If vitamin C, strong AHAs/BHAs, low-pH exfoliants, and retinols are part of your regular skincare routine, I wouldn't say you're not a candidate for copper peptides rather, you need to be more strategic about timing
[27] Additionally, anyone with Lebers hereditary optic neuropathy (a rare inherited eye disease) must avoid cyanocobalamin injections, since B can precipitate rapid worsening of that condition
Q: What routes of administration does bacteriostatic water support
Clinical Evidence: B12 Effectiveness for Different Types of Nerve Pain Vitamin B12 is being used more to treat nerve pain
Monitor ferritin levels and supplement if needed
In people without vitamin B12 deficiency, evidence does not consistently show cognitive benefit from supplementation alone