how to give myself b12 injections video Safe Injection Guide at Home Read about all of the

Folic acid alone will not treat Vitamin B12 deficiency or prevent possible damage to the spinal cord

B12 injections provide significant benefits including increased energy levels, improved mood, cognitive function, and alleviation of deficiency symptoms, especially for at-risk groups like older adults and those with digestive disorders

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Last reviewed: May 30, 2026 Last updated: May 30, 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

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