how long does b12 injection stay in your system Shots at Home: How, Where & Often to Inject Yourself How Long Do the Benefits

I've also read that it also depends on how long you've gone undiagnosed as it starts to repair the damage the deficiency has caused before you actually start to feel any better in yourself

Older adults are more likely to be on multiple medications, increasing the potential for interactions

This long-term storage capability in the liver ensures that the body has a reserve of vitamin B12 that can be utilized over extended periods

B12 offers benefits such as: reduced risk of heart disease reduced risk of stroke reduced risk of vision loss supporting neurological function healthy cell growth, repair, and reproduction mood regulation healthy digestion A person who eats meat, fish, or dairy usually gets enough B12 from their diet

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How the condition is evaluated and managed Clinicians typically confirm B12 status with blood work serum B12, and often methylmalonic acid (MMA) and homocysteine, which rise when B12 is functionally low