I found a little trick that actually worked with the numbness, after a b12 your potassium level can drop considerably so I ate a banana after my third shot, a pretty big one though not a small one, and my goodness the difference was unbelievable
Vitamin B12 (Cobalamin): Essential for energy, focus, and healthy nerve function
Step 1: Consultation A practitioner will assess your symptoms, lifestyle, and medical background to determine suitability
B12 is present in supplements and foods that have been fortified, making them potentially easier to absorb
What this means for you: this was a hospital population, so the percentages are far higher than in a well person having a routine check
Combined with lifestyle changes, Vitamin B12 injections can help boost your energy levels and speed up your metabolism to help you lose weight