How do vitamin B12 injections work, and who can actually benefit from them?

Doctors prescribe vitamin B12 shots for people with a B12 deficiency or those with an underlying condition that inteferes ...
Health on MSN

What Happens to Your Weight When You Take B12

Medically reviewed by Amelia MacIntyre, DO Vitamin B12 helps your body make red blood cells, maintain nerve health, may boost energy levels, and support a good metabolism (turning food into energy).
CNET

Should You Be Taking a Vitamin B12 Supplement? Here’s What We Know

Your body can't produce vitamin B12 on its own, so getting it from your diet is important. If you're just starting to study it, we'll help you understand it further.
TheHealthSite

Vitamin B12 Deficiency In Winter: How Long Does It Take To Recover?

Vitamin B12 is an essential component that helps your body make red blood cells and DNA. Although vitamin B12 deficiency is ...
WebMD

Subcutaneous Injections

Subcutaneous (subQ or SQ) injections are shots given in the fatty tissue layer (subcutaneous fat) under your skin. Your skin has many layers, and the subcutaneous layer is beneath the epidermis and ...

Can you take too much vitamin B12? How to find your proper dosage, according to dietitians

You cannot overdose on vitamin B12 because it is a water-soluble vitamin, so any excess is excreted through urine.
Green Matters on MSN

Here's What Happens to Your Weight When You Take B12

What happens to your weight when you take vitamin B12? Your body may have a surprising reaction when you fix any B12 ...