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. L-Glutamine - 450g Powder

    Natural Factors Micronized Fermented L-Glutamine Powder provides a clean, easy-to-use source of this important amino acid, popular among active individuals. L-glutamine plays a role in muscle recovery and helps support immune and digestive function, especially after periods of physical exertion. This fermented, vegan-friendly formula is micronized to improve solubility and absorption, making it...

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  2. 5-HTP 100mg - 120 V-Caps + BONUS

    100 MG OPTIMUM POTENCY 5-HTP With regular supplementation, 5-HTP has been shown to offer significant benefits to mood and brain function. 5-HTP has been know to support the mood by helping to regulate serotonin levels. LARGER, MONEY SAVING 120 CAP BOTTLE! [VEGETABLE CAPSULE]

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  3. L-Arginine 500mg - 250 Caps + BONUS

    500MG ACTIVE ARGININE in the superior "L" form. Arginine is considered an essential amino acid, which means that our bodies can not naturally produce it. However studies show that, for some individual's supplementation may offer an array of health benefits. Derived from natural sources, Now's arginine amino acid is free of binders and fillers and is suitable for many different clinical applica...

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  4. Taurine 1,000mg - 100 Caps

    TAURINE NATURALLY CALMS YOUR MOOD High potency 1000mg L-Taurine from Now. Taurine is a conditionally essential amino acid which is mainly found free in most tissues, especially throughout the nervous system. Taurine has been found to be important in the formation of bile salts, cell membrane stabilization, and eye health. Taurine is well known for its role in the modulation of neurotransmitter...

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  5. L-Glutathione (Reduced) 50mg - 100 Caps

    50MG GLUTATHIONE FROM ORGANIKA. This amino acid is used by your body in a variety of antioxidant and detoxifying roles. Especially important in helping your body deal with heavy metals like mercury and lead, glutathione is recommended by natural health care practitioners for people with heavy metal toxicity. Found largely in the liver, this non-protein amino acid helps the liver breakdown toxi...

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  6. L-Glutathione (Reduced) 50mg - 50 Caps

    50MG GLUTATHIONE FROM ORGANIKA. This amino acid is used by your body in a variety of antioxidant and detoxifying roles. Especially important in helping your body deal with heavy metals like mercury and lead, glutathione is recommended by natural health care practitioners for people with heavy metal toxicity. Found largely in the liver, this non-protein amino acid helps the liver breakdown toxi...

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  7. L-Theanine 225mg - 90 V-Caps

    L-THEANINE FROM ORGANIKA PROMOTES RELAXATION & REDUCES ANXIETY. Helps to support relaxation and promotes healthy mood balance without drowsiness. Organika's L-Theanine contains a full 225mg high potency theanine sourced from green tea extract. L-Theanine supports healthy mood and sleep cycles by optimizing neurotransmitter production. [VCAPS]

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  8. L-Theanine + Caffeine - 60 V-Caps

    Support your focus with Organika L-Theanine + Caffeine, a balanced formula designed for steady, sustained energy. Combining plant-based caffeine from yerba mate with L-theanine, it helps promote alertness while supporting a calm, focused state. This pairing offers a smoother energy experience without the sharp peaks often associated with caffeine alone. Ideal for work, study, or busy days, thes...

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  9. NAC (N-Acetyl-L-Cysteine) 500mg - 180 Caps

    500MG ACTIVE CYSTEINE IN THE SUPERIOR "N-ACETYL" FORM. The ideal antioxidant supplement for the modern age! Derived from a natural process of fermentation, Organika's active NAC can help provide optimum antioxidant protection from free radicals caused by enviromental pollution, cigarette smoke and alcohol. Practitioners often recommend it for patients with mercury or heavy metal toxicity (from...

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  10. NAC (N-Acetyl-L-Cysteine) 500mg - 90 Caps

    500MG ACTIVE CYSTEINE IN THE SUPERIOR "N-ACETYL" FORM. The ideal antioxidant supplement for the modern age! Derived from a natural process of fermentation, Organika's active NAC can help provide optimum antioxidant protection from free radicals caused by enviromental pollution, cigarette smoke and alcohol. Practitioners often recommend it for patients with mercury or heavy metal toxicity (from...

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  11. L-Glutamine 1,000mg - 60 V-Caps

    Formulated by Naturopathic Labs, L-Glutamine is an amino acid that supports muscle and gut health naturally. Glutamine supports muscle growth and inhibits the catabolism of muscle caused by cortisol. Glutamine also fuels cells in the digestive tract and can help rebuild them if they undergo stresss and inflammation, therefore, L-Glutamine is an important amino acid for digestive health. [VCAPS]

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  12. 5-HTP 50mg (Time Release) - 60 Caplets

    50 MG 5-HTP TIME RELEASE. 5-htp is a naturally occurring amino acid and is the direct precursor to serotonin and is taken for mood support. It works by increasing the cells output of serotonin. Recent studies have suggested not only is it helpful for depression, but also may be beneficial in helping your body to regulate appetite, sleeping problems, anxiety, and cognitive enhancement. [CAPLET]

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  13. Melatonin 3mg - 90 + 90 Sublingual Tabs FREE

    NATURAL FACTORS 3MG MELATONIN. NF Melatonin in an active sublingual lozenge form. Natural Factors' fast acting lozenge form melatonin is ideal for people who have trouble getting to sleep. Absorbed quickly through the tongue, sublingual melatonin provides quick relief for insomnia without the hangover associated with conventional sleep medications. These non-addictive tablets are also easily s...

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  14. RegenerLife L-Taurine 1000mg - 120 V-Caps

    Natural Factors RegenerLife L-Taurine provides 1000mg of this conditionally essential amino acid to support cardiovascular function. As a free-form amino acid, L-taurine is more effective than the form obtained directly from food. Taurine supplementation is known to help slow key markers of aging. Taurine plays a vital role in brain, heart, and nervous system function. A new study has found tha...

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  15. 5-HTP 50mg - 90 + 90 Caps (2 For Deal)

    50 MG 5-HTP MODERATE POTENCY - NATURAL MOOD SUPPORT 5-HTP (5-hydroxytryptophan) is a direct precursor to serotonin and is taken for mood support. It works by increasing the cells output of serotonin. Recent studies have suggested not only is it helpful for depression, but also may be beneficial in helping your body to regulate appetite, sleeping problems, anxiety, and cognitive enhancement.

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  16. FLW Formula - 300 + 300 Tabs (2 For Deal)

    Vitamost FLW By David W. Rowland Includes 25 Nutrients For Nutritional Arterial Cleansing FLW has been used by thousands of people over the years for cleansing the arteries (oral chelating), circulation, and other cardiovascular conditions. FLW has undergone numerous nutritional studies which prove the effectiveness of these nutrients in helping the body to clear plaque from arterial walls, di...

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  17. L-Phenylalanine 500mg - 120 + 120 Caps (2 For Deal)

    L-PHENYLALANINE FREE-FORM AMINO ACID FROM NOW FOODS. This essential amino acid is vital to overall brain and nervous system function. In the body phenylalanine can be converted to the amino acid tyrosine, which is used in the production of neurotransmitters: dopamine and norepinephrine (important for promoting alertness). Now offers a 500mg potency per capsule and is often recommended for prom...

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  18. SAMe 400mg - 30 Tabs

    SAME 400MG FOR MOOD & JOINT SUPPORT. SAMe 400 is a key biological factor that drives a wide variety of essential biochemical reactions, including the methylation of DNA, catecholamine neurotransmitters (brain messenger-molecules), phospholipids, hormones, and chondrocytes (cartilage-forming cells). Research suggests SAMe's ability to support healthy mood function and to relieve symptoms and re...

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  19. Creatine Monohydrate - 450g

    Creatine Monohydrate can offer therapeutic benefits, including ATP depletion, stimulation of protein synthesis and cell volumization. Confident Sports Creatine Monohydrate Powder is a pharmaceutical grade Creatine that’s ultra-pure and micronized. Creatine Monohydrate is the most heavily researched and time-tested sports nutrition supplement in the world. Creatine can lead to a gain in lean mus...

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  20. Liposomal GABA (Citrus) - 450ml

    GABA, or gamma-aminobutyric acid, is an inhibitory neurotransmitter produced naturally in the body to help promote relaxation. It also plays a role in motor control and vision. Production of this neurotransmitter can be impacted by chronic stress and lifestyle choices, leading to inflammation, and difficulty sleeping. CanPrev’s Liposomal GABA comes in a delicious citrus flavour made without art...

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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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