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doi: 10.1007/s11695-009-0008-3

Earlier results may include reduced shedding or improved scalp feel, with visible density changes taking longer

Keith Lafferty MD, Fort Myers on October 10, 2025

Of course, there are certain situations where you should talk to your doctor about the possibility of needing more vitamin B12if you are vegan (meaning you dont eat animal products), are over 60, or have a condition or take a medication that could deplete your B12 levels, leading to a variety of symptoms (see below)
