Better Heart Health Vitamin B12 plays a role in reducing homocysteine levels in the blood, a known risk factor for heart disease
B12 oral supplements are also readily available but these take longer to work and there is no guarantee that the body will absorb them effectively due to the digestion process
Ideally, the injection is administered into a fatty layer of skin, such as: back of arm, abdomen, or flank/lumbar region
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Initial response time also depends on: Severity of the B12 deficiency Frequency of injections Underlying health conditions Absorption and metabolism differences If youre getting your first B12 shot, your provider may start you on a more aggressive schedule, such as weekly injections until your levels are normalized
This means the health benefits associated with B12 will be less noticeable, leading to less red blood cell production