Buy individual amino acids

Not everyone needs a complex of 20 amino acids. Sometimes a single building block, targeted and highly dosed, is enough. This is exactly what isolated amino acids in capsule form are for: you only take what you actually need.

Here you will find individual amino acids in capsule form from brands such as GN Laboratories, PEAK, Biotech USA and SCITEC Nutrition. Whether N-acetyl-L-cysteine, L-tryptophan, L-tyrosine or taurine: each amino acid fulfills its own task in the body.

What are individual amino acids and what are they used for?

Amino acids are the building blocks of all proteins. Your body needs around 20 of them to produce muscles, enzymes, hormones and neurotransmitters. These nutrients therefore provide much more than just material for muscles. You get a lot of them from your diet, especially from protein-rich foods such as meat, fish, eggs and pulses.

The difference to an amino acid complex such as EAA or BCAA is that you get several essential amino acids at the same time. Single amino acids, on the other hand, provide a specific nutrient without supplying everything else. This is useful if you have a specific need and do not want to replenish the entire amino acid pool.

There are three different groups:

• Essential: The body cannot produce them itself. They must be supplied through food. These include L-leucine, L-isoleucine, L-valine, L-lysine, L-threonine, L-methionine, L-phenylalanine, L-tryptophan and L-histidine.
• Semi-essential (conditionally essential): The body produces them itself, but under strain, stress or with certain diets, the requirement may exceed the body's own production. Examples: L-tyrosine, L-cysteine, L-arginine, L-glutamine, L-proline and L-glycine.
• Non-essential: Generally produced sufficiently by the body. Taurine and L-ornithine fall into this category. Nevertheless, many people resort to targeted supplementation in order to increase their daily intake.

Which isolated amino acids do we offer?

Our range includes four individual amino acids in capsule form. Here is an overview:

GN Laboratories supplies N-Acetyl L-Cysteine, the best-selling single product in this category. 120 capsules of 500 mg each, without flavorings or superfluous additives.

N-acetyl-L-cysteine - why is NAC so popular?

NAC is the acetylated form of the semi-essential amino acid L-cysteine. Among other things, the body uses L-cysteine as a starting material for the formation of L-glutathione, one of the body's most important tripeptides.¹⁾

What distinguishes NAC from normal L-cysteine: the acetyl group. It ensures that the ingredient is more stable and can be better absorbed by the body. This is why most manufacturers use the NAC form instead of pure L-cysteine.

Our best-selling NAC: The NAC from GN Laboratories contains 500 mg N-acetyl-L-cysteine per capsule, with no added flavors or aromas. 120 capsules per can, manufactured in Germany. Short list of ingredients, clear declaration, nothing superfluous.

If you prefer more capsules per can, there is also a larger version in the range with 240 capsules. Both products provide NAC in the free L-form, which the body can utilize directly.

The demand for NAC as a dietary supplement has increased noticeably in recent years. This is not least due to the fact that the connection between L-cysteine and glutathione is becoming increasingly well known.

¹⁾ L-cysteine is a precursor of glutathione. Glutathione is a tripeptide made from L-glutamic acid, L-cysteine and L-glycine.

L-tryptophan, L-tyrosine and taurine at a glance

In addition to NAC, we have three other isolated building blocks. Each has its own biochemical role in the body.

L-tryptophan is one of the eight essential amino acids. Your body cannot produce it itself, so it must be obtained from food or supplements. L-tryptophan serves the body as a starting material for the formation of serotonin and melatonin.²⁾ Supplementation of this amino acid is particularly popular with athletes who value regeneration. Tryptophan is found in food (e.g. in cheese, nuts or poultry), but often in small quantities. There are two products to choose from: PEAK Tryptophan (120 capsules) and Biotech USA L-Tryptophan (60 capsules).

L-tyrosine is one of the semi-essential amino acids. The body produces it from L-phenylalanine, but cannot always fully cover its requirements, especially during high physical or mental stress. L-tyrosine is valued by athletes who want to support their mental performance during training. Available as PEAK Tyrosine (120 capsules) and Biotech USA L-Tyrosine (100 capsules), both in the free L-form.

Strictly speaking,taurine is not a classic amino acid, but an aminosulfonic acid. The body produces taurine itself, albeit in limited quantities. It is used to supplement the daily intake. SCITEC Nutrition supplies Taurine as capsules (90 capsules per can).

All three products are free from unnecessary additives and come as capsules, without flavoring or aromas. The capsule form makes them easy to take: no weighing, no mixing, no shaker required.

²⁾Biochemical conversion pathway: L-tryptophan → 5-HTP → serotonin → melatonin.

Other individual amino acids: L-arginine, L-glutamine, beta-alanine and L-glutathione

In addition to NAC, tryptophan, tyrosine and taurine, there are other building blocks that are often used in isolation in sports nutrition. L-arginine is one of the best-known semi-essential representatives and is often used as a pre-workout building block. L-glutamine is the most abundant amino acid in the body and is particularly popular with athletes after intensive sessions. Beta-alanine is a popular ingredient in many training formulas. And L-glutathione, the tripeptide made from L-cysteine, L-glutamic acid and L-glycine, is also increasingly being offered as a stand-alone supplement.

Our range in this category currently focuses on the four products mentioned above.

Single or complex - when is which worthwhile?

A legitimate question. The answer depends on what you want to achieve.

An amino acid complex such as EAA (all eight essential amino acids) or BCAA (L-leucine, L-isoleucine, L-valine) is useful if you want to build and maintain muscle. There you get a broad spectrum of building blocks for muscle building in one product.

Individual amino acids as a supplement make sense if you want to supply a specific building block. NAC for L-cysteine, L-tryptophan as an essential amino acid, L-tyrosine as a semi-essential, taurine as a non-proteinogenic aminosulfonic acid. No wastage, no overhead.

Many athletes combine both: an EAA complex around training and targeted individual supplements as required. One does not exclude the other, on the contrary.

Important to know: supplementation of isolated building blocks does not replace a balanced diet with protein-rich foods. It supplements where food alone is not sufficient or where there is a specific need for a particular building block.

What should you look out for when buying?

Not all products in this area are the same. A few points that make the difference:

Dosage form: Capsules have the advantage that you can take them without flavor and without mixing with water. No shaker necessary.

Purity: Look for products without unnecessary additives, fillers or flavorings. The list of ingredients should be short.

Manufacturer and transparency: Products from established manufacturers such as GN Laboratories or Gods Rage are produced in Germany under strict quality standards. Laboratory-tested and with a clear declaration. If a manufacturer discloses the complete list of ingredients and avoids unnecessary fillers, this is a good sign.

Quantity per capsule: Compare not only the price per can, but the price per gram of ingredient. 120 capsules of 500 mg NAC are a different proposition to 60 capsules of 250 mg.

Buy single amino acids from Gigas Nutrition

We offer isolated supplements as capsules from four brands: GN Laboratories, PEAK, Biotech USA and SCITEC Nutrition. All products are available for immediate delivery and are sent by express delivery.

What is important to us is that we only stock products whose manufacturers are committed to transparency. Clear declaration, traceable origin, no marketing promises on the packaging that the contents do not keep.

Whether NAC as a bestseller, L-tryptophan, L-tyrosine or taurine: select the right product above or click on the respective amino acid category for more details.