how much for vitamin b12 injections Injections: What You Need To Know B12 Shots for Weight Loss:

Depression, memory loss, and behavioral changes B12 Deficiency Treatments You may require shots of B12 at first

If you're not getting enough B12, you can experience anemia, fatigue, weakness, constipation, decreased appetite, weight loss, dizziness, lightheadedness, confusion, poor memory, soreness of your tongue and mouth, and tingling and numbness in your hands and feet, according to Harvard Health Publishing

Wadden TA, Hollander P, Klein S, Niswender K, Woo V, Hale PM, et al

In healthy people with normal B levels, additional B has no effect on energy metabolism

Vegans and vegetarians

Those more likely to experience rough symptoms initially include: People with chronic inflammation or autoimmune disorders