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. Melatonin 10mg Dual Action Timed Release - 60 Caps

    MAXIMUM DOSAGE FOR A HEALTHIER & MORE RESTFUL SLEEP Melatonin Timed Release & Dual Action from Jamieson is an enhanced maximum strength bi-layer formula providing 10mg of melatonin, for improved sleep quality, and increased total sleep time. The first layer dissolves quickly to help you fall asleep faster, while the second layer slowly releases additional melatonin over 6-8 hours to e...

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  2. Melatonin 10mg Dual Action Timed Release - 100 Caps

    Melatonin Timed Release & Dual Action from Jamieson is an enhanced maximum strength bi-layer formula providing 10mg of melatonin, for improved sleep quality, and increased total sleep time. The first layer dissolves quickly to help you fall asleep faster, while the second layer slowly releases additional melatonin over 6-8 hours to ensure a full night of restful sleep. Jamieson Laboratories...

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  3. 5-HTP SAP 50mg - 90 Caps

    Support healthy mood balance with NFH 5‑HTP SAP 50mg. Mood imbalance is one of the most prevalent concerns affecting an individual’s quality of life. Serotonin or 5-hydroxytryptamine (5-HT) is a monoamine neurotransmitter involved in several crucial physiological processes, especially in modulating mood, cognition, sleep, appetite, learning, memory, and vasoconstriction. 5‑HTP SAP 50mg from NFH...

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  4. 5-HTP SAP 100mg - 90 Caps

    5‑HTP, is able to cross the blood-brain barrier, where it can then be utilized as a precursor to raise serotonin levels safely and effectively. Support healthy mood balance with NFH 5‑HTP SAP 100mg. Mood imbalance is one of the most prevalent concerns affecting an individual’s quality of life. Serotonin or 5-hydroxytryptamine (5-HT) is a monoamine neurotransmitter involved in several crucial ph...

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  5. Acetylcarnitine SAP -  90 Caps

    Help reduce fatigue, optimize cellular energy production and support cognitive function in the elderly with NFH Nutritional Fundamentals for Health Inc. Acetylcarnitine SAP. ʟ-Carnitine is an essential cofactor that is required for the transport of free long chain fatty acids into the inner mitochondrial matrix where they enter the beta oxidation pathway for cellular energy production. Acetyl-ʟ...

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  6. L-Carnitine Tartrate SAP - 90 Caps

    ʟ-Carnitine plays an important role in fatty acid metabolism and has important antioxidant and anti-inflammatory properties. L-Carnitine is a nonessential amino acid synthesized primarily in the liver and kidneys from the amino acids lysine and methionine. L-Carnitine Tartrate SAP by NFH offers you an easy way to supplement 500mg of L-Carnitine in one capsule. L-Carnitine is stored in skeletal ...

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  7. L-Lysine SAP - 90 Caps

    NFH L-Lysine SAP makes it easy to add this essential amino acid for human health into your diet. Lysine is required by the body for many functions, including the synthesis of various connective tissues such as skin, collagen, elastin, and bone. Lysine is also required for the synthesis of carnitine, a nonessential amino acid that assists in the conversion of fatty acids to energy. This is an im...

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  8. L-Theanine SAP - 60 Caps

    Stress is common in the modern world, but could become debilitating when exacerbated by lifestyle disorders, diseases, and life situations. L-Theanine SAP from NFH is formulated with 250mg of L-theanine, a natural bioactive found in high amounts in certain species of tea such as Camellia sinensis, which have been known for their medicinal properties in traditional medicine. The major advantage...

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  9. NAC SAP - 90 Caps

    N-Acetylcysteine (NAC) is a precursor to glutathione synthesis and also acts on its own to reduce the effects of reactive oxygen species. NFH NAC SAP has mycolytic properties and decreases viscosity of lung secretions. NAC has been shown by studies to have a protective effect on the liver and has been used to manage acetaminophen overdose, due to its ability to enhance hepatic and mitochondrial...

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  10. Taurine SAP - 120 Caps

    Taurine SAP formulated by NFH contains high-quality taurine that can be clinically used in combination with NFH Mito SAP to support optimal mitochondrial metabolism. Taurine is a conditionally essential amino acid that plays a significant role in mitochondrial health by maintaining the mitochondrial pH buffering capacity and electron transport chain activity, regulating the expression and trans...

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  11. Branched Chain Amino Acids - 60 Caps

    BRANCHED CHAIN AMINO ACIDS FROM NOW FOODS. The Essential amino acids, Leucine, Isoleucine and Valine are known as the branched chain amino acids and are essential because they cannot be made by the body and must be supplied through the diet. Now Foods offers a 1000mg potency of these very important amino's. Research shows that BCAA's (Branched Chain Amino Acids) are important for muscle growth...

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  12. L-Arginine + L-Ornithine 500mg/250mg - 100 Caps

    HGH SUPPORT FORMULA WITH ARGININE & ORNITHINE. As we get past age 35, our body's production of growth hormone declines, eventually to less than 10% of what it once was. The amino acids l-arginine and l-ornithine help to optimize your own body's natural hgh production without the side effects or high expense of synthetic growth hormone. Optimum growth hormone levels promote fat loss, energy, im...

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  13. L-Arginine 500mg Free Form - 100 Caps

    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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  14. L-Citrulline 750mg - 90 Caps

    750MG CITRULLINE. 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...

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  15. L-Glutamine 500mg - 60 Caps

    L-GLUTAMINE FROM NOW FOR POST-WORKOUT RECUPERATION. L-GLUTAMINE FROM NOW FOODS. Sometimes referred to as "brain fuel", L-Glutamine supports proper brain function and mental acuity. Glutamine is a versatile amino acid with many important functions in the body. Glutamine is found in large amounts in the muscles and helps to support muscle growth, prevent muscle-wasting and reduce stiffness and s...

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  16. L-Glutamine 500mg - 120 Caps

    L-GLUTAMINE FROM NOW FOR POST-WORKOUT RECUPERATION. L-GLUTAMINE FROM NOW FOODS. Sometimes referred to as "brain fuel", L-Glutamine supports proper brain function and mental acuity. Glutamine is a versatile amino acid with many important functions in the body. Glutamine is found in large amounts in the muscles and helps to support muscle growth, prevent muscle-wasting and reduce stiffness and s...

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  17. L-Glutamine 1,000mg - 120 Caps

    L-GLUTAMINE FROM NOW FOR POST-WORKOUT RECUPERATION. 1000MG L-GLUTAMINE FROM NOW FOODS. Glutamine is a versatile amino acid with many important functions in the body. Sometimes referred to as "brain fuel", L-Glutamine supports proper brain function and mental acuity. Now's 1000mg L-Glutamine is a double strength formula popularly used in sports nutrition. Glutamine is found in large amounts in ...

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  18. L-Lysine 500mg - 100 Caps

    500MG OF THE ESSENTIAL AMINO ACID LYSINE. The amino acid lysine is classified as an "essential" amino acid because it cannot be manufactured by the body and must be ingested in either food or supplements. Depleted by stress, lysine is often used to help fight viral infections, including aggravating cold sores. Many people prone to cold sores increase their intake of lysine during stressful per...

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  19. L-Lysine 500mg - 250 + 100 Caps FREE

    500MG OF THE ESSENTIAL AMINO ACID LYSINE. The amino acid lysine is classified as an "essential" amino acid because it cannot be manufactured by the body and must be ingested in either food or supplements. Depleted by stress, lysine is often used to help fight viral infections, including aggravating cold sores. Many people prone to cold sores increase their intake of lysine during stressful per...

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  20. L-Ornithine 500mg - 60 Caps

    500MG L-ORNITHINE FROM NOW FOODS. L-Ornithine is a non-essential amino acid; it is synthesized in the body from arginine and serves a number of important functions. Now's L-Ornithine contains 500mg per capsule and is popular among fitness enthusiasts and those wanting to cut fat. L-Ornithine promotes the metabolism of excess body fat and stimulates the release of growth hormone. L-Ornithine ha...

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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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