side effects of b12 injections in humans Common & Rare Vitamin Understanding the B12 Vitamin Shot:

Do not use if tamper-evident packaging is broken

Additional research demonstrates that it can directly target adipose tissue, increasing fat breakdown (lipolysis) and reducing fat cell formation (lipogenesis), especially in regions where stubborn fat deposits are common

That means that not only are vitamin B12 levels the same across those with and without hair loss, but that for those with hair loss, vitamin B12 supplementation generally doesnt improve hair loss outcomes

During the physical examination, your doctor will look for a red, beefy tongue, pale or yellowish skin, a rapid pulse, and heart murmurs resulting from an anemia-related increase in blood flow demands on the heart