There are no significant restrictions, but you should avoid vigorously massaging the injection site for a few hours
Because methylcobalamin is classed as a nutritional supplement and is not a licensed prescription only medicine in the UK, it is not available via the NHS and is being offered more and more by non-healthcare and non-prescribing practitioners as a treatment for wellness, fatigue, and to boost energy, without making any medical claims around deficiency, and is rarely combined with a supplement of adenosylcobalamin
The resulting force of the water coming out of the smaller one will be greater than the larger one, thus a smaller gauge needle has a higher risk of causing damage to the soft tissue leading to possible pain and tenderness at the site
A recent systematic review and meta-analysis of 21 randomized, placebo-controlled trials examining the effect of B-vitamin supplementation found the supplementation decreased homocysteine concentrations and improved measures global cognitive function but had no effect on individual measures of executive function, information processing speed, or episodic memory (89)
It is recommended that you gently tap the plunger of the syringe to release any air bubbles
Keep reading to learn more about vitamin B12 injections and see if they might be right for you