It also improves immunological function
Some people are unable to manufacture Intrinsic Factor, a condition called pernicious anemia, making it impossible to absorb Vitamin B12 from foods or oral supplements
Antioxidant enzyme defenses include superoxide dismutase (SOD), catalase, glutathione peroxidase, thioredoxin and peroxiredoxin, and glutathione transferase
On the practical question, the evidence points one way: combine at the point of use if at all one syringe or two, given close together and keep them as separate vials in storage, where there is no stability data to justify a pre-mixed blend
Today, it remains legal with a prescription and can be compounded under Section 503A of the Food, Drug, and Cosmetic Act
The next step may be clinical trials, in which the authors must determine if the new drug works better and produces fewer side effects than NAC in humans