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Long-acting vitamin B12 injection SMARTSHOT B 12 is a long-acting, vitamin B 12 injection for sheep and calves

It does not cause photosensitivity (unlike retinoids), does not thin the skin (unlike corticosteroids), and does not require a tolerance-building period

Last reviewed: June 11, 2026 Last updated: June 11, 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

Red Blood Cell Production : B12 is necessary for the production of red blood cells, which are essential for oxygen transport throughout the body

B-12 Lipo-Plus injections are beneficial for: Individuals experiencing fatigue or brain fog

However, the relationship is not strictly linear there appears to be a plateau effect at higher doses, suggesting an optimal dosing range beyond which further increases provide diminishing returns