NAC capsules are gluten free. 

We use the fermentation source NAC (bacterial culture non animal) which is synthetic .

Our NAC capsules (600mg per capsule) have been formulated for use by humans but can be safely used by pets, with vets often recommending NAC supplementation...

NAC - short for N-Acetyl-Cysteine - is one of those supplements that doesn't get much shelf space in the supermarket but turns up regularly in conversat...