maximum dose of vitamin b12 injection 3000 mcg Vitamin B-12 5000 mcgInjection

Oral supplementation of B12, unlike the injection, must be given every day

10.1038/s41598-022-19634-2 120 RusR

Oral supplements are available, but most veterinarians prefer the injections, the thought being that they are more reliable since were dealing with cats who have demonstrated a compromised ability to absorb cobalamin through their GI tracts

What is not documented: long-term safety beyond 24 weeks in humans

For face serums Start with clean, dry skin

Make sure your healthcare provider is aware of any medication, supplements, or medical condition you may be taking so that risks can be mitigated and compatibility can be ensured