best glutathione nasal spray Spray: Daily Guide & Safety Glutathione Nasal Spray - 12ML

That's glutathione

Supports Brain and Nervous System Health Emerging research suggests that BPC-157 may also have neuroprotective effects, promoting the repair of nerve cells and protecting the brain from oxidative stress

A 1000mcg (1mg) dose would be 40 units

The safety and efficacy of N-acetylcysteine as an augmentation in the treatment of obsessive-compulsive disorder in adults: a systematic review and meta-analysis of randomized clinical trials

This means 0.125 mL (12.5 units on an insulin syringe) delivers 0.25 mg (250 mcg)

Typically, NAD therapy starts with a loading phase, during which injections may be administered daily or every other day for one to two weeks