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2 A closer look at our services If you need a primary care provider, MinuteClinic may be an option for you
Last reviewed: July 13, 2026 Last updated: July 13, 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
Vitamin B12 and Its Benefits Vitamin B12, or cobalamin, is a water-soluble vitamin found primarily in animal products like meat, fish, dairy, and fortified foods
Open question Whether the same mechanisms are clinically meaningful in humans is not yet established
Stomach or bowel conditions, autoimmune disease and previous gastrointestinal surgery
Store under refrigeration 2 to 8C (36 to 46F)
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