how long to feel the effects of b12 injection Quickly Does a Shot Work? What Expect How Long Does a B12

However, this difference was not statistically significant (p=0.270)

B12 shots are massive doses of the water-soluble vitaminfound in foods such as shellfish, beef liver, and fortified breakfast cerealsthat is essential for neurological function, red blood cell formation, and DNA synthesis

dietary sources include green leafy vegetables

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