NAC 60 Tab by BioTechUSA is a food supplement in tablet form based on N-acetyl-L-cysteine, a derivative of L-cysteine. The formulation declares 38% of this ingredient. It is presented in a high-density jar with a screw safety cap and hygienic factory seal, in 60 Tab format. The packaging states «60 tablets that provide 60 full days of continuous daily use under the protocol of 1 tablet per day», while the directions for use say: «Take ½ tablet in the morning before eating, with a glass of water». These instructions are contradictory: confirm the dose with the manufacturer before consuming it. Do not exceed the recommended daily dose. It does not replace a varied and balanced diet or a healthy lifestyle. Keep out of the reach of children. Not recommended for children, adolescents, pregnancy or breastfeeding. Consult your specialist if you take medication, especially nitroglycerin-based drugs or anticoagulants, or if you have a peptic ulcer. Store in a cool, dry and dark place, keeping the jar tightly closed. The responsible company is BioTech USA Kft., located in Hungary. Check the allergen warnings.