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Cysteine: what it is and properties


There Cysteine found in meat but also in cheeses, and in some vegetables, it is an important amino acid both for the health of our internal organs and for that for example skin, nails and hair.

Cysteine: what it is

We speak specifically of L-cysteine and we refer to a non-essential amino acid, therefore an amino acid that in theory we can do without, even if in reality it is much better to take it because it helps us to feel better and to make our organism work well in what are also its vital activities.

In particular, who needs Cysteine are elderly people, about seventy years old, and infants, therefore children under one year old, but also all those who know they suffer from some metabolic diseases which lead to not having enough L-cysteine ​​in one's system.

There is also conviction, among some bodybuilder groups, that this amino acid can increase the benefits of physical activity and at the same time reduce the stress and fatigue experienced when lifting weights or similar heavy exertion.

Cysteine: properties

The first effect for which it is important is the one concerning the stomach, because promotes the health of the lining of this organ and also of the intestine. This means that when both are working at their best, they are able to absorb the essential proteins contained in the foods we eat. It is precisely in this that some very young children or elderly people may encounter problems related to gods low levels of L-Cysteine and this causes problems with nutrition and health in general. It is necessary to supplement this amino acid, prescribed by the doctor, in order to be able to absorb the necessary nutrients with your body.

It is not only good for the stomach and intestines, the Cysteine, but also to the skin, nails, hair and much more.
The benefits on hair and nails are related to production of taurine, amino acid that promotes growth and strengthens them. At the same time cysteine ​​acts on the skin in various ways, all of which are quite useful and interesting. Let's start by saying that it counteracts the aging process and can help the healing of scars and burns. When the sun shines, this amino acid protects us and acts as an antioxidant.

As we get older, the symptoms of arthritis improve, and if we smoke or drink, protects us from toxins. Before going to find out where we can find cysteine ​​at the table, let us also mention the use that can be made of it in relation to the paracetamol overdose. When excessive quantities are taken, in one shot, with cysteine ​​it is possible to counteract the negative effects and limit the side effects.

Cysteine: where it is found

We can find it both in foods of animal origin and in foods of plant origin, so even if you are following a vegetarian diet, you can not run out of this important amino acid. It is present in many foods with high protein content, including cured meats, poultry, eggs, dairy products, whey proteins, ricotta, cheeses and meats. The vegetarian foods that provide us with good quantities are red pepper, garlic, broccoli, Brussels sprouts, oats, muesli and wheat germs.

What happens if you don't get enough? You may have problems with being underweight and having difficulty gaining weight, as well as low levels of essential proteins in the blood. These high values ​​also have very obvious consequences such as hair depigmentation, the feeling of continuous and strong fatigue, skin lesions, liver damage and loss of muscle and fat and skin lesions.

To understand if we are taking enough cysteine, we can refer to levels that should generally ensure good health. There is no officially recommended daily dose to be taken but for a healthy adult person, the dosage varies between 500 milligrams and 1.5 grams per day, depending on the age and the reasons for which you take the supplement. This does not apply to children who must not take this amino acid, unless the doctor has specifically prescribed it.

When using this type of supplements, it is mandatory to drink a lot of water, this also means eight glasses a day, first of all to avoid kidney stones, which can happen when you take cysteine ​​in abundance.

Vitamin C can also help in this regard, enough 5 grams per day, according to some studies. The supplement is usually in the form of capsules to be swallowed after eating, with food or lots of water.

Cysteine: contraindications

We have already talked about kidney stones, almost obvious when you have them an accumulation of cysteine, but there are also other rather annoying side effects such as nausea, vomiting, fever, runny nose, drowsiness and choking.

It is clear that if you do not have proper nutrition, it is much more likely to run into it in side effects related to the intake of supplements which are prohibited for pregnant or breastfeeding women or those with diabetes.

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Video: Amino Acids - Cysteine (May 2021).