vitamin b12 injection brands brand name Methylcobalamin B12 Injection 1000 mcg/ml (2ml Ampoule) at ₹ 15/piece in Surat Buy Full-B12 Injection Online: View
Description
If you want deeper hydration and a full nutrient reset, IV therapy might be the better fit

The needles (that I originally bought for the Methyl B12) are Insulin syringes

The follow-up that matters for this specific compound landed in 2018, when a small-molecule NNMT inhibitor was given to obese mice

The NHS lists injection-site pain and itching as common and self-limiting
