Single Amino Acids

Understanding Single Amino Acids: A Comprehensive Guide

Amino Acids are molecules that combine to form proteins. They are the building blocks of life. Roughly 500 amino acids have been identified in nature, but just 20 of them make up the proteins found in the human body. Eleven of these are made inside the body, while the remaining 9 must be supplied by food and, as needed, through supplementation.  Read more >

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  1. NAC (N-Acetyl-Cysteine) 600mg - 90 Caps + BONUS

    Naturopathic Labs NAC 600mg (n-acetyl-cysteine) Developed by Naturopathic Labs, to help support immune functions. N-Acetyl-L-Cysteine (NAC) is an important amino acid for those looking to fight frequent colds, and flus, chronic bronchitis, asthma and other auto-immune disorders. Containing 600mg of NAC to help protect the body from damage caused by free radicals Naturopathic Labs' formulation ...

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  2. GABA 100mg - 90 V-Caps

    100% NATURAL GABA Natural Factors GABA is made with PharmaGABA, a 100% natural form proven to cross the blood/brain barrier unlike synthetic forms. Although other nutrients such as L-Theanine can also increase alpha brain waves, GABA is more powerful and can provide a quick fix in circumstances of extreme stress, as with phobias and fears. [VCAPS]

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  3. L-Arginine 500mg - 90 V-Caps

    500 MG L-ARGININE FROM NATURAL FACTORS This amino acid is known for its ability to promote strength and endurance by maintaining the formation of nitric oxide in the body. Natural Factors L-Arginine provides 500 mg per capsule and may be helpful for a number of health concerns. Studies show that regular supplementation with L-Arginine may help improve blood flow, blood viscosity, and reduce bl...

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  4. L-Lysine 500mg - 90 V-Caps

    500MG LYSINE IN THE ACTIVE "L" FORM. Derived from natural sources, Natural Factors' lysine amino acid supplement provides nutritional support for depressed immune systems. Known for its antiviral properties, lysine is often used to fight cold sores and other viral infections. Your body is unable to manufacture this essential amino acid on its own so it must be ingested from either foods or sup...

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  5. L-Theanine 250mg - 90 V-Caps

    There’s a reason why drinking a cup of tea is so relaxing. True tea (made from the Camella sinensis plant) contains L-theanine, an amino acid that promotes mental calmness. A purified form of L-theanine supported by more than 50 studies demonstrating its safety and efficacy. It safely relaxes but won’t cause drowsiness. Just 1 capsule of Natural Factor's Stress-Relax Mental Calmness provides 25...

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  6. Regenerlife Acetyl-L-Carnitine 500mg - 90 V-Caps

    Regenerlife Acetyl-L-Carnitine is a highly bioavailable form of the amino acid L-carnitine able to effectively cross the blood-brain barrier. Known to help the body create energy, Acetyl-L-Carnitine is important for heart and brain function, muscle movement, and other body processes. Acetyl-L-Carnitine is a naturally occurring derivative of lysine, allowing the body to quickly process the acety...

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  7. 5-HTP 50mg - 90 V-Caps

    5-HTP FROM AOR TO BOOST YOUR MOOD. AOR's Tryfonia is L-5-hydroxytryptophan (5-HTP) derived from Griffonia simplicifolia seed extract. 5-HTP is a metabolite of the amino acid tryptophan, and an essential raw material of the biosynthesis of the neurotransmitter serotonin and the neurohormone melatonin. Research supports a role for 5-HTP in supporting mood balance, ease of sleep, and the proper t...

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  8. 5-HTP Extra Strength 100mg - 90 V-Caps

    5-HTP EXTRA STRENGTH FROM AOR NATURAL MOOD AND SLEEP SUPPORT. Derived from the Griffonia simplicifolia seed, Tryfonia Max contains a 100mg optimal dosage of the metabolite 5-HTP. Studies confirm 5-HTP offers important benefits for those concerned with mood balance, anxiety, insomnia and depression. 5-HTP a metabolite of the amino acid tryptophan and a direct precursor to the neurotransmitter ...

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  9. NAC (N-Acetyl-L-Cysteine) 600mg - 90 V-Caps

    N-Acetyl-L-Cysteine (NAC) represents a stable derivative of the amino acid cysteine, which naturally occurs in the human body. Upon ingestion of Arcwell NAC, the liver and kidneys metabolize it into cysteine, which subsequently transforms into glutathione, thereby bolstering the immune system and mitigating DNA damage induced by free radicals. Research has indicated that NAC can alleviate sympt...

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  10. L-Theanine with Magnesium - 90 V-Caps + BONUS

    When you’re looking for a supplement that helps you relax without making you feel drowsy, then CanPrev’s L-Theanine with Magnesium just might be the answer. CanPrev’s L-Theanine provides an impressive 250 mg of pure L-theanine along with 20 mg of magnesium bisglycinate to promote a state of relaxation so that you can stay focused and productive. As a psychoactive substance, L-Theanine can easil...

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  11. Sleep-Reset Melatonin - 90 V-Caps

    CanPrev’s Sleep-Reset Melatonin can help reduce the time it takes to fall asleep, increase total sleep time, and prevent the effects of jet lag. Formulated with melatonin to help reset the body’s circadian rhythm, along with GABA, l-theanine, passionflower, lemon balm, skullcap and valerian extracts to soothe mental stress that can contribute to sleeplessness. CanPrev’s Sleep-Reset Melatonin is...

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  12. 5-HTP Synergy - 90 V-Caps

    Designs For Health's 5-HTP Synergy has been specifically developed to support a balanced mood, alleviate symptoms associated with Fibromyalgia, and diminish both the intensity and duration of migraine headaches when used as a preventive measure. This formulation combines 5-hydroxytryptophan with vitamin B6 to enhance overall neurotransmitter metabolism by supplying essential precursors for sero...

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  13. Acetyl L-Carnitine - 90 V-Caps

    Designs for Health’s Acetyl L-Carnitine offers 800mg of acetyl L-carnitine (ALC) per capsule to boost energy production, support brain function, maintain mood balance, and promote nerve health. Some individuals may not produce enough ALC due to aging or health conditions. As a supplement, ALC is well-absorbed and plays a crucial role in brain chemistry, aiding in the synthesis of acetylcholine,...

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  14. 5-HTP 100mg - 90 V-Caps

    IMPROVE YOUR MOOD WITH 5-HTP 5-HTP is a Genestra product derived from the West African plant Griffonia Simplicifolia, used to increase the brain cells output of serotonin. This vegan friendly 5-HTP supports a healthy mood balance and migraine prophylaxis by helping elevate your mood, and even relieve symptoms of fibromyalgia. Offered in a convenient easy-to-swallow tablet form, Genestra’...

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  15. L-Glycine 750mg - 90 V-Caps

    L-GLYCINE FROM LIFE CHOICE Life Choice L-Glycine is optimal for treating issues such as muscular dystrophy, manic depression and has also been found useful in the improvement of hypoglycemia. L-Glycine from Life Choice plays a key role in the development and quality of our skeletal muscles, tissues, and structural integrity. Found in high concentrations in the skin and connective tissues, glyc...

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  16. N-Acetyl-L-Carnitine - 90 V-Caps

    N‐Acetyl‐L‐Carnitine from Omega Alpha is a single amino acid for cognitive health and brain function. Acetyl-L-carnitine is a derivative of carnitine that is produced by the body. It is used for protein and carbohydrate metabolism, in addition to its role in fat transportation. Acetyl-L-carnitine is well studied for its anti-aging effects. Daily supplementation slows the progression of Alzheime...

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  17. L-Theanine 100mg - 90 V-Caps

    L-THEANINE FROM NOW FOODS An amino acid found in green tea, L-Theanine has demonstrated promising benefits for those concerned with the effects of stress and anxiety. L-Theanine works naturally to soothe frazzled nerves and relieve stress without leaving you feeling drowsy or lethargic. Now's L-theanine formula contains 100mg of L-theanine per capsule plus 250mg of decaffeinated green tea. It...

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  18. Acetyl-L-Carnitine 750mg - 90 V-Caps

    L-Carnitine is an amino acid required for the transport of fatty acids into the mitochondria for the burning of fat and generation of metabolic energy. New Roots Herbal's L Carnitine is the biologically active form of the amino acid responsible for the intracellular transport of fatty acids to the mitochondria. Critical concentrations of this compound within cells diminish with aging and compro...

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  19. L-Carnitine Tartrate 750mg - 90 Caps

    THE OFFICIAL SUPPLEMENT OF SKINNY JEANS New Roots L-Carnitine is the biologically active form of the amino acid responsible for the intracellular transport of fatty acids to the mitochondria. Critical concentrations of this compound within cells diminish with aging and compromise metabolism throughout the body. L-Carnitine is the key to robust mitochondrial energy production within cells that ...

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  20. Taurine 500mg - 90 V-Caps

    Taurine is an amino acid found throughout the body; particularly high concentrations surround the brain and heart muscle. New Roots Taurine provides 500 mg capsule and has proven useful for those concerned with atherosclerosis, edema, hyperactivity, anxiety and more. Unlike most amino acids, Taurine is not incorporated into proteins but exists in the free form or as taurocholic acid. Stress, he...

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Essential Single Amino Acids: A Detailed Chart

Amino acids are molecules that combine to form proteins. They are the building blocks of life. Roughly 500 Amino acids have been identified in nature, but just 20 of them make up the proteins found in the human body. Eleven of these are made inside the body, while the remaining 9 must be supplied by food and, as needed, through supplementation. Let's explore the chart of necessary amino acids for good health.

A chart of essential amino acids include: histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine, all of which are naturally abundant in foods such as beef, poultry, fish, eggs, dairy, soy, quinoa, and buckwheat. Other foods such as nuts, seeds, beans, and certain grains contain some but not all the essential amino acids. Thus, they are “incomplete proteins" and should be combined to supply all 9 essential amino acids.

When your diet is lacking, or if you're looking to stimulate physical performance, boost energy, stimulate muscle protein synthesis, support immunity, enhance digestion, and promote overall excellent health, nothing beats a good amino acid supplement. Besides forming proteins, amino acids are needed to produce enzymes, hormones, and neurotransmitters. They are also involved in numerous metabolic pathways within cells throughout the body. 

Key Benefits of Single Amino Acids for Wellness

  • Boost Muscle Building & Prevent Muscle Breakdown
  • Enhance Physical Performance
  • Help Balance Glycemia
  • Promote Neurotransmitter and Hormone Synthesis
  • Stimulate Energy Production

Determining the Need: Who Benefits from Single Amino Acids?

Amino acids may be recommended as a complex, which has the advantage of not throwing off your amino acid balance. Still, individual amino acids may also be recommended depending on a person's health status and goals and may be ideal for specific health challenges. Here's a chart of amino acids and which health concerns they support:

  • Tryptophan may be recommended to help regulate the sleep-wake cycle, appetite, sleep, mood, and pain.

  • Carnitine may be used to aid weight loss, improve exercise performance, and enhance a sense of well-being

There is a wide range of single amino acid supplements available on the market, each offering its own unique health benefits. For guidance on which amino acid(s) may be advantageous for you, speak to the knowledgeable staff at your favourite health food store or online retailer.

Varieties of Single Amino Acids: Potency & Formats Explored

Single amino acid supplements are widely available in capsules and powders and in fun gummy form for those suffering from pill fatigue. Amino acids are also frequently added to protein powders to enhance performance, boost muscle building, and speed post-exercise recovery. Each amino acid is offered in its own optimal dosing range. Always refer to the label instructions on your product to determine which dose is best for you. 

Insights & Considerations: Making the Most of Single Amino Acids

Most amino acid supplements, whether in combination or isolated form, are well tolerated and cause few side effects. However, if your dose is too high, you may experience certain side effects such as:

  • Gastrointestinal distress, including bloating
  • Abdominal pain
  • Changes in eating patterns
  • Diarrhea
  • Drop in blood pressure

Amino acid supplements should ideally be taken on an empty stomach between meals to get the most bang for your buck. However, when it comes to sports nutrition, athletes and strength trainers can take their amino acid supplement either before, during, after training, or any other time throughout the day when a meal or a shake isn’t possible or preferred.

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