Medications and supplements A metallic taste in the mouth is a common side effect of certain medications, such as antibiotics ( metronidazole , clarithromycin , tetracycline ), blood pressure medications ( captopril ), gout medicines ( allopurinol ), diabetes medications ( metformin ), glaucoma medicines ( methazolamide ), and psychiatric drugs ( lithium )
All reported effects are observed in controlled in vitro and animal experiments
However, NAC has been shown to restore GSH levels in cases such as acetaminophen (paracetamol) overdose, where an acute depletion of GSH is observed [17]
Reber, S
Potential concerns include: Unknown product quality Contamination or sterility issues Incorrect dosing Injection site reactions Allergic or immune reactions Medication interactions Hormonal or metabolic effects Unclear long-term safety Lack of monitoring Delayed treatment for an actual injury or medical condition Medical oversight is especially important for patients with autoimmune conditions, cancer history, active infections, chronic inflammatory disorders, cardiovascular concerns, hormone-sensitive conditions, or complex medication regimens