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Methylcobalamin, also known as Methyl B12, is a naturally occurring form of vitamin B12 that can also be found in foods like fish, meat, eggs, and milk
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
Studied for longevity, weight management, and metabolic health
The recommended 2mL creates a 5mg/mL concentration that simplifies dosing while maintaining stability