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Displaying 1 to 15 of 902 products View: Showcase | List 1  |  2  |  3  |  4  |  5    Next >    [61]
L-Arginine L-Ornithine L-Lysine  
L-Arginine L-Ornithine L-Lysine - Good N' Natural
          Good 'N Natural's L-Arginine/L-Ornithine/L-Lysine dynamic product is made up of three of the most popular amino acids for exercise supplementation. L-Arginine is an important building block of protein, while L-Ornithine is involved in metabolism.** L-Lysine is an essential amino acid used for the production of collagen.**Together, these ingredients give you an excellent amino acid foundation that ... [Read More]
  Suggested: $9.50

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$4.99

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L-Arginine & L-Ornithine Fuel  
L-Arginine & L-Ornithine Fuel - Twinlab
          Twinlab L-Arginine and L-Ornithine delivers 2 complementary free form amino acids in one easy to swallow capsule. L-Arginine is a precursor of nitric oxide, which increases blood flow and may aid in the delivery of important nutrients to working muscles and assist with metabolic waste product removal. L-Ornithine is synthesized from Arginine and is a precursor of citrulline, proline and glutamic a... [Read More]
  Suggested: $31.33

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$14.89

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L-Carnitine with CoQ-10 plus L-Arginine  
L-Carnitine with CoQ-10 plus L-Arginine - Dynamic Health
           All Natural Ingredients 100% Pure Liquid Formula Readily Absorbable Boost Energy Level Improves General Metabolism Help Strengthen Bones & Teeth Helps Heart & Muscle Functions Strengthen The Immune System Aids in the weight loss process Dynamic Health Laboratories' unique blend of Liquid L-Carnitine, CoQ-10 and L-Arginine is a delicious way to promote the activity of free radical scavenging a... [Read More]
  Suggested: $22.79

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$15.89

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L-Arginine & L-Ornithine  
L-Arginine & L-Ornithine - Twinlab
          TwinLab L-Arginine & L-Ornithine capsules are easier to swallow and assimilate. Well tolerated by most highly allergic individuals.No tablet binders, coating or colorings.Free of most common allergens such as corn, yeast, rice, barley, wheat, lactose (milk sugar) and all milk, citrus, fish and egg products.No added flavorings, sugars, salt, artificial sweeteners, colorings, preservatives or salicy... [Read More]
  Suggested: $23.95

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$13.39

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L-Arginine L-Citrulline Complex  
MAP
L-Arginine L-Citrulline Complex - Source Naturals
          L-Arginine and L-citrulline are two amino acids bundled into a single powerful supplement. L-Arginine is an important factor in muscle metabolism and is a precursor for nitric oxide, which promotes increased circulation by relaxing blood vessels. L-Citrulline helps the body rid itself of ammonia, a by-product of exercise. This clearing enables the body to recover after a workout.
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10 tablet:   $2.09 Add to Cart
60 tablet:   $8.89 Add to Cart
120 tablet:   $14.73 Add to Cart
240 tablet:   $28.42 Add to Cart
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Acetyl L-Carnitine Arginate  
Acetyl L-Carnitine Arginate - Jarrow Formulas
          Jarrow Formuals Acetyl-L-Carnitine Arginate is a novel molecular combination of the amino acids Acetyl-L-Carnitine and L-Arginine. Acetyl-L-Carnitine is a more bioavailable form of L-carnitine, an amino acid found in high concentration in human brain, nerve, heart, liver and sperm cells. Acetyl-L-Carnitine supports energy production, via the metabolism of fatty acids to yield the universal energy ... [Read More]
  Suggested: $39.95

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Acetyl L-Carnitine  
Acetyl L-Carnitine - Jarrow Formulas
          Jarrow Formulas Acetyl-L-Carnitine is an amino acid found in high concentration in human brain, nerve, heart, liver and sperm cells. Jarrow Formuals Acetyl L-Carnitine supports energy production via the metabolism of fatty acids to yield the universal energy molecule ATP. As an antioxidant, Acetyl-L-Carnitine helps to protect neurons from damage caused by superoxide radicals. Biosint is a trademar... [Read More]
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60 capsule, 250 mg:   $9.89 Add to Cart
60 capsule, 500 mg:   $13.99 Add to Cart
120 capsule, 250 mg:   $14.49 Add to Cart
120 capsule, 500 mg:   $21.89 Add to Cart
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Acetyl-L-Carnitine  
Acetyl-L-Carnitine - Doctor's Best
          Doctor's Best Acetyl-L-Carnitine (ALC) is a naturally occurring form of L-Carnitine, a vitamin-like nutrient synthesized in the body from the amino acids lysine and methionine. ALC plays a key role in the production of acetylcholine, an important neurotransmitter for brain and nerve cell function. The Acetyl-L-Carnitine in this product is derived from a base of pharmaceutical grade L-Carnitine man... [Read More]
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60 capsule:   $13.49 Add to Cart
120 capsule:   $24.49 Add to Cart
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L-Arginine  
MAP
L-Arginine - Source Naturals
          L-Arginine is a crystalline, free-form amino acid. It is an important factor in muscle metabolism and works to transport, store, and excrete nitrogen. It is a precursor for nitric oxide, which promotes increased circulation by relaxing blood vessels.
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50 tablet:   $3.99 Add to Cart
100 tablet:   $6.88 Add to Cart
3.53 oz:   $8.75 Add to Cart
200 tablet, 500 mg:   $12.99 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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$19.49

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L-Carnitine Fumarate  
L-Carnitine Fumarate - Doctor's Best
          Doctor's Best Best L-Carnitine Fumarate helps the body burn fat for energy and maintain normal cardiovascular health. L-Carnitine is a nutrient that promotes energy production in cells by transporting fatty acids into the mitochondrion, an intracellular structure that generates metabolic energy in the form of ATP. In this role, L-carnitine helps the body efficiently metabolize fat. Fumarate is a n... [Read More]
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60 capsule:   $14.99 Add to Cart
180 capsule:   $39.49 Add to Cart
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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-Carnitine Liquid  
L-Carnitine Liquid - 4AllVitamins
          L-carnitine is a non-essential amino acid that can be synthesized in the body from the amino acids methionine and lysine. Insufficient amounts may be produced in infants, in adolescents and in adults under certain physiological conditions. Vegetarians could also be at risk for carnitine deficiency, as carnitine is found in higher concentrations in animal foods such as beef, poulty and pork. The am... [Read More]
  Suggested: $21.95

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$10.99

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Acetyl L Carnitine Arginate  
Acetyl L Carnitine Arginate - Life Extension
          A major cause of aging is reduction in the energy-producing components of the cell, resulting in reduced cellular metabolic activity and the accumulation of cellular debris. L-carnitine helps maintain cellular energy metabolism by assisting in the transport of fat through the cell membrane and into the mitochondria within the cell, where fats are oxidized to produce the cellular energy ATP. ... [Read More]
  Suggested: $64.24

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L-Carnitine Liquid
L-Carnitine Liquid
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