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Although there is a relationship between low vitamin B 12 levels and cognitive decline, clinical studies - including those involving people with Alzheimer's disease - have not shown improvement in cognitive function, even doses of vitamin B 12 as high as 1000 micrograms per day
Last reviewed: June 8, 2026 Last updated: June 8, 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
Researchers study it for tissue repair, angiogenesis, tendon-to-bone healing, and gastrointestinal mucosal protection
Chewing stimulates saliva flow and physically removes food debris and bacteria
Its been a long road, but this users life is completely different from when they first decided to lose weight
