Description : Product Description Viridian Nutritionã¢ÂS High Potency N-Acetyl L-Cysteine (Nac) Is Suitable For Vegans And Produced Via Fermentation. Ingredients: One Capsule Provides: N-Acetyl L-Cysteine 600Mg In A Base Of Alfalfa, Spirulina And Bilberry. Vegan Capsule Ingredients N-Acetyl-L-Cysteine 600 In A Base Of Alfalfa, Bilberry And Spirulina Directions One To Two Capsules Daily