Lamberts N-Acetyl Cysteine (NAC) is a one-a-day formula that provides a full 600mg of NAC. Made in the UK and produced in premises that operate to stringent pharmaceutical standards of GMP. It is suitable for vegetarians.NAC is an altered form of the amino acid L-Cysteine and is one of the few amino acids to contain sulphur. As a consequence, NAC has strong sulphur like odour, which is completely normal.NAC increases the amount of a substance called glutathione in the body and is widely recommended by practitioners. IngredientsEach capsule deliversN-Acetyl Cysteine (NAC)600mg  Capsule shell (Hydroxypropyl Methylcellulose) Silicon dioxide, Magnesium Stearate, Rice Flour Directions For UseTake 1 capsule daily with a meal or as directed by a practitioner or pharmacist.Do not exceed daily recommended dose.Food supplements should not replace a balanced diet and healthy lifestyle.