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While vitamin B12 naturally occurs in the body, making allergic reactions to it exceedingly rare, certain additives or preservatives in some preparations could cause mild localized reactions, such as redness or itching
Therefore, it is important to ensure that B12 intake is sufficient to maintain a healthy supply of red blood cells
Why B12 Injections in Greater Boston Are Gaining Popularity Vitamin B12 plays a critical role in energy production, brain function, and red blood cell formation
Rare but Serious Adverse Effects Even though rare, serious side effects can happen
Researchers should evaluate the product based on batch documentation, identity verification, and proper laboratory handling rather than powder color alone
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