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A: Many people notice improved energy within 24-48 hours of their first injection, though individual responses vary
Stomach acid is necessary to release vitamin B12 from food, and intrinsic factor is required for its absorption
Interestingly, most people are deficient in vitamin B12, especially vegetarians or vegans, and persons with specific diseases
Last reviewed: May 31, 2026 Last updated: May 31, 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
So, is weight loss with shots of B12 plausible
You may be an ideal candidate for vitamin B12 injections at Aspire MedSpa and Beauty Bar if: You have or are at risk for vitamin B12 deficiency
