L-Cysteine (or Cysteine)
L-Cysteine is one of the three glutathione precursors your body needs to make glutathione. The other two are Glycine and Glutamic Acid.
Your body makes cysteine mainly from methionine. Other precursors (building blocks) for cysteine are the minerals: selenium and folate and the B vitamins: B1, B2, B6, B12.
If you are deficient in any of the above nutrients (or they are being used in other bodily functions) your body cannot make cysteine and thus cannot make glutathione.
Sources of cysteine:
You can find cysteine in foods such as RAW milk, RAW eggs, and meats. Sadly though, raw milk is hard to come by and the amount of cysteine from foods is minute.
Another source of cysteine is to increase the precursors of cysteine, such as, methionine, selenium, folate, and the B vitamins from the foods we eat. However, in these modern times these nutrients are often rapidly used in other bodily functions and little is left for cysteine production.
Taking a cysteine supplement is ineffective and can be toxic.
A simple solution is to take N-Acetyl-Cysteine (NAC). Once NAC is absorbed into your body it is easily and quickly converted into cysteine, which is then used by your body to manufacture glutathione.
An excellent supplement that contains the most beneficial and safe amounts of NAC along with the perfect combination of Vitamin C is MaxGXL.
MaxGXL contains other ingredients, as well, that support and work synergistically with NAC to help the body manufacture more cysteine and in turn more glutathione!
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