✓ GENUINE CLEAN NAC - 800mg Per Capsule - 1600mg Per Serving. ✓ LETTER BOX FRIENDLY - ECO FRIENDLY PACKAGES - FULL MONEY BACK GUARANTEE. ✓ NO NASTY CHEMICALS OR FILLERS - VERY RARE IN THE SUPPLEMENT WORLD - 5greens PRODUCT AND CAPSULES ARE 100% NATURAL - SUITABLE FOR VEGANS. ✓ HIGH POTENCY 100% PURE NAC ( N-Acetyl- Cysteine ). 5greens NAC capsules only contains N-Acetyl- Cysteine powder. This means that you'll only find the active ingredients in the capsule without any of the unnecessary fillers chemicals or sugars .Just one to two small capsule is needed per day of this concentrated extract.