NAC Sustain is a Quick Release/Sustained Release formulation of N-Acetyl-L-Cysteine (NAC), an antioxidant amino acid and a precursor to the antioxidant glutathione. Glutathione is important for detoxification. NAC Sustain is formulated with advanced bilayer Sustain tablets that combine 1/3 Quick Release and 2/3 Sustained Release formats to release NAC over time.Dietary ConsiderationsWheat FreeDairy/ Milk FreeGluten FreeVegetarianSoy FreeVeganEgg FreeShellfish FreeFish FreeTree Nut FreePeanut FreeServing Size:1 TabletServings Per Container:60Amount Per ServingN-Acetyl-L-Cysteine mgOther IngredientsCarbomer, cellulose, calcium phosphate, beet root powder (for color), stearic acid (vegetable source), magnesium stearate (vegetable source), silicon dioxide, food-grade coating (cellulose)Suggested UseTake 1 tablet 1 to 2 times per day, preferably on an empty stomach with fruit juice or as directed by your qualified healthcare professional.WarningsProlonged or elevated intake may alter liver function tests without affecting actual liver function. Inform your physician that you are ingesting NAC if you undergo liver function tests. Consult a healthcare professional before using this product if you are trying to conceive, pregnant, or lactating, under the age of 18, or have a medical condition; if adverse reactions occur, discontinue use. Keep out of the reach of children. Store in a cool, dry place.