is oral b12 as effective as injections Compounded Hydroxocobalamin (Vitamin B12) Injection B12 Injection vs. Oral Supplements:
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[DOI] [PubMed] [Google Scholar] 204.Boss O, Hagen T, Lowell BB

You don't have to figure this out through trial and error
[11] Women from South Asian backgrounds show higher rates of B12 deficiency in UK populations and may benefit from assessment

Another tip is to incorporate stress-reducing activities into your routine

These are the standard B12 injection sites for self-administration

Synthetic vitamin B12 supplements usually have cobalamin in their name
