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Common signs include: Fatigue and weakness Numbness or tingling in the hands and feet Difficulty walking or balance problems Mood changes, such as depression or anxiety Cognitive difficulties, including memory loss or confusion If not treated, a B12 deficiency can cause serious problems
Occasional fatigue or drowsiness in initial dosing periods
10.1016/J.TIV.2017.10.020 41 CrookeS
Online sourcing from research chem vendors poses risks of contamination, mislabeling, and inconsistent dosing
These processes slow visible signs of aging and support long-term wellness
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