buy one get one free, highly absorbable, free form n-acetyl cysteine, convenient, one-a-day capsule, vegetarian & vegan-friendly n-acetyl-cysteine (nac) is the stable form of cysteine, one of twenty amino acids involved in building proteins throughout the body. we’ve taken every step to produce a high-quality nac formula that offers exceptional value for your money. each small, easy-to-swallow capsule contains 600mg of pure n-acetyl-cysteine, a level consistent with studies. we’ve also provided nac in its free form – which doesn’t require any digesting – to facilitate superior absorption. nac is one of the few amino acids that contains sulphur & its associated sulphuric smell. although this smell is quite normal, we've chosen a capsule casing over a straight powder or tablet to reduce the incidence of any odour. we manufacture & package our formula in uk factories working to strict good manufacturing practice (gmp) to meet our rigorous quality standards. this product is suitable for vegetarians & vegans. still unsure if our n-acetyl-cysteine 600g is the right choice for you? reach out to our expert nutrition team//aadvice//class=f-brand!important, who can help you pick from our extensive product offerings.