NAC amino acid (n-acetyl cysteine) information page

NAC - N-acetyl cysteine (NAC) is an altered form of the amino acid cysteine, which is commonly found in food and synthesized by the body

on this page

• NAC is required for
• Deficiency of NAC
• Dosage
• Toxicity and symptoms of high intake
• When more may be required
• Food sources of NAC
• n-acetyl cysteine found in the following Zest for Life products

NAC is required for

NAC may assist to break down mucus and used in the treatment of bronchitis - for this reason it is used as an inhalant in hospitals in the treatment of bronchitis. It assists the body in synthesizing glutathione and helps to protect the body from acetaminophen (the ingredient in Tylenol).

Deficiency of NAC

Not determined.

Dosage

The dosage listed is the Recommended Daily Allowance (RDA), but be aware that this dosage is the minimum that you require per day, to ward off serious deficiency of this particular nutrient. In the therapeutic use of this nutrient, the dosage is usually increased considerably, but the toxicity level must be kept in mind.

Dosage is not known but 250-1500 mg per day is used.

Toxicity and symptoms of high intake

Toxicity has not been determined, but may increase the amount of zinc excreted in the urine and for this reason it may be a good idea to use zinc and copper supplements if using N-acetyl cysteine (NAC) for extended periods.

When more may be required

People with bronchitis, emphysema, infected HIV or busy with chemotherapy might find benefit from this nutrient.

Food sources of NAC

Cysteine, the amino acid from which NAC is derived, is found in most high-protein foods.

n-acetyl cysteine found in the following Zest for Life products

• None.

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Nutritional information

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