Avoid injecting yourself in the knobby, top part of this muscle
If you have a temporary deficiency or increased requirement (say, after a surgery or during recovery from an acute illness), you might only need a short course, perhaps a few weeks of injections, until your vitamin levels normalize or you can meet your needs by mouth again
Prescription Shots vs
Circulating levels decline with age, from roughly 200 ng/mL at age 20 to about 80 ng/mL by 60. Small split-face human dermatology studies, usually with fewer than 50 participants per arm, report changes in wrinkle depth and skin density
How to Prevent and Overcome Vitamin B12 Overdose The Institute of Medicine reports that there are no adverse effects associated with excess vitamin B12 intake from food and supplements in healthy individuals
A lack of vitamin B12 doesnt directly lead to weight gain, however, so getting a B12 injection alone wont cause you to lose weight no matter how many times your doctor calls the injection a skinny shot