b12 injection vials Injections at Olympia Consult your veterinarian for the appropriate sizes Cyanocobalamin (B12) / Products /

Excess B12 from high oral doses is primarily excreted through urine, which contributes to its low toxicity profile

You may feel a mild soreness at the injection site for a few hours

Vitamin B12 is completely water-soluble, meaning your body safely flushes out any excess, making toxicity non-existent

Serum B12 peaks 2448 hours post-injection and sustains elevated levels for approximately 34 weeks

Understanding vitamin B12 and why it matters Vitamin B12 is an essential water-soluble vitamin that plays a central role in how your body produces energy, forms red blood cells, supports nerve function, and synthesizes DNA

While some NHS areas may offer self-administration after appropriate training, this depends on local policy and is not routinely available everywhere