Contents
L-cysteine, which is an amino acid naturally produced in the human body, is an extremely important element for our functioning. You can often see commercials of preparations containing L-cysteine on television – but is it worth supplementing? Is it really such an important substance? What does L-cysteine affect and what is the risk of its deficiency?
L-cysteine - description
L-cysteine is an amino acid, which is an ingredient used, inter alia, to produce the much-needed creatine, positively influencing the appearance and condition of hair and nails. Although L-cysteine our body produces itself, its deficiencies often happen.
L-cysteine is responsible for maintaining proper blood sugar levels, affects the processes of collagen synthesis responsible, among others, for the condition of tendons, skin and even veins. It also helps to detoxify our body during poisoning – including drugs or alcohol. It is also one of the ingredients needed for the synthesis of glutathione, which is a very strong antioxidant that our body produces by itself. Thanks to this L-cysteine helps in the prevention of serious diseases such as ulcerative colitis, cancer, atherosclerosis and male infertility.
L-cysteine is one of the elements necessary in the process of keratin formation. Often, when we have thinning, weak and brittle hair, one of the possibilities to improve its condition is taking dietary supplements containing L-cysteine. Supplementation is a good idea L-cysteiny even when our hair is dry, porous, thin or has split ends. In other cases, the use of L-cysteiny however, it can harm your hair instead of helping it. Although L-cysteine is a popular ingredient in hair care cosmetics, it should not be used without a clear indication.
L-cysteine - indications
Dietary supplements containing L-cysteine can be purchased at pharmacies. They help, among other things, with collagen deficiencies or liver problems (L-cysteine contributes to the normalization of the work of the liver). From being an ingredient needed in the production of collagen, L-cysteine and dietary supplements containing it help with skin problems and its elasticity.
Despite the many advantages of this substance, it is worth making sure that you can supplement it before consuming it. It should be remembered that 7 g are consumed at a time L-cysteiny is a lethal dose. Excessive amount L-cysteiny in the body is dangerous for us, it can cause, among others:
- diarrhea
- vomiting,
- nausea,
- rash and other skin lesions
- headaches.
Significant overdose L-cysteiny can lead to cardiovascular disease. Therefore, you should definitely take dietary supplements containing L-cysteine and it is obligatory to consult a doctor beforehand or if you want to use cosmetics with an additive L-cysteiny (about 4% solution is used in cosmetics). For this purpose, it is recommended to visit a dermatologist or trichologist.
L-cysteine - dietary sources
It is worth remembering the shortages L-cysteiny can be supplemented with natural products by incorporating into ours diet for example:
- meat and fish,
- oh
- milk and milk products,
- legumes (beans, green beans, peas, etc.),
- nuts, seeds and seeds.
It is worth light deficiencies L-cysteiny complete just like that – including to diet the above-mentioned ingredients.
L-cysteine for health problems
In addition to its beneficial effects on hair, nails and skin L-cysteine it is needed in our body also when fighting more serious problems, such as the aforementioned male infertility or severe poisoning, which adversely affects the work and condition of the liver. Your doctor may recommend supplementation L-cysteiny after severe drug or alcohol poisoning to help regenerate our liver. L-cysteine it is also a component of many heart medications due to its participation in the production of collagen, which in turn – apart from keeping the skin in good condition – also affects the condition of our veins and membranes. L-cysteine it also has a positive effect on the joints and cartilage.
This amino acid is responsible for a number of different processes in the body – not only has a positive effect on beauty, but also the work of key organs such as the liver, heart and blood vessels.
L-cysteine - dosage
Recommended dosage L-cysteiny (if we already need to supplement it) it is from 50 to 500 mg a day. It is recommended to take L-cysteiny together with vitamin C, which supports its absorption. The maximum dose is 2400 mg per day, and even such a dose taken without justification is dangerous for the body. Therefore, before starting supplementation with pharmacy products, you should definitely consult a doctor.
In the case of supplementation L-cysteiny cosmetic in the form of a hair mask, conditioner or shampoo, remember that topical application should not be more than 2-4 times a week. It requires prior consultation with a dermatologist or trichologist – it is very possible that the poor condition of our hair is not due to deficiencies L-cysteiny.
Summarizing, L-cysteine it is an important ingredient in our body, but you should be very careful with its supplementation.