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Some people notice certain effects within days
PubMed Ho, E.N., Kwok, W.H., Lau, M.Y., Wong, A.S., Wan, T.S., Lam, K.K., Schiff, P.J., Morishima, M., & Wong, C.H
If you've been feeling sluggish or low-energy lately, getting B12 injections might help you get back on track (especially if you have a B12 deficiency)
They're not direct substitutes for each other
After receiving her medical degree from University of California San Diego, she completed her residency at Yale University School of Medicine and her fellowship in Reproductive Endocrinology and Infertility at Stanford University School of Medicine
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