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Most headaches are mild and go away within a few hours
If there is any vitamin B12 your body doesnt use right away from the injection, it will store it in your liver to use over time, keeping your body healthier for a longer period
Last reviewed: June 27, 2026 Last updated: June 27, 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
Fat Metabolism & Weight Loss Support B12 is directly involved in the metabolism of fatty acids it participates in the biochemical pathways that break down fat for energy
It has been used very successfully for many years in B12 therapy to treat various pathologies
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