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    GenerationPharmacy

    Cysteine donor / antioxidant

    N-Acetylcysteine (NAC)

    White capsule

    GlyNAC glutathione support

    Typical Strength

    per prescriber

    Formulations

    1 compounds

    Formula

    C₅H₉NO₃S

    Mol. Weight

    163.20 g/mol

    oral capsule

    How It Works

    Mechanism of action

    Acetylated form of cysteine that supplies the rate-limiting amino acid for glutathione synthesis, and is itself an antioxidant and mucolytic. Paired with glycine in GlyNAC formulas.

    What compounding can change

    When N-Acetylcysteine (NAC) is compounded for one patient, your prescriber can choose the concentration, combine it with other ingredients, and pick the base. Commercial products come in fixed strengths and bases.

    Safety Considerations

    GI upset
    sulfur odor
    caution with nitroglycerin

    Commonly paired with

    These ingredients frequently appear alongside N-Acetylcysteine (NAC) in our formulations.

    Browse all ingredients

    Please note: Compounded medications require a prescription from a licensed prescriber for an individual patient. Compounded medications are not FDA-approved. The FDA does not review them for safety, effectiveness or quality. A compounded medication is not the same as, or a generic version of, any FDA-approved drug. This page is general information, not medical advice. Your prescriber decides whether a treatment is right for you and sets the final ingredients, strength and dosage form.