Amino Acids

Antioxidant Improves respiratory health Offers liver support Boosts immune system N-Acetylcysteine (NAC) is a derivative of the amino acid cysteine and offers a range of benefits, from supporting antioxidant defense...

Natural Factors L-Glutamine enhances muscle recovery, energy, and immunity. As a free-form amino acid, it is more effective than the form obtained directly from food. Supplementing with L-glutamine helps restore...

Maintains Cellular Health With Selenium N-acetyl cysteine (NAC) is a stable form of the non-essential amino acid cysteine. It is a sulfur-containing amino acid that acts as a stabilizer for...

Promotes healthy body composition by helping to convert fat into energy Boosts physical and mental energy Enhances overall well-being by lessening fatigue Improves athletic performance and speeds muscle recovery after...

Acetyl-L-carnitine is the biologically active form of the amino acid L-carnitine. It can cross the blood-brain barrier, making it ideal for promoting neurological health. Acetyl-L-carnitine has antioxidant activity and is...

Unleash the benefits of Spirulina, a blue-green algae celebrated as the superfood of tomorrow, renowned for its remarkable protein and vitamin profile. Rich in essential nutrients such as beta-carotene, Vitamin...

Helps to Increase Nitric Oxide (NO) production, Increases the blood flow in the body. L-Arginine Increases sperm motility by ATP production. Protects the spermatozoa structure by reducing oxidation stress. Provide...

Product color: Off-white Healthy Immune System Function. L-Citrulline is a non-essential amino acid that is an important intermediate in the urea cycle, functioning along with other amino acids to rid...

Healthy Visual Function Healthy Nervous System Non-GMO Taurine is a conditionally essential amino acid that is not utilized for protein synthesis, but is mainly found free in most tissues, especially...

Promotes Relaxation Healthy Vascular Function With Decaf Green Tea Theanine is a unique amino acid found naturally in the tea plant (Camellia sinensis). Theanine promotes relaxation while maintaining alertness and...

Carnitine assists in fat metabolism and plays an essential role in making fatty acids available for muscle tissue. Carnitine also supports heart health. Supplement FactsEach tablet contains: L-Carnitine (as L-Carnitine...

5-HTP is an amino acid needed to make serotonin. 5-HTP from Natural Factors uses timed-release caplets for a steady increase in serotonin levels that helps promote healthy mood balance. 5-HTP...

Supports Immune Function Healthy Skin and Lips Helps to reduce the recurrence of cold sores / Herpes Simplex Virus L-Lysine is an essential amino acid that cannot be made by...

Natural Factors L-Arginine 500 mg is a non-essential amino acid involved in protein synthesis. It may help support a modest improvement in exercise capacity in individuals with stable cardiovascular disease...

NOW® L-Lysine is a pharmaceutical grade essential amino acid. Supports Healthy Connective Tissue Supports Calcium Absorption Supports Collagen Synthesis Healthy Immune Function Healthy Skin and Lips Helps to reduce the...

L-Arginine is one of 20 Amino Acids, the building blocks of protein. Arginine supports the effect of exercise and is involved in various important pathways throughout the body. Promotes stamina...

Promotes Relaxation Healthy Vascular Function With Inositol Theanine is a unique amino acid found naturally in the tea plant (Camellia sinensis). Theanine promotes relaxation while maintaining alertness and promotes healthy...

Natural Factors L-Arginine is a non-essential amino acid involved in protein synthesis. It may help support a modest improvement in exercise capacity in individuals with stable cardiovascular disease (CVD). As...

Pharmaceutical Grade Healthy Glandular Function Supports Mental Alertness L-Tyrosine is a conditionally indispensable amino acid required for the production of the neurotransmitters dopamine, adrenaline, and noradrenaline, as well as for...

Promotes a Calm and Relaxed Mood. Improves Mood and Positive Outlook by relieving Anxiety and Stress Promotes Relaxation of Mind and Body also Supports Better Sleep Quality Weight Loss Support...

Promotes stamina and performance Supports sexual health Supports vascular health Supports muscle protein synthesis. Supports vasodilation to enhance blood flow Plays a role in heart health May help in erectile...

For Healthy Nervous System. Taurine is an amino acid that plays various important roles in the body. Taurine may help improve heart function and reduce the risk of heart disease...

Purest Form, Clinically Tested Boosts Cellular Energy Transports Fatty Acids L-Carnitine is a non-essential amino acid that helps to maintain overall good health by facilitating the transfer of fatty acid...

Gamma-Aminobutyric Acid With Vitamin B-6 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...

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,...

Supports cardiovascular health Maintains blood flow Arginol contains L-Arginine, which is an amino acid that helps the body make proteins. It can be obtained naturally in the diet and is...

Pure Powder Nitrogen Transporter Immune Support Glutamine is considered to be a conditionally essential amino acid, which means that under certain circumstances, the body may require more glutamine than it...

Conditionally Essential Amino Acid Nitric Oxide Precursor Arginine is a conditionally essential basic amino acid involved primarily in urea metabolism and excretion, as well as in DNA synthesis and protein...

5-HTP (a.k.a. 5-Hydroxytryptophan) helps your brain produce serotonin, a neurotransmitter involved in sending messages through the nervous system that contribute to your mood and well-being.These capsules are a great way...

NOW® L-Carnitine Liquid has all of the properties of carnitine in a highly absorbable liquid form. Carnitine is a non-essential amino acid that helps to maintain overall good health by...

Protein Metabolism Nitric Oxide Precursor Muscle Maintenance Arginine is a conditionally essential basic amino acid involved primarily in urea metabolism and excretion, as well as in DNA synthesis and protein...

Essential Amino Acids Leucine, Isoleucine, Valine Pure Aminos The branched-chain amino acids (BCAAs), leucine, isoleucine and valine are essential amino acids, and thus cannot be made in the body. BCAAs...

Healthy Visual Function Healthy Nervous System Non-GMO Taurine is a conditionally essential amino acid that is not utilized for protein synthesis, but is mainly found free in most tissues, especially...

Healthy Skin, Hair and Nails With Vitamins B-6 and C Cysteine is a non-essential sulfur amino acid, which plays a critical role in methionine, taurine and glutathione metabolism. It is...

Amino Acids, Ginkgo and DMAE Plus CoQ10 and Grape Seed Extract Norepinephrine and dopamine are key neurotransmitters for the maintenance of alertness and mental acuity and for promoting a feeling...

Hepatec is a stable combination of two important endogenous amino acids, L-Ornithine and L-Aspartate. After administration it quickly breaks down into L-Ornithine and L-Aspartate. This medication is used as an...

Encourages Positive Mood Promotes Restful Sleep 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...

Amino Fuel is the perfect optimal blend delivering 11g of aminos per serving, 9g of which are Essential Amino Acids (EAA) including 6g of Branched Chain Amino Acids (BCAAs) at...

Critical for Normal Brain Function Immune System Support Essential Amino Acid L-Histidine is an essential amino acid that is best known for its role in the production of histamine, an...

Aminoleban Oral is a specialized enteral formula containing amino acids. carbohydrates, fats, vitamins and minerals to supplement the dietary intake in patients with chronic liver impairment. The preparation has an...

Amino Fuel is the perfect optimal blend delivering 11g of aminos per serving, 9g of which are Essential Amino Acids (EAA) including 6g of Branched Chain Amino Acids (BCAAs) at...

Amino acids are the building blocks of proteins and muscle tissue. All types of physiological processes relating to sport – energy, recovery, muscle / strength gains and fat loss, as...

With BCAAs 25 G Protein NOW® Whey Protein Isolate is a high quality protein that is both bioavailable and easily digested. Whey protein has naturally occurring branched-chain amino acids (BCAAs)....

Amino Fuel is the perfect optimal blend delivering 11g of aminos per serving, 9g of which are Essential Amino Acids (EAA) including 6g of Branched Chain Amino Acids (BCAAs) at...