N-Acetyl Cysteine is a sulfur-containing compound, thus a sulfur odor can be a normal characteristic of this product.
Description: N-Acetyl Cysteine USP 500 mg 90 caps
Serving Size: 1 capsule
Other ingredients: Vegetarian capsule (hydroxypropyl methylcellulose, water) cellulose, L-leucine, and silicon dioxide.
Suggested Use: 1 capsule daily as a dietary supplement, or as directed by a doctor
*These statements have not been evaluated by the FDA. This product is not intended to diagnose, cure, treat, or prevent any disease.