which is better b12 injections or tablets vs Tablets: What You Need to Know Are Vitamin B12 Shots Right

It influences energy metabolism by improving glucose homeostasis and insulin sensitivity and enhances glucose uptake and utilization in cells which leads to improved energy metabolism

I feel like I went in for one problem only to deal with another and this time I have no idea how to handle it whatsoever

Although each one of them has a specific role in our body, taking a combination of these may improve their overall efficacy rather than taking it individually

When absorbed directly through the gut, as food or tablets, your body will only take on as much B12 as it needs, and the excess will pass through your urine