vitamin b12 injections before chemotherapy Bloods taken and injection done (in my bum 😳). I've got folic acid, steroid and water tablets too 😶‍🌫️ The drugs I'll be having next Wednesday are ➡️ Pemetrexed Not All B12 Injections Are

Patients recovering from surgeries, especially those involving the digestive tract, should closely monitor their B12 levels

It does so by donating its methyl group (a carbon atom bonded to three hydrogen atoms) to a cobalamin (B12) molecule, forming methylcobalamin , which then donates it to homocysteine, forming methionine

Pregnancy and Breastfeeding: B12 needs increase during these times, and injections can be beneficial

Subcutaneous B12 Injection Methods Subcutaneous B12 injections are a good choice for those who find traditional shots hard to take

Even if you do get a Doctor to order your Vitamin B12 level they may still say its normal or insist that taking Vitamin B12 is unnecessary and unlikely to help