recommended dose for b12 injection Vitamin Dosage Vitamin B12 Injections: Ideal Dosage
Description
Lactation: Generally considered safe for use during breastfeeding but discuss potential risks with a healthcare provider

Allergy Do not use NASO B12 NASAL SPRAY if you are allergic to mecobalamin, cobalt, vitamin B12, and/or any other ingredients of this medicine
The study doesn't say what recommended B12 levels should be, just that its possible some people aren't getting enough, and that more research is needed in this area to figure out optimal levels
AHK-Cu is a much newer peptide, but we already know that it has a ton of potential for hair

10.1007/s13346-018-00613-y [DOI] [PubMed] 15.Parry Strong A, Haeusler S, Weatherall M, Krebs J (2016) Sublingual vitamin B12 compared to intramuscular injection in patients with type 2 diabetes treated with metformin: a randomized trial