You wont be allowed to work out with your arms or pick up heavy loads until around 4-6 weeks after this procedure, though you will likely feel like you could before then its best not to stress your sutures, for the final result of the scar
It could very well be co-existing conditions or habits in B12-deficient folks, which are causing the weight gain
Rather than starting at 500mcg, consider beginning at 200-250mcg for the first week
The impact of the energy from the lasers powerful pulse of light has been described as similar to getting snapped by a thin hot, rubber band
doi:10.1186/s40200-016-0250-x
Dietary sources of B12 are almost exclusively animal-derived and include: Meat and poultry Fish and shellfish Dairy products and eggs Fortified foods such as certain breakfast cereals and plant-based milks B12 is absorbed in the small intestine with the help of a protein called intrinsic factor , produced by the stomach lining