Cysteine and cystine are non-essential amino acids produced by the body that have different health benefits, including skin protection, hair growth, and aiding in surgical recovery. Supplements can increase levels, but cystine is less easily absorbed and can lead to complications. Consult a doctor before taking supplements.
Cysteine and cystine are two types of amino acids produced by the body, which means they are classified as non-essential amino acids. These two amino acids are necessary for certain, albeit different, aspects of health. Cysteine helps promote skin protection through the production of white blood cells and collagen and aids in the production of an antioxidant known as glutathione, while cystine can aid in surgical recovery, hair growth, and treatment. from anemia. Cystine is produced in the body from two cysteine molecules. Despite this, cysteine and cystine work differently to maintain health.
Cysteine and cystine levels can be increased through dietary supplements that can be used for various purposes. A specific protein called alpha-keratin contains a large amount of cystine and is responsible for the growth of hair and nails. Many over-the-counter or anti-aging products contain alpha-keratin due to cystine and its potential benefits. Cysteine is believed to trigger collagen growth and increase skin elasticity. Studies have shown that cystine can improve hair health and growth.
In addition to the influences cysteine and cystine have on skin, collagen, and hair regrowth, research has shown that cysteine influences other aspects of the body. Cysteine has the ability to aid in the body’s production of glutathione, which is an antioxidant. This antioxidant may help reduce the risks of developing some types of cancer and hardening of the arteries. Many doctors believe that cysteine can help break down the mucus that can be found in patients with bronchitis and emphysema.
Another difference between cysteine and cystine is in how the body absorbs the supplements. Cysteine is more easily absorbed by the body than cystine, so supplements are more commonly made from cysteine. Additionally, cystinosis can be a complication that occurs when cystine levels in the body are extremely high. Cystinosis is a disease that leads to the development of crystals that cause kidney and bladder stones.
Although cysteine and cystine are naturally produced by the body, there are cases where supplementation can be beneficial. Methionine is an essential amino acid that the body cannot synthesize. Therefore, it must be obtained from food. If a person does not get adequate amounts of methionine through food, cystine and cysteine levels can be affected. Supplements of these two amino acids can help bring the levels in the body back to normal. However, a doctor should always be consulted before using cysteine and cystine supplements.
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