutathione, 500 mg, 30 Veg Capsules (Now Foods)


Glutathione, 500 mg, 30 Veg Capsules (Now Foods) contains Thioctic Acid, Milk Thistle, Flavonoids, Silibinin and Glutathione. Glutathione, 500 mg, 30 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...
5-HTP, 50 mg, 90 Veg Capsules (Now Foods)5-HTP, 50 mg, 90 Veg Capsules (Now Foods)

English version 5-HTP, 50 mg, 90 Veg Capsules (Now Foods)


5-HTP, 50 mg, 90 Veg Capsules (Now Foods) contains Griffonia and 5-HTP. 5-HTP, 50 mg, 90 Veg Capsules (Now Foods) is available in many countries around the world.

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5-HTP, the intermediate metabolite between the amino acid L-tryptophan and serotonin, is extracted from the seed of an African plant (Griffonia simplicifolia).
Taurine, Double Strength, 1,000 mg, 100 Veg Capsules (Now Foods)Taurine, Double Strength, 1,000 mg, 100 Veg Capsules (Now Foods)

English version Taurine, Double Strength, 1,000 mg, 100 Veg Capsules (Now Foods)


Taurine, Double Strength, 1,000 mg, 100 Veg Capsules (Now Foods) contains Taurine. Taurine, Double Strength, 1,000 mg, 100 Veg 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, and aiding the transport of potassium, sodium, calcium and magnesium...
5-HTP, 100 mg, 60 Veg Capsules (Now Foods)5-HTP, 100 mg, 60 Veg Capsules (Now Foods)

English version 5-HTP, 100 mg, 60 Veg Capsules (Now Foods)


5-HTP, 100 mg, 60 Veg Capsules (Now Foods) contains Griffonia and 5-Hydroxytryptophan. 5-HTP, 100 mg, 60 Veg Capsules (Now Foods) is available in many countries around the world.

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5-HTP, the intermediate metabolite between the amino acid L-tryptophan and serotonin, is extracted from the seed of an African plant (Griffonia simplicifolia).
L-Carnitine + Tartrate, 120 Capsules (ALLMAX Nutrition)L-Carnitine + Tartrate, 120 Capsules (ALLMAX Nutrition)

English version L-Carnitine + Tartrate, 120 Capsules (ALLMAX Nutrition)


L-Carnitine + Tartrate, 120 Capsules (ALLMAX Nutrition) contains Calcium Pantothenate, D-Pantothenic Acid and Levocarnitine. L-Carnitine + Tartrate, 120 Capsules (ALLMAX Nutrition) is available in many countries around the world.

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Allmax introduces L-Carnitine L-Tartrate (LCLT), one of the world's most bio-available forms of L-Carnitine supplementation.
L-Lysine, 1,000 mg, 100 Tablets (Now Foods)L-Lysine, 1,000 mg, 100 Tablets (Now Foods)

English version L-Lysine, 1,000 mg, 100 Tablets (Now Foods)


L-Lysine, 1,000 mg, 100 Tablets (Now Foods) contains L-Lysine Hydrochloride. L-Lysine, 1,000 mg, 100 Tablets (Now Foods) is available in many countries around the world.

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L-Lysine is an essential amino acid that must be obtained through the diet or through supplementation. Lysine is necessary for the production of all proteins in the body, and is required for the maintenance of the structural proteins collagen and elastin, which form all connective tissue such as...
NAC, 600 mg, 100 Veg Capsules (Now Foods)NAC, 600 mg, 100 Veg Capsules (Now Foods)

English version NAC, 600 mg, 100 Veg Capsules (Now Foods)


NAC, 600 mg, 100 Veg Capsules (Now Foods) contains Sodium Molybdate, L-Selenomethionine, L-Cysteine and Acetylcysteine. NAC, 600 mg, 100 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...
Muscle BCAA, 2,500 mg, 120 Veggie Capsules (Zhou Nutrition)Muscle BCAA, 2,500 mg, 120 Veggie Capsules (Zhou Nutrition)

English version Muscle BCAA, 2,500 mg, 120 Veggie Capsules (Zhou Nutrition)


Muscle BCAA, 2,500 mg, 120 Veggie Capsules (Zhou Nutrition) contains Valine, L-Isoleucine and L-Leucine. Muscle BCAA, 2,500 mg, 120 Veggie Capsules (Zhou Nutrition) is available in many countries around the world.

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Heading back to the gym when you’re still feeling sore is the worst. So we created Muscle BCAA to help your muscles recover quickly and efficiently. By using the branched chain amino acids trifecta—leucine, isoleucine, and valine (muscle-mending amino acids), our formula is designed to support...
L-Tryptophan, 500 mg, 120 Veg Caps (Now Foods)L-Tryptophan, 500 mg, 120 Veg Caps (Now Foods)

English version L-Tryptophan, 500 mg, 120 Veg Caps (Now Foods)


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

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L-Tryptophan is an essential amino acid; therefore, it is not synthesized by the body and must be obtained from the diet. L-Tryptophan is critical for the production of serotonin and melatonin, which help to support a positive mood, healthy sleep patterns, and proper immune system function. Every...
L-Glutamine, 500 mg, 120 Veg Capsules (Now Foods)L-Glutamine, 500 mg, 120 Veg Capsules (Now Foods)

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


L-Glutamine, 500 mg, 120 Veg Capsules (Now Foods) contains L-Glutamine. L-Glutamine, 500 mg, 120 Veg 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...
ACUTS, Amino-Charged Energy Drink, Blue Raspberry, 7.4 oz (210 g) (ALLMAX Nutrition)ACUTS, Amino-Charged Energy Drink, Blue Raspberry, 7.4 oz (210 g) (ALLMAX Nutrition)

English version ACUTS, Amino-Charged Energy Drink, Blue Raspberry, 7.4 oz (210 g) (ALLMAX Nutrition)


ACUTS, Amino-Charged Energy Drink, Blue Raspberry, 7.4 oz (210 g) (ALLMAX Nutrition) contains Green Coffee, Lysine, L-Lysine Hydrochloride, Histidine, L-Glutamine, Taurine, Valine, L-Threonine, L-Isoleucine ... and many others. ACUTS, Amino-Charged Energy Drink, Blue Raspberry, 7.4 oz (210 g) (ALLMAX Nutrition) is available in many countries around the world.

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Purpose: Formulated to provide Energy, Focus and Diet Support in conjunction with a Sensible Diet, Exercise and / or Physical Activity.
Taurine, Pure Powder, 8 oz (227 g) (Now Foods)Taurine, Pure Powder, 8 oz (227 g) (Now Foods)

English version Taurine, Pure Powder, 8 oz (227 g) (Now Foods)


Taurine, Pure Powder, 8 oz (227 g) (Now Foods) contains Taurine. Taurine, Pure Powder, 8 oz (227 g) (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 and aiding the transport of potassium, sodium, calcium and magnesium...
GABA, 750 mg, 100 Veg Capsules (Now Foods)GABA, 750 mg, 100 Veg Capsules (Now Foods)

English version GABA, 750 mg, 100 Veg Capsules (Now Foods)


GABA, 750 mg, 100 Veg Capsules (Now Foods) contains Gamma-Aminobutyric Acid. GABA, 750 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.
Mood Support with St. John's Wort, 90 Veg Capsules (Now Foods)Mood Support with St. John's Wort, 90 Veg Capsules (Now Foods)

English version Mood Support with St. John's Wort, 90 Veg Capsules (Now Foods)


Mood Support with St. John's Wort, 90 Veg Capsules (Now Foods) contains St. John’s Wort, Valerian, Magnesium Oxide, Manganese Glycinate, Thiamine, Thiaminhydrochloride, Nicotinic Acid, D-Pantothenic Acid, Calcium Pantothenate ... and many others. Mood Support with St. John's Wort, 90 Veg Capsules (Now Foods) is available in many countries around the world.

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NOW Mood Support is a nutritional supplement that has both nutrients and herbal extracts that aid in the support of a healthy nervous system and a positive, balanced mood state.

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.