Again this is rare and likely has more to do with preservative and other things in the injection other than cobalmin since our bodies need this molecule to survive
By bypassing the digestive system, IV therapy allows you to retain more nutrients than oral intake
Independently tested for endotixins, sterility and benzyl alcohol level.
These drugs are taken once weekly by subcutaneous injection (injection under the skin) and are used for improving blood sugar levels, chronic weight management, and cardiovascular risk reduction, depending on the specific drug
Consult your GP to assess whether symptoms are genuinely related to the supplement and discuss alternative formulations if needed
42 Another RCT studied cyano-B12, 1500 g three times per day for 2 weeks (route not reported), in patients with seasonal affective disorder and found no improvements in either the B12 or the placebo group