Are there any nutrients that help NAC work more effectively?
Vitamin C, selenium, lipoic acid, and milk thistle all increase the effectiveness of NAC.

Are there any condition contraindications with NAC?
Low copper and zinc levels may be contraindications to NAC.

Respiratory infections
NAC helps protect against such respiratory ailments as bronchitis, bronchial asthma, emphysema, chronic sinusitis, and may even help protect against lung damage caused by cancer-causing chemicals in cigarette smoke.^3,8,9

Cardiovascular Disease
It is used in treating and preventing cardiovascular disease.⁸

Detoxification
NAC has the ability to detoxify some chemicals.³ NAC is the most common form of cysteine and extremely important in detoxification, often used to treat drug and alcohol overdoses.

Antioxidant
NAC is an amino acid and a precursor to glutathione, the body’s most abundant and powerful antioxidant critical for neutralizing free radicals in every cell in the body, and protecting against the damage done by heavy metal toxicity.⁹

Heart Health
NAC reduces hypertension by relaxing blood vessels and improving blood flow. It has been found useful in treating congestive heart failure.³

Hair loss
If hair loss is due to a sulfur insufficiency, NAC can help hair growth.³