how to self inject b12 in thigh intramuscular vitamin injection site Injections at Home Ivy Grove Surgery : Self-administration

For active B12 deficiency, most clinicians recommend weekly or biweekly shots for the first 4 to 6 weeks, then a maintenance shot every 1 to 3 months

This dose is given daily for the first week to quickly fill up body stores

Because its a water-soluble vitamin, any excess that isnt used should be flushed from the body and not pose too much risk (not the case with fat-soluble vitamins like vitamin A)

[4] Pharmacokinetics and Distribution Pharmacokinetic work in mice reported systemic exposure and distribution of 5-Amino-1MQ to metabolically active tissues, including adipose, muscle, and liver, after subcutaneous compound application

No, you can book a Vitamin B12 injection directly at Hodgson Pharmacy without a GP referral.