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They can provide personalized recommendations based on your health status, lifestyle, and preferences, ensuring that you choose the most effective method for maintaining your B12 levels
Last reviewed: July 1, 2026 Last updated: July 1, 2026 Written by: Jay Hastings, CEO of PlexusDx Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations
Common side effects include mild injection site reactions (such as pain, redness, or swelling), headache, flushing, dizziness, and nausea
2 nd ed
B12 shots support brain health and can improve mood, reducing feelings of anxiety and depression
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