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Items 121 to 144 of 325 total
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L-Lysine  
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L-Lysine - Source Naturals
          L-Lysine is an essential free-form amino acid which acts as a precursor for several other amino acids, including L-carnitine (needed for fat metabolism). L-Lysine is crucial to the formation of collagen, a major part of the body's connective tissues. L-Lysine also contributes to energy production when converted to acetyl coenzyme A, one of the principal fuels for the Krebs Cycle.
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50 tablet, 500 mg:   $3.69 Add to Cart
50 tablet, 1000 mg:   $4.09 Add to Cart
100 tablet, 500 mg:   $5.05 Add to Cart
100 capsule, 500 mg:   $5.05 Add to Cart
3.5 oz:   $5.05 Add to Cart
100 tablet, 1000 mg:   $7.39 Add to Cart
200 capsule, 500 mg:   $8.99 Add to Cart
250 tablet, 500 mg:   $12.15 Add to Cart
200 tablet, 1000 mg:   $13.03 Add to Cart
3 x 100 tablet, 1000 mg:   $18.74 Add to Cart
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L-Methionine  
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L-Methionine - Source Naturals
          L-Methionine is an essential sulfur-containing, free-form amino acid. It contributes to the synthesis of S-adenosyl-L-methionine (SAMe), which is neccessary for normal brain function, and L-cysteine, which is a component of glutathione, an important antioxidant molecule in the body. Methionine is also a transporter of the antioxidant mineral, selenium.
 
Suggested: $22.98
$11.99
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L-Ornithine  
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L-Ornithine - Source Naturals
          L-Ornithine, a free-form crystalline amino acid, is a precursor of arginine, which is necessary for the synthesis of creatine, an important energy provider for muscles. In addition, L-Ornithine is a key compound in the urea cycle, one of the body's main processes for eliminating ammonia.
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50 capsule:   $6.98 Add to Cart
3.5 oz:   $12.79 Add to Cart
100 capsule:   $13.15 Add to Cart
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L-Phenylalanine  
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L-Phenylalanine - Source Naturals
          L-Phenylalanine, an essential amino acid, is a precursor of the amino acid tyrosine, and to a whole series of neurotransmitters and hormones. Phenylalanine is first converted to tyrosine, which becomes L-dopa, which converts to norepinephrine, a key neurotransmitter and an adrenal hormone. L-Phenylalanine is also a direct precursor of PEA (Phenylethylamine), another important neurotransmitter.
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50 tablet:   $4.09 Add to Cart
100 tablet:   $6.89 Add to Cart
3.5 oz:   $15.08 Add to Cart
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L-Proline/L-Lysine  
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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]
 
Suggested: $21.98
$11.57
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L-Proline Powder  
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L-Proline Powder - Source Naturals
          L-Proline is an amino acid involved in the production of collagen and cartilage and may help support healthy joints and a healthy musculoskeletal system. L-Proline can be made in the body, but low protein/vegetarian diets may not always promote optimal production.
 
Suggested: $13.98
$7.36
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L-Theanine  
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L-Theanine - Source Naturals
          L-Theanine is a unique amino acid found almost exclusively in the tea plant (Camellia sinensis) and is the primary ingredient contributing to the unusual taste of green tea. Animal studies have shown that L-theanine crosses the blood brain barrier, increases dopamine and GABA levels in the brain, and inhibits the stimulatory properties of caffeine. Human studies have shown that taking L-theanine r... [Read More]
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30 Tablet:   $9.58 Add to Cart
30 capsule:   $9.10 Add to Cart
60 tablet:   $15.99 Add to Cart
60 capsule:   $16.49 Add to Cart
120 capsule:   $32.49 Add to Cart
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L-Tryptophan  
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L-Tryptophan - Source Naturals
          The essential amino acid l-tryptophan helps support relaxation, restful sleep, and positive mood. It plays a part in the synthesis of both melatonin and serotonin, hormones involved with mood and stress response and sleep/wake cycles. l-Tryptophan also supports immune functions because it is the body s precursor to the kynurenines that regulate immunity. If needed, l-tryptophan converts to ni... [Read More]
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8 tablet:   $2.71 Add to Cart
30 capsule:   $6.51 Add to Cart
30 Tablet:   $6.30 Add to Cart
60 capsule:   $11.50 Add to Cart
60 tablet:   $11.49 Add to Cart
90 capsule:   $16.99 Add to Cart
120 capsule:   $21.90 Add to Cart
50 gram:   $20.52 Add to Cart
120 tablet:   $26.49 Add to Cart
100 gram:   $40.00 Add to Cart
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L-Tryptophan with Coenzyme B-6  
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L-Tryptophan with Coenzyme B-6 - Source Naturals
          The essential amino acid L-tryptophan helps support relaxation, restful sleep, and a positive outlook. It plays a part in the synthesis of both melatonin and serotonin, hormones involved with mood and stress response. This tryptophan includes the activated coenzyme form of vitamin B-6, called P-5-P, that is required to convert tryptophan to serotonin. L-Tryptophan also supports immune functions be... [Read More]
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30 Tablet:   $19.88 Add to Cart
60 tablet:   $11.49 Add to Cart
120 tablet:   $22.39 Add to Cart
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L-Tyrosine  
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L-Tyrosine - Source Naturals
          L-Tyrosine is a free-form amino acid which rapidly crosses the blood-brain barrier. It is a precursor for the neurotransmitters dopamine, norepinephrine and epinephrine, for thyroid hormones, and for enkephalins, special peptides which subdue messages of physical discomfort. L-Tyrosine is also a precursor for the protective skin pigment melanin.
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50 tablet:   $4.19 Add to Cart
100 tablet:   $8.49 Add to Cart
3.5 oz:   $10.99 Add to Cart
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Lecithin  
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Lecithin - Source Naturals
          Lecithin is a natural substance found in cell membranes and is manufactured in the liver from dietary choline. It contains a mixture of phosphatides, including phosphatidyl choline, an important precursor to the main neurotransmitter, acetylcholine. In addition, the body utilizes lecithin both for the proper formation of bile (the body's main emulsifying compound), and as an emulsifying agent itse... [Read More]
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100 gelcap:   $4.96 Add to Cart
200 gelcap:   $8.95 Add to Cart
500 gelcap:   $20.70 Add to Cart
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Life Force Multiple  
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Life Force Multiple - Source Naturals
          Life Force Multiple, the most complete daily formula available, is scientifically Bio-Aligned to deliver essential cellular energy and balance to vital systems and organs. For lifelong support to your brain, skin, eyes, immune, circulatory, antioxidant and energy systems, take LIFE FORCE and join the Wellness Revolution of preventive health care.
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30 Tablet:   $7.88 Add to Cart
60 capsule:   $9.39 Add to Cart
60 tablet:   $13.03 Add to Cart
120 capsule:   $15.59 Add to Cart
90 tablet:   $19.17 Add to Cart
120 tablet:   $25.30 Add to Cart
180 tablet:   $37.56 Add to Cart
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Liver Guard  
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Liver Guard - Source Naturals
          This product has been specially formulated to provide nutrients essential for healthy liver function.
 
Suggested: $32.50
$16.79
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Lutein  
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Lutein - Source Naturals
          Lutein is a potent antioxidant carotenoid found in abundance in fruits and green leafy vegetables. Lutein is also one of the dominant pigments found in the macular region of the retina in the eye. In the macula, lutein is selectively accumulated from plasma and filters out visible blue light. Recent studies suggest this filtering process serves to protect the retina from photic damage or other oxi... [Read More]
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45 capsule:   $5.49 Add to Cart
30 capsule:   $8.95 Add to Cart
90 capsule:   $9.97 Add to Cart
60 capsule:   $17.12 Add to Cart
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Lycopene  
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Lycopene - Source Naturals
          Lycopene is a carotenoid pigment which gives tomatoes their red color and has been the focus of recent scientific research. Lycopene is one of the four main carotenoids normally found in human blood and tissue. Studies show that lycopene is a scavenger of singlet oxygen, offering powerful antioxidant protection. The body cannot convert lycopene into vitamin A; thus lycopene is reserved exclusively... [Read More]
 
Suggested: $34.98
$18.99
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Maca  
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Maca - Source Naturals
          Source Naturals Maca is a standardized extract of this hardy and highly valued plant. Maca is grown at high elevations in the Andes region of central Peru using no fertilizers or pesticides. It has been used for centuries by indigenous Peruvians as a food source and based upon traditional Peruvian folk belief, for increasing stamina and energy. Because of this traditional use, maca has been called... [Read More]
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30 Tablet:   $4.18 Add to Cart
60 tablet:   $6.30 Add to Cart
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Magnesium Ascorbate  
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Magnesium Ascorbate - Source Naturals
          Magnesium Ascorbate is nonacidic (pH neutral) and gentle on the digestive system. Vitamin C plays a vital role in collagen formation, amino acid metabolism, hormone synthesis, and the body's immune system. Magnesium is an essential mineral, playing a key role in over 300 enzymatic reactions in metabolism. These reactions include those involved in the Krebs cycle (one of the body's main energy prod... [Read More]
 
Suggested: $19.50
$9.99
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Magnesium Citrate  
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Magnesium Citrate - Source Naturals
          Stress may interfere with the body's ability to absorb magnesium, so make sure your body has the optimal quantities. Magnesium Citrate is a highly absorbable form of magnesium, a profoundly important mineral that supports the body's bones, energy production, and glucose balance. Optimal intake of magnesium is essential to support relaxation and calming. Further, magnesium supports proper muscle fu... [Read More]
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90 capsule:   $5.61 Add to Cart
180 capsule:   $10.48 Add to Cart
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Magnesium Malate  
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Magnesium Malate - Source Naturals
          Source Naturals Magnesium Malate is a compound of magnesium and malic acid. Malic acid is a natural fruit acid that is present in most cells in the body and is an important component of numerous enzymes key to ATP synthesis and energy production. Magnesium is an essential mineral in over 300 enzymatic reactions in metabolism. Preliminary studies suggest that magnesium malate supports the body's ow... [Read More]
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90 tablet:   $5.29 Add to Cart
100 capsule:   $5.57 Add to Cart
180 tablet:   $10.06 Add to Cart
200 capsule:   $10.99 Add to Cart
360 tablet:   $19.99 Add to Cart
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Magnesium Serene  
MAP
Magnesium Serene - Source Naturals
          The daily stress of modern life can take its toll on our health. Magnesium is one of the most important minerals for obtaining deep relaxation and maintaining overall wellness. While many are familiar with its roles in heart health, bone strength, and a healthy immune system, fewer people are aware of magnesium's role in muscle relaxation and nervous system balance. During times of stress, magnesi... [Read More]
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5 oz, Berry:   $7.14 Add to Cart
5 oz, Tangerine:   $7.14 Add to Cart
9 oz, Berry:   $12.13 Add to Cart
9 oz, Tangerine:   $11.74 Add to Cart
17.6 oz, Berry:   $23.49 Add to Cart
17.6 oz, Tangerine:   $22.47 Add to Cart
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Mangosteen  
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Mangosteen - Source Naturals
          From the jungles of Southeast Asia comes an exciting plant that is extremely important for today's health. Laboratory tests have shown that the rind of the rare, tropical mangosteen contains a highly potent antioxidant called xanthone that offers powerful immune support. Mangosteen's effective antioxidants help protect your body against 21st century environmental and lifestyle toxins.
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30 Tablet:   $4.99 Add to Cart
60 tablet:   $8.17 Add to Cart
120 tablet:   $16.57 Add to Cart
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Mastic Gum Extract  
MAP
Mastic Gum Extract - Source Naturals
          Mastic gum, a natural resin from the Pistacia lentiscus tree of Greece, has been used traditionally by Mediterranean cultures to support gastrointestinal health. Source Naturals Mastic Gum Extract is standardized to 35% masticonic acids, which are the active compounds shown to support the lining of the stomach and the duodenum, and the body's own response to imbalances.
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30 capsule:   $15.31 Add to Cart
60 capsule:   $28.99 Add to Cart
120 capsule:   $76.14 Add to Cart
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Mega Chromium Picolinate  
MAP
Mega Chromium Picolinate - Source Naturals
          Chromium is a trace element which may work closely with insulin to facillitate the uptake of glucose into cells. Chromax brand of chromium picolinate is a compound of trivalent chromium and picolinic acid. Chromium picolinate is patented by the U.S.D.A. and licensed exclusively to Nutrition 21 under U.S. Patent Re. 33,988.
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60 tablet:   $4.36 Add to Cart
120 tablet:   $7.41 Add to Cart
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Mega-One Multiple  
MAP
Mega-One Multiple - Source Naturals
          Mega-One is a potent one-tablet-a-day multi-vitamin.
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30 Tablet, with Iron:   $4.89 Add to Cart
30 Tablet, no Iron:   $6.42 Add to Cart
60 tablet, with Iron:   $9.18 Add to Cart
60 tablet, no Iron:   $9.27 Add to Cart
90 tablet, with Iron:   $21.39 Add to Cart
90 tablet, no Iron:   $13.66 Add to Cart
180 tablet, with Iron:   $27.50 Add to Cart
180 tablet, no Iron:   $26.83 Add to Cart
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