injectable vitamin b12 is considered a dietary supplement Injections Rx only Sold in 100 mL Oral vs. Intramuscular Vitamin B12

How to Minimise the Risk of Side Effects To reduce the risk of side effects, ensure that: The injections are performed by an experienced professional

In summary, the reasons a GP surgery may refuse an early B12 injection are often rooted in a strict interpretation of established, but imperfect, guidelines, a misunderstanding of the actual science of B12 storage and metabolism, and a desire to maintain administrative consistency

That said, sublingual supplementation and intramuscular injections both bypass gastric absorption and may have higher efficacy rates

However, it's important to note that individual results may vary, and these injections are not a standalone solution for significant, long-term weight loss

After the injection, instead of just putting the cap back on the needle, take a moment to gently massage the area for a minute

Kidney disease: Impaired renal function reduces B12 clearance, leading to accumulation