daily injections of vitamin b12 Benefits for Optimal Health Vitamin B-12 Injections in Denver,
Description
Oral Supplements You can supplement vitamin B12 through either injections or oral supplements

CVS Vitamin B12 Tablets, 200 Count How to get it CVS Vitamin B12 Tablets, 200 Count 200 Ct, 0.15 lbs
Bioavailability of oral formulations is typically 1-3% compared to near 100% for subcutaneous injection
What FDA has said recently (high-level, patient-friendly summary) FDA maintains a page describing certain bulk drug substances used in compounding that may present significant safety risks, including AOD-9604, noting concerns such as potential immunogenicity and limited safety-related information for some uses/routes

Even if you can appropriately figure out how to use them, you still cant ensure quality in a completely unregulated environment of research chemicals