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L-Lysine



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L-Lysine

500mg 250 tabs, Source Naturals
L-Lysine | 500mg | 250 tabs Source Naturals


From $8.14 
49% Off
 $9.58 
40% Off


L-Lysine bu Source Naturals is an essential amino acid that supports healthy metabolism, healthy connective tissues, and calcium absorbtion. It helps lower choletserol and improves overall health. skin lesions

L-Lysine Powder

(1 lb.), NOW Foods
L-Lysine Powder (1 lb.) NOW Foods


From $12.94 
41% Off
 $15.22 
30% Off


L-Lysine is an essential amino acid, which means your body cannot manufacture it. It must be obtained through the diet or by supplementation. Lysine is one of the most well known amino acids and is an essential component of all proteins. NOW Foods

L-Lysine 500mg

(100 caps), NutriCology
L-Lysine 500mg (100 caps) NutriCology


From $8.18 
44% Off
 $9.62 
34% Off


Hypoallergenic Free Form Amino Acid Well Tolerated

L-Lysine and L-Proline

(120 capsules), Roex
L-Lysine and L-Proline (120 capsules) Roex


From $11.99 
31% Off
 $14.10 
19% Off


L-proline and L-lysine are essential for the manufacture of hormones, enzymes, cellular messaging and helps boost the immune system 120 capsules

L-Lysine

(1,000 mg-100 tabs), Source Naturals
L-Lysine (1,000 mg-100 tabs) Source Naturals


From $5.59 
49% Off
 $6.58 
40% Off


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. Source Naturals

L-Lysine 500 mg

(100 Tabs), NOW Foods
L-Lysine 500 mg (100 Tabs) NOW Foods


From $4.11 
41% Off
 $4.83 
30% Off


Essential Amino Acid Pharmaceutical Grade (USP) Supports Membrane Health Vegetarian Formula L-Lysine is an essential amino acid, which means that it cannot be manufactured by the body. ; It must be obtained through the diet or by supplementation. ; Lysine is one of the most well known amino acids and is an essential component of proteins. Benefits

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Amino Complete

(120 Caps), NOW Foods
Amino Complete (120 Caps) NOW Foods


From $8.23 
41% Off
 $9.68 
30% Off


Balanced Blend of Amino Acids NOW Amino Complete contains a balanced blend of the following essential and non-essential amino acids: L-Alanine, L-Arginine, L-Aspartic Acid, L-Cysteine, L-Glutamic Acid, L-Glycine, L-Histidine, L-Isoleucine, L-Leucine, L-Lysine, L-Methionine, L-Ornithine, L-Phenylalanine, L-Proline, L-Serine, L-Threonine, L-Tryptophan, L-Tryosine and L-Valine. Benefits

Acetyl-L-Carnitine

(500 mg, 100 caps), Life Extension
Acetyl-L-Carnitine (500 mg, 100 caps)* Life Extension


Less than $25.50 
Too low to show!
 $25.50 
25% Off


Acetyl-l-carnitine is an amino acid shown to lower the increased oxidative stress often associated with aging. Brain Health
MaxiVision | Advanced Nutritional Supplements for Healthy Vision | see Ocuvite
Maxivision Whole Body Formula. Maxivision Ocular Formula. Advanced vision support including Lutein 20mg, Zeaxanthin, CoQ10, Acetyl-L-Carnitine, Green Tea Extract and Resveratrol.
Review
L-arginine and l-irthinine combination helps one's growth and that's why i have chosen it. Hope thst,it will help me a lot...
Review
l arginine is best ever amino acid. i want to utilizi it ...

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L-ArginineL-Ornithine

(100 Capsules), TwinLab
L-Arginine/L-Ornithine (100 Capsules) TwinLab


From $15.09 
42% Off
 $17.75 
32% Off


TWINLAB brings you products that are based on the latest science, and are manufactured to the highest level pharmaceutical standards. Vitamins, Minerals, Sports Nutrition Products, Special Formulas & Amino Acids. TWINLAB. Answers. For Life. L-ArginineL-Ornithine
Review
I have used Prostasol for several months, and this range of herbs have helped me to reduce the prostate cancer from 45 Ug/l to 8 Ug/l (Danish characters)

L-Tryptophan

(120 Caps), Craig Nutraceuticals
L-Tryptophan (120 Caps) Craig Nutraceuticals


From $42.46 
38% Off
 $49.95 
27% Off


Craig Nutraceuticals L-Tryptophan (120 Caps) is a supplement to aid the body in relaxation and recovery. 120 Caps

L-Tyrosine

(4 oz.), NOW Foods
L-Tyrosine (4 oz.) NOW Foods


From $11.97 
36% Off
 $14.08 
25% Off


Neurotransmitter Support Pharmaceutical Grade (USP) Supports Mental Alertness Healthy Glandular Function* L-Tyrosine is a non-essential amino acid that plays an important role in the production of neurotransmitters dopamine and norepinephrine. In addition, because L-Tyrosine is necessary for the synthesis of thyroid hormone and epinephrine (adrenaline), L-Tyrosine supports healthy glandular function and stress response.* Related Products Buy

Kyo-Dophilus

(180 capsules), Kyolic
Kyo-Dophilus (180 capsules) Kyolic


From $21.21 
35% Off
 $24.95 
24% Off


This Friendly Trio gives you relief from the inconvenience caused by bad bacteria. Promotes Healthy Intestinal Function

Kyo-Dophilus Tablets

(60 tabs), Kyolic
Kyo-Dophilus Tablets (60 tabs) Kyolic


From $11.01 
33% Off
 $12.95 
21% Off


Kyo-Dophilus Vegetarian contains specially cultured, non-dairy, heat-stable, stomach acid resistant, human strain of L. gasseri (formerly called L. acidophilus) bacteria. Suitable for All Ages

L-Arginine 500mg

(100 tabs), Seacoast Vitamins
L-Arginine 500mg (100 tabs) Seacoast Vitamins


From $8.42 
14% Off
 $9.90 

Seacoast Natural Foods L-Arginine is a supplement designed to speed recovery as with burns, injuries, and other wounds. Sunburn

L-Glutamine 500mg

(100 tabs), Seacoast Vitamins
L-Glutamine 500mg  (100 tabs) Seacoast Vitamins


From $8.97 
24% Off
 $10.55 
11% Off


Seacoast Natural Foods L-Glutamine contains 500 mg of the amino acid L-Glutamine. Weight Control

L-Carnitine 500mg

(60 caps), Seacoast Vitamins
L-Carnitine 500mg (60 caps) Seacoast Vitamins


From $13.76 
25% Off
 $16.19 
12% Off


A Dietary Supplement An Amino Acid L-Carnitine 500mg 60 Capsules High Cholesterol

L-Citrulline 500mg

(120 Caps), Source Naturals

From $15.28 
49% Off
 $17.98 
40% Off


L-Citrulline is a crystalline free-form amino acid that encourages healthy blood flow Improving Circulation

Acetyl L-Carnitine

(60 Vcaps), Nature's Way

From $15.26 
41% Off
 $17.95 
30% Off


Acetyl L-Carnitine is an amino acid which supports healthy mental function such as concentration and focus. Alzheimer's Disease

L-Glutamine 500

(500 grams), Metabolic Response Modifiers

From $35.31 
41% Off
 $41.54 
30% Off


MRM L-Glutamine helps feed the body with amino acids that your brain uses for fuel, your muscles use for recovery, and studies suggest could increase HGH levels significantly. Stimulating Growth Hormone

L-Glutamine 1000

(1 kilo), Metabolic Response Modifiers

From $52.96 
41% Off
 $62.31 
30% Off


L-Glutamine from MRM is a great way to reduce the stress on your body from workouts or just everyday wear and tear on your muscles, brain and digestion. Stimulating Growth Hormone

L-Carnitine

(500mg -60 Vtab), Metabolic Response Modifiers

From $15.68 
50% Off
 $18.45 
42% Off


L-Carnitine, an amino acid for your body, aids in energy production, cardiovascular health and weight management. Benefits

L-Glutamine Powder

(100 gm), Source Naturals

From $7.14 
48% Off
 $8.40 
39% Off


L-Glutamine is a free-form amino acid that can be converted to glutamic acid. Glutamic acid is a precursor to the important inhibitory neurotransmitter GABA (gamma-aminobutyric acid). L-Glutamine also plays an important role in ammonia disposal. Benefits

L-Arginine L-Citrulline Complex

(1,000 mg-240 tabs), Source Naturals

From $27.52 
49% Off
 $32.38 
40% Off


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. Source Naturals

L-Arginine L-Citrulline Complex

(1,000 mg-120 tabs), Source Naturals

From $14.26 
49% Off
 $16.78 
40% Off


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. Buy

Mega L-Carnitine

(60 tablets), TwinLab

From $24.61 
42% Off
 $28.95 
32% Off


TWINLAB brings you products that are based on the latest science, and are manufactured to the highest level pharmaceutical standards. Vitamins, Minerals, Sports Nutrition Products, Special Formulas & Amino Acids. TWINLAB. Answers. For Life. 60 tablets

Mega L-Carnitine

(90 tablets), TwinLab

From $34.38 
43% Off
 $40.45 
33% Off


TWINLAB brings you products that are based on the latest science, and are manufactured to the highest level pharmaceutical standards. Benefits

L-Glutamine Powder

(35.3 oz), NOW Foods

From $45.31 
35% Off
 $53.31 
23% Off


100% Pure - Free Form Highest Grade Available Supports Muscle Mass* Vegetarian Product Glutamine has recently been the focus of much scientific interest. A growing body of evidence suggests that during certain stressful times, the body may require more glutamine than it can produce. Under these circumstances glutamine may be considered a "conditionally essential" amino acid. Glutamine is involved in maintaining a positive nitrogen balance (an anabolic state) and also aids rapidly growing cells (immune system lymphocytes and intestinal cell enterocytes). In addition, glutamine isa regulator of acid-base balance and a nitrogen transporter.* NOW L-Glutamine Powder is a 100% pure, free-form, non-essential, amino acid and is the highest grade available. L-Glutamine, A Versatile Amino Acid Product FAQ's Related Products 35.3 oz

L-Tryptophan Powder

(2 oz.), NOW Foods

From $19.99 
41% Off
 $23.52 
30% Off


Supports Relaxation Pharmaceutical Grade (USP) Encourages Positive Mood Promotes Restful Sleep* Vegetarian Product L-Tryptophan is an essential amino acid important in human nutrition for the synthesis of melatonin and serotonin, hormones regulating mood and stress response. L-Tryptophan helps support relaxation, sleep, positive mood and immune function.* As an essential amino acid, it is not synthesized by the body and must be obtained fromt he diet. NOW L-Tryptophan is pharmaceutically pure - every lot is tested to be free of Peak E and microbial contamination. Benefits

Suntheanine L-Theanine

(150mg - 90 capsules), Doctor's Best

From $13.73 
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 $16.15 
42% Off


Suntheanine L-theanine is best known for its unique ability to increase relaxation without causing drowsiness. Buy

L-Optizinc

(100 Caps 30 mg), NOW Foods

From $4.69 
41% Off
 $5.52 
30% Off


Research has demonstrated this product to be better absorbed and retained longer compared to several other forms of zinc tested. Benefits

L-Glutamine

(500 mg 100 capsules), Life Extension

Less than $11.22 
Too low to show!
 $11.22 
24% Off


L-Glutamine is a free form amino acid which may aid in muscle recovery. Digestion

Acetyl L-Carnitine

(500 mg 120 capsules), Jarrow Formulas

From $25.88 
33% Off
 $30.45 
21% Off


One of the amino acids found in high concentration in human brain, nerve, liver and sperm cells, Acetyl-L-Carnitine is a more bioavailable form of L-Carnitine. 500 mg 120 capsules

Acetyl L-Carnitine

(500 mg 60 capsules), Jarrow Formulas

From $15.26 
33% Off
 $17.95 
21% Off


One of the amino acids found in high concentration in human brain, nerve, liver and sperm cells, Acetyl-L-Carnitine is a more bioavailable form of L-Carnitine. 500 mg 60 capsules

L-Carnosine

(500 mg 90 capsules), Jarrow Formulas

From $35.23 
33% Off
 $41.45 
21% Off


L-Carnosine supports healthy aging and cellular rejuvenation by its effects on two mechanisms: Glycation and Free Radical Damage. Benefits

L-Arginine

(1600 mg 3.53 oz), Source Naturals

From $8.14 
49% Off
 $9.58 
40% Off


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. Buy

L-Arginine 500 mg

(100 Caps), NOW Foods

From $7.06 
41% Off
 $8.31 
30% Off


Amino Acid Conditionally Essential Amino Acid Pharmaceutical Grade (USP) L-Arginine is a conditionally essential basic amino acid involved primarily in urea metabolism and excretion, as well as DNA synthesis. L-Arginine 500 mg

L-Arginine 500 mg

(250 Caps), NOW Foods

From $14.13 
41% Off
 $16.62 
30% Off


Amino Acid Conditionally Essential Amino Acid Pharmaceutical Grade (USP) L-Arginine is a conditionally essential basic amino acid involved primarily in urea metabolism and excretion, as well as DNA synthesis. Benefits

L-Arginine 1000 mg

(120 Tabs), NOW Foods

From $16.47 
41% Off
 $19.38 
30% Off


Double Strength Amino Acid Conditionally Essential Amino Acid Pharmaceutical Grade (USP) Vegetarian Formula L-Arginine is a conditionally essential basic amino acid involved primarily in urea metabolism and excretion as well as DNA synthesis. L-Arginine 1000 mg

L-Arginine

(1000 mg-100 tabs), Source Naturals

From $10.69 
49% Off
 $12.58 
40% Off


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. Buy

L-Glutamine

(500 mg-100 tabs), Source Naturals

From $6.63 
48% Off
 $7.80 
39% Off


L-Glutamine, a free-form amino acid, can be converted to glutamic acid. Glutamic acid is a precursor to the important inhibitory neurotransmitter GABA (gamma-aminobutyric acid). L-Glutamine also plays an important role in ammonia disposal. Benefits

L-Leucine

(500 mg-240 caps), Source Naturals

From $18.85 
49% Off
 $22.18 
40% Off


L-Leucine is an essential amino acid, specifically classified as a "branched-chain amino acid" (BCAA). BCAAs, especially leucine, stimulate muscle protein synthesis and may be the major fuel involved in anabolic reactions. This makes them especially important for body builders and other athletes in sports that demand explosive strength. Benefits

L-Phenylalanine

(500 mg-50 tabs), Source Naturals

From $3.44 
49% Off
 $4.05 
40% Off


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. Buy

L-Phenylalanine

(500 mg-100 tabs), Source Naturals

From $6.10 
49% Off
 $7.18 
40% Off


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. L-Phenylalanine

L-Cysteine

(500 mg 60 capsules), TwinLab

From $11.86 
43% Off
 $13.95 
33% Off


TWINLAB brings you products that are based on the latest science, and are manufactured to the highest level pharmaceutical standards. Vitamins, Minerals, Sports Nutrition Products, Special Formulas & Amino Acids. TWINLAB. Answers. For Life. TwinLab

L-Glutathione

(100 mg 60 capsules), TwinLab

From $13.56 
42% Off
 $15.95 
32% Off


TWINLAB brings you products that are based on the latest science, and are manufactured to the highest level pharmaceutical standards. Vitamins, Minerals, Sports Nutrition Products, Special Formulas & Amino Acids. TWINLAB. Answers. For Life. TwinLab

L-Arginine

(500 mg 100 capsules), TwinLab

From $9.14 
42% Off
 $10.75 
32% Off


TWINLAB brings you products that are based on the latest science, and are manufactured to the highest level pharmaceutical standards. Vitamins, Minerals, Sports Nutrition Products, Special Formulas & Amino Acids. TWINLAB. Answers. For Life. TwinLab

L-Methionine

(500 mg 30 capsules), TwinLab

From $6.33 
42% Off
 $7.45 
32% Off


TWINLAB brings you products that are based on the latest science, and are manufactured to the highest level pharmaceutical standards. Vitamins, Minerals, Sports Nutrition Products, Special Formulas & Amino Acids. TWINLAB. Answers. For Life. L-Methionine

L-Carnitine Liquid 3000 mg

(16 oz.), NOW Foods

From $23.53 
41% Off
 $27.68 
30% Off


Triple Strength Highest ;Grade ;Available Citrus Flavor Vegetarian Formula NOW L-Carnitine Liquid provides all of the extensive benefits of Carnitine in a highly absorbable liquid form. ; L-Carnitine is a non-essential amino acid that helps to maintain overall good health by facilitating the transfer of fatty acid groups into the mitochondrial membrane for cellular energy production.* ; It naturally occurs in red meat and other animal-source foods, but we recommend supplementation to obtain optimal levels of this excellent amino acid. ; NOW L-Carnitine is vegetarian (non-animal sourced) and the highest grade available. 16 oz.

L-Carnitine 1000 mg Liquid

(32 oz.), NOW Foods

From $23.50 
41% Off
 $27.65 
30% Off


Highest Grade Available Citrus Flavor Vegetarian Formula NOW L-Carnitine Liquid provides all of the extensive benefits of Carnitine in a highly absorbable liquid form. ; L-Carnitine is a non-essential amino acid that helps to maintain overall good health by facilitating the transfer of fatty acid groups into the mitochondrial membrane for cellular energy production.* ; It naturally occurs in red meat and other animal-source foods, but we recommend supplementation to obtain optimal levels of this excellent amino acid. ; NOW L-Carnitine is vegetarian (non-animal sourced) and the highest grade available. L-Carnitine 1000 mg Liquid

L-Carnitine 500 mg

(60 VCaps), NOW Foods

From $15.28 
41% Off
 $17.98 
30% Off


L-Carnitine is a non-essential amino acid that helps to maintain overall good health by facilitating the transfer of fatty acid groups into the mitochondrial membrane for cellular energy production. Benefits

L-Carnitine 500 mg

(180 Caps), NOW Foods

From $35.26 
41% Off
 $41.48 
30% Off


L-Carnitine mobilizes stored body fat and turns it into energy waiting to be burned. Great for weight loss and those seeking to build endurance and stamina during exercise. Low Energy

L-Cysteine 500 mg

(100 Tabs), NOW Foods

From $10.73 
36% Off
 $12.62 
25% Off


Structural Support Promotes Healthy Skin, Hair and Nails* With Vitamin B-6 and C NOW L-Cysteine is a non-essential amino acid that is an important component of hair, nails and the keratin of the skin. L-Cysteine stabilizes protein structure and aids in the formation of collagen, thereby promoting healthy skin, hair and nail texture and elasticity.* L-Cysteine 500 mg

L-Citrulline 750 mg

(90 Caps), NOW Foods

From $16.46 
41% Off
 $19.37 
30% Off


Cardiovascular Health* Promotes Nitric Oxide Production Supports Vascular Blood Flow* Citrulline is a non-essential amino acid that is an important intermediate in the urea cycle, functioning along with Arginine and Ornithine to rid the body of ammonia, a byproduct of protein metabolism. ; Because Citrulline is a precursor of Arginine, it provides a readily available source material for Arginine production, which in turn, can be used for the production of Nitric Oxide (NO). ; NO plays a fundamental role in vascular function and blood flow. ; Citrulline therefore, not only supports detoxification pathways, but also supports NO production and a healthy cardiovascular system.* ; FAQ's 90 Caps

L-Glutamine 1000 mg

(120 Caps), NOW Foods

From $12.04 
39% Off
 $14.17 
29% Off


A Versatile Amino Acid NOW Foods

L-Glutamine 1500 mg

(180 Tabs), NOW Foods

From $23.54 
41% Off
 $27.69 
30% Off


Glutamine has recently been the focus of much scientific interest. ; A growing body of evidence suggests that during certain stressful times, the body may require more Glutamine than it can produce. ; Under these circumstances Glutamine may be considered a "conditionally essential" amino acid. ; Glutamine is involved in maintaining a positive nitrogen balance (an anabolic state) and also aids rapidly growing cells (immune system lymphocytes and intestinal cell entercoytes). ; In addition, Glutamine is a regulator of acid-base balance and a nitrogen transporter.* ; L-Glutamine, A Versatile Amino Acid ; Product FAQ's Related Products Buy

L-Methionine 500 mg

(100 Caps), NOW Foods

From $9.40 
41% Off
 $11.06 
30% Off


L-Methionine is an essential Amino Acid that supports detox mechanisms in the body. Buy

L-Ornithine 500 mg

(120 Caps), NOW Foods

From $15.00 
37% Off
 $17.65 
26% Off


Fitness Amino Acid Supports Vascular Health* L-Ornithine is a non-essential amino acid that is an important intermediate in the urea cycle, functioning along with Arginine to rid the body of amonia, a byproduct of protein metabolism. ; Both Ornithine and Arginine are known to support the production of Nitric Oxide (NO). ; NO plays a fundamental role in vascular function and blood flow. ; Ornithine therefore, not only supports detoxification pathways, but also supports NO production and a healthy cardiovascular system.* 120 Caps

L-Phenylalanine 500 mg

(120 Caps), NOW Foods

From $8.81 
41% Off
 $10.37 
30% Off


Nervous System Support Supports Positive Mood* Free-Form L-Phenylalanine is an essential amino acid that can be readily converted into the amino acid tyrosine. ; Because tyrosine is necessary for the synthesis of proteins and the production of the neurotransmitters dopamine and norepinephrine, phenylalanine is an extremely important nutrient that must be obtained through the diet or supplementation.* ; Related Products L-Phenylalanine 500 mg

L-Proline 500 mg

(120 Vcaps), NOW Foods

From $8.81 
41% Off
 $10.37 
30% Off


Joint Health Important for Collagen Production Provides Structural Support Vegetarian Formula L-Proline is an amino acid that is essential for the synthesis of collagen, the most abundant protein in mammals. ; Collagen is the main structural protein that constitutes all human connective tissues, including skin, tendons, ligaments, joints, bone, and vasculature (veins and arteries). ; L-Proline therefore provides building blocks that help to stabilize and strengthen the structural components of the body. ; Although proline can be made in the body, low protein and vegetarian diets may not provide optimal support for the production of collagen.* ; NOW L-Proline Vcaps are 100% vegetarian. 120 Vcaps

L-Tyrosine 500 mg

(120 Caps), NOW Foods

From $8.81 
41% Off
 $10.37 
30% Off


Neurotransmitter Support Pharmaceutical Grade (USP) Supports Mental Alertness Healthy Glandular Function* L-Tyrosine is a non-essential amino acid that plays an important role in the production of neurotransmitters dopamine and norepinephrine.  In addition, because L-Tyrosine is necessary for the synthesis of thyroid hormone and epinephrine (adrenaline), L-Tyrosine supports healthy glandular function and stress response.*  Related Products NOW Foods
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