Other drugs may interact with cyanocobalamin, including prescription and over-the-counter medicines, vitamins, and herbal products
Sharper focus and mental clarity B12 supports the protective coating around your nerves and the brain chemistry behind clear thinking, memory, and mental speed
It plays a critical role in the production of energy from long-chain fatty acids
Last reviewed: July 18, 2026 Last updated: July 18, 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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To get an adequate amount of vitamin B12, you must eat foods that contain the nutrient and make the protein that helps you absorb it