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Cysteine ​​is an endogenous amino acid, belonging to the group of the so-called coded amino acids. The structure of cysteinę is quite simple, but the presence of a thiol group (-SH) gives it special properties and increases its activity within the system. Cysteine ​​is part of many proteins, e.g. keratin, which builds hair, skin, and nails. It also participates in the synthesis of collagen. In addition, cysteine is credited for its antioxidant and anti-inflammatory effects.

Cysteine ​​has a positive effect on the rate and efficiency of detoxification of the body and is successfully used in the treatment of hepatic dysfunction. It protects against the harmful effects of toxins, it also has a strong affinity for heavy metals – it easy binds to them and removes them from the body. Cysteine is also a precursor of glutathione and a component of glutathione peroxidase, which form one of the most effective, endogenous antioxidant systems. Increased supply of cysteine ​​is recommended, among others, in the case of atherosclerosis and an increased risk of cardiovascular disease.

For supplementation purposes, the most commonly used form of cysteine is its free form, which is characterized by excellent bioavailability. Our offer also includes innovative formulas containing N-acetyl-cysteine (NAC). Due to the low molecular weight, it easily penetrates the cells where it releases the cysteine. It is mainly used as a support for the liver (also during and after steroid cycles).

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Apollo's Hegemony
from 12.35 $
(3)

Supplement supporting liver function and removal of toxins from the body.

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Doctor's Best
11.35 $

A versatile supplement for liver protection and detoxification enhancement.

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Now Foods
27.48 $

NAC is a stable form of the amino acid L-Cysteine. It is necessary for the formation of glutathione.

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Life Extension
18.91 $

NAC is a stable form of the amino acid L-Cysteine. It is necessary for the formation of glutathione.

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Now Foods
from 19.92 $

NAC is a stable form of the amino acid L-Cysteine. It is necessary for the formation of glutathione.

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Jarrow Formulas
from 17.40 $

NAC is a stable form of the amino acid L-Cysteine. It is necessary for the formation of glutathione.

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Aliness
8.55 $

N-acetyl-L-cysteine at a dose of 500 mg. Suitable for vegetarians. Free from gluten, lactose, GMOs.

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NAC 600mg Out of stock
Pure
17.40 $

N-acetyl cysteine (NAC). Supports liver function and increases its antioxidant capacity.

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L-Cysteine 500mg
L-Cysteine 500mg Discontinued
Swanson
9.08 $

AjiPure L-Cysteine has antioxidant properties and serves as a precursor to glutathione.

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L-Cysteine 500mg
L-Cysteine 500mg Discontinued
Now Foods
13.87 $

L-Cysteine stabilizes protein structure and aids in the formation of collagen

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