It would be advisable to tell him / her that you have supplemented with B12 (since a high serum B12 level, in the ABSENCE of supplementation, can be indicative of other serious conditions, so your GP will need to know that the high level is probably due to supplements)
Increased Energy : Feel revitalized and combat daily fatigue
Specific peptides, including growth hormone and gonadotropin-releasing hormone, are key regulators of glucose and lipid metabolism, influencing the bodys ability to manage these vital processes
What additional health benefits can vitamin B12 injections provide beyond increased energy
These injections are often used to target stubborn fat, promote its breakdown for energy, and support overall weight loss efforts when combined with a healthy diet and exercise
The severity of your deficiency will impact how quickly your body responds to the B12 injection and how long it takes to feel the full benefits