It's no surprise that these would fly off the shelves (and be suppressed from the public). This is a MUST HAVE in your medicine cabinet. Take this advice as words of wisdom.
NAC 90 is a versatile amino acid and an essential building block for your body. NAC is short for N-acetyl cysteine and it is crucial for boosting antioxidant function. It is commonly used to clear overproduction of mucus associated with sinus and airway congestion, and it is important for neuropsychiatric health.
NAC boosts antioxidant function and is also an important precursor to gluatathione, an essential substance for cellular and liver detoxification. In fact, NAC is one of the very few antioxidants known to actually raise glutathione levels.