Nitroglycerin interacts with NAC.Taking N-acetyl cysteine seems to increase the effects of nitroglycerin. This could cause increased chance of side effects including headache, dizziness, and lightheadedness.

Twice daily administration or three times daily administration is commonly recommended.

During pregnancy and lactation, this product should not be used without doctor's advice.

No major side have been reported. Mild side effects such as nausea,vomiting,stomach upset and swelling of eyes have been noted.

Generally, Nac+ is beneficial for men and women suffering with kidney disorder, PCOS, stomach ulcers and influenza illness. It can also be used an anti oxidant. It is used as an antidote for paracetamol poisoning.

There is a concern that N-acetyl cysteine might cause bronchospasm in people with asthma if inhaled or taken by mouth or through a tube in the windpipe. If you take N-acetyl cysteine and have asthma, you should be monitored by your healthcare provider.