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Displaying 76 to 90 of 871 products View: Showcase | List [1]    < Previous    4  |  5  |  6  |  7  |  8    Next >    [59]
L-Proline/L-Lysine  
MAP
L-Proline/L-Lysine - Source Naturals
          L-Lysine is one of the 9 essential amino acids that cannot be made in the body. It is the basic raw material for carnitine synthesis. L-Proline can be made in the body, but low protein/vegetarian diets may not always promote optimal L-proline production. L-Lysine and L-proline amino acids are the precursors of hydroxylysine (HL), and hydroxyproline (HP), two constituents of collagen. Collagen is a... [Read More]
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60 tablet:   $6.30 Add to Cart
120 tablet:   $11.57 Add to Cart
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Suntheanine L-Theanine  
Suntheanine L-Theanine - Doctor's Best
          Doctor's Best Suntheanine L-Theanine contains 100% Suntheanine, a patented pure form of the amino acid L-theanine produced in Japan from green tea leaves. This award-winning brand of theanine has been the subject of numerous safety studies and human clinical trials. One of green tea's natural health-promoting compounds, L-theanine (y-glutamylethylamide) is synthesized in the roots of tea plants an... [Read More]
  Suggested: $28.99

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L-Tryptophan  
L-Tryptophan - Doctor's Best
          Doctor's Best L-Tryptophan products contain Ajinomoto TryptoPure. Tryptophan is an essential amino acid readily converted by the body to the neurotransmitter serotonin. Able to cross the blood-brain barrier, L-tryptophan is altered by enzymes to first form the intermediate amino acid 5-HTP and then serotonin. It is also the metabolic precursor to melatonin and to the B vitamin niacin. Supplementin... [Read More]
  Suggested: $33.99

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$22.99

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Sustained Plus Immediate Release L-Arginine  
Sustained Plus Immediate Release L-Arginine - Doctor's Best
          Doctor's Best Sustained plus Immediate Release L-Arginine contains this conditionally essential amino acid in a bilayer tablet, with two tablets providing 500 mg of sustained release and 500 mg of immediate release L-arginine in a formula that allows for enhanced blood levels of this nutrient. Most supplemental L-arginine is quickly absorbed into circulation and is extremely efficiently metabolize... [Read More]
  Suggested: $29.99

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$19.63

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L-Lysine  
L-Lysine - Jarrow Formulas
          Jarrow Formulas presents L-Lysine. Jarrow Formulas L-Lysine is an amino acid for protein metabolism. Jarrow Formulas L-Lysine contains 500 mg. of L-Lysine. Jarrow Formulas L-Lysine does not contain wheat, gluten, soy, dairy, egg, fish/shellfish, peanuts/tree nuts. Jarrow Formulas L-Lysine is an essential amino acid necessary for growth, development, tissue maintenance and repair. Jarrow Formulas L... [Read More]
  Suggested: $9.95

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$5.79

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L-Arginine  
L-Arginine - Healthy Origins
          Healthy Origins L-Arginine is a unique formulation that utilizes a sustained release delivery system specifically manufactured to release the L-Arginine continuously over a 5-7 hour period. L-arginine is an amino acid that has numerous functions in the body. It helps the body get rid of ammonia (a waste product), is used to make compounds in the body such creatine, L-glutamate and L-proline, and... [Read More]
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180 tablets:   $21.89 Add to Cart
360 tablets:   $42.99 Add to Cart
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L-Glutamine Powder  
L-Glutamine Powder - 4AllVitamins
          L-Glutamine is a conditionally essential amino acid. The average healthy person can usually make enough glutamine to meet biological needs. A shortage of glutamine may arise when there is disease, injury or other physiological abnormality that increases the body s requirement for glutamine. Glutamine is essential for the metabolism, structure, and function of the gastrointestinal tract and... [Read More]
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300 gram:   $14.89 Add to Cart
500 gram:   $18.99 Add to Cart
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L-Tryptophan  
L-Tryptophan - Jarrow Formulas
          Jarrow Formulas L-Tryptophan is an essential amino acid and hence cannot be synthesized by the body, but must be obtained from food or supplements. Because L-tryptophan is converted to serotonin (5-hydroxytryptamine) and melatonin in the body, it plays an important role in promoting relaxation, restful sleep and positive mood. Jarrow Formulas L-Tryptophan may also help in reducing carbohydrate cra... [Read More]
  Suggested: $21.95

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L-Phenylalanine  
L-Phenylalanine - Anabol Naturals
          L-Phenylalanine for Athletic Performance, Longevity and Healthy Aging Anabol Naturals L-Phenylalanine is a pharmaceutical grade pure crystalline free from amino acid that is a precursor of L-Tyrosine and various neurotransmitters and hormones. L-Phenylalanine is converted to L-Tyrosine, which then becomes L-Dopa. L-Dopa is then converted to epinephrine and norepinephrine, key neurotransmitte... [Read More]
  Suggested: $19.95

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L-Glutamine Crystalline Powder  
L-Glutamine Crystalline Powder - Anabol Naturals
          L-Glutamine for Athletic Performance, Longevity and Healthy Aging Anabol Naturals L-Glutamine is a pharmaceutical grade pure crystalline, free form amino acid. L-Glutamine is the most abundant amino acid in plasma and muscle. This brain nutrient sharpens mental function and acuity. It plays an important role in supporting the immune system and the digestive tract.. L-Glutamine is an energy so... [Read More]
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100 gram:   $11.49 Add to Cart
500 gram:   $37.79 Add to Cart
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L-Theanine  
L-Theanine - Futurebiotics
          Futurebiotics L-Theanine is an amino acid that is found almost exclusively in tea and is responsible for the exotic taste of green tea. Features clinically-proven Suntheanine L-Theanine. Suntheanine is not extracted from green tea, but instead is produced through a unique, patented, fermentation process that mimics the natural process in green tea leaves, resulting in pure L-isomer-theanine. In f... [Read More]
  Suggested: $28.95

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$17.49

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L-Glutamine  
L-Glutamine - Anabol Naturals
          L-Glutamine for Athletic Performance, Longevity and Healthy Aging Anabol Naturals L-Glutamine is a pharmaceutical grade pure crystalline, free form amino acid. L-Glutamine is the most abundant amino acid in plasma and muscle. This brain nutrient sharpens mental function and acuity. It plays an important role in supporting the immune system and the digestive tract.. L-Glutamine is an energy so... [Read More]
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100 capsule:   $8.99 Add to Cart
500 capsule:   $44.79 Add to Cart
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L-Arginine  
L-Arginine - Natrol
           Nitric Oxide Precursor for Vascular Support* Promotes Immune Function* Supports Muscle Metabolism* The amino acid L-Arginine has several major functions in the body, including as a precursor of nitric oxide (NO). This chemical messenger plays a vital role in vasodilatation, relaxation of smooth muscle cells within arterial blood vessels. Dietary L-Arginine provides the nitrogen our bodies u... [Read More]
  Suggested: $10.99

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$6.79

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L-Theanine  
MAP
L-Theanine - Natural Factors
          L-theanine is an amino acid found in green tea. Studies show that L-Theanine produces tranquilizing effects in the brain without drowsiness. It calms by helping to increase alpha-brain wave activity, the electrical brain activity commonly present when you are very relaxed. By diminishing feelings of stress, worry and anxiety, L-Theanine may help improve mental focus, learning and concentration. Si... [Read More]
  Suggested: $25.95

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$20.97

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L-Tyrosine  
L-Tyrosine - Jarrow Formulas
          Jarrow Formulas L-Tyrosine is utilized for the synthesis of catecholamine neurotransmitters, such as norepinephrine, epinephrine and dopamine. Jarrow Formulas L-Tyrosine 500 contains pure crystalline L-Tyrosine. Jarrow Formulas L-Tyrosine Highlights: Brain neurotransmitter precursor e.g. Dopamine, epinephrine and norepinephrine Supports cognitive and physical performance Enhances arousal, foc... [Read More]
  Suggested: $13.50

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$7.99

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Displaying 76 to 90 of 871 products [1]    < Previous    4  |  5  |  6  |  7  |  8    Next >    [59]
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