Amino Acids for Every Need – Guide to the Right Choice and Usage
959 productsAmino acids for muscle building, recovery, and general health. L-glutamine, L-arginine, BCAA and more.

Nutricost
Nutricost - HMB - 250g Powder
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Nutricost
Nutricost - L-Serine - 500 mg - 120 capsules
Delivery 1–2 days

GAL
GAL - Taurine Refill Pouch - 500g
Delivery 1–2 days

Natural Factors
Natural Factors - N-Acetyl-L-Cysteine - 90 Tablets
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Natural Factors
Natural Factors Phosphatidylserine 100 mg - 60 Soft Capsules
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Natural Factors
Natural Factors L-Carnitine 500mg – 60 Vegan Capsules
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Natural Factors
Natural Factors - N-Acetyl-L-Cysteine Amino Acid - 90 Capsules
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Natural Factors
Natural Factors L-Lysine 1000 mg - 90 Vegetarian Capsules
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Nutrend
Nutrend Tribulus Terrestris Turbo 40% Protodioscin – 120 Capsules
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Nutrend
Nutrend Tyrosine 120 Capsules
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Jutavit
Jutavit - L-Carnitine Complex - 60 Film-Coated Tablets
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Usa Medical
Usa Medical Taurine Complex - 1500 mg - 90 Capsules
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OstroVit
OstroVit - AOL 3000 amino acid complex 3000 mg powder
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OstroVit
OstroVit CLA Slim Line - 30 capsules
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Nutriversum
Nutriversum Basic Glycine – 200g powder
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Nutriversum
Nutriversum L-Leucine Powder 200g – Pure Amino Acid for Muscle Building
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Vitaworld
Vitaworld Arginine-Ornithine-Lysine + C + Zinc - 60 capsules
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Vitaworld
Vitaworld L-Carnosine 500 mg - 60 capsules
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Vitaworld
Vitaworld - Choline + Myo-Inositol 450/450mg - 60 capsules
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Vitaworld
Vitaworld Inositol Complex 180 capsules
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Vitaworld
Vitaworld L-Carnitine 538 mg - 100 Vegetable Capsules
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Vitaworld
Vitaworld L-Arginine – 100 Vegetable Capsules
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Vitaworld
Vitaworld - L-Threonine 500 - 120 capsules
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Vitaworld
Vitaworld L-Glycine 1000 mg - 120 Capsules
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Vitaworld
Vitaworld Methionine 1000 mg - 120 Vegetable Capsules
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Vitaworld
Vitaworld - Phenylalanine 1000 - 120 Tablets
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Vitaworld
Vitaworld L-Ornithine 1000 mg - 120 tablets
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Vitaworld
Vitaworld Tyrosine 500 mg - 60 Vegetable Capsules
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Evogen
Evogen Carnitine Powder, Grape - 66g
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Dorian Yates
Dorian Yates Glutamine - 300g Powder
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Dorian Yates
Dorian Yates L-Carnitine 20 x 25 ml Liquid Shots
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Doctor's Best
Doctor's Best Pure L-Arginine Powder 300g
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Doctor's Best
Doctor's Best - L-Theanine Alphawave 200 mg - 60 Vegetable Capsules
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Cytoplan
Cytoplan - NAC (N-Acetyl Cysteine) 500 mg, 60 Vegan Capsules
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Carlson Labs
Carlson DLPA - 500mg - 60 capsules
Delivery 1–2 days

BioTechUSA
BioTechUSA L-Lysine 90 Capsules
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BioTechUSA
BioTechUSA HMB - 150 Mega Caps
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BioTechUSA
BioTechUSA Glutamine Peptide 180 Mega Caps
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BioTechUSA
BioTechUSA - GH Hormone Regulator - 120 capsules
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BioTechUSA
BioTechUSA Caffeine + Taurine 60 capsules
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What are amino acids?
Amino acids are organic compounds that serve as building blocks for proteins in the body. They are fundamental for many biological processes, including muscle growth, metabolism, and tissue repair. There are a total of 20 amino acids used by the body, nine of which are essential and must be obtained through diet because the body cannot produce them itself. Amino acid supplements can be a way to ensure adequate intake, especially for individuals with increased needs, such as during exercise or certain dietary regimens.
Benefits & uses
Amino acids are often used as supplements to complement protein intake and support the body's functions. Here are some common uses:
- Support for muscle building and recovery after exercise
- Supplementing protein in vegetarian or vegan diets
- Facilitate normal metabolism and energy production
- Contribute to normal synthesis of endogenous proteins
- Support during increased protein needs, for example during physical activity or ageing
How to choose the right amino acids
Choosing the right amino acids depends on your individual needs and goals. Here are some tips to consider when buying amino acids online:
- Identify the purpose: Do you want amino acids for training or as a dietary supplement?
- Essential vs non-essential: Essential amino acids must be obtained through diet, while non-essential can be produced by the body.
- Form and dosage: Amino acids come in powder, capsules, and tablets. Choose the form that best fits your daily routine.
- Quality and purity: Ensure the product comes from a reliable manufacturer with a clear ingredient list.
- Specific amino acids: Some amino acids like BCAA (branched-chain amino acids) or L-glutamine have particular uses.
For more information on related supplements, please see our category Supplements.
Popular variants
There are several types of amino acids commonly used as supplements, tailored to different needs:
- Essential amino acids (EAA): Contain all the amino acids the body cannot produce itself.
- BCAA (branched-chain amino acids): Consist of leucine, isoleucine, and valine, and are popular among people who exercise.
- L-Glutamine: An amino acid found in high concentrations in muscles and often used for recovery.
- L-Arginine: Can be used to support the body's natural processes.
- Other free amino acids: Such as L-Tyrosine, L-Lysine, and L-Citrulline, which have specific roles in the body.
Frequently asked questions about amino acids
What is the difference between amino acids and protein?
Amino acids are the individual building blocks that together form proteins. Proteins are long chains of amino acids linked in a specific order that determines the protein's function.
Can I take amino acids without exercising?
Yes, amino acids can be taken as a supplement regardless of physical activity, for example to complement the diet or in cases of specific nutritional needs. However, it is important to follow the recommended dosage.
How do I know which amino acid I need?
It depends on your goals and any dietary restrictions. Essential amino acids and BCAA are commonly used for support during training, while other amino acids can be chosen based on specific needs. Please consult a health specialist if you are unsure.