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kidney or liver disease
Fasting glucose levels remained stable
Severe B12 deficiency is widely reported and leads to pernicious anemia since your body needs B12 to make red blood cells, and a deficiency limits its capabilities to build them
It's still a cosmetic ingredient, not a drug , which means the regulatory bar for evidence is lower than for pharmaceutical approval
Unpacking the Variables Once the initial loading dose has corrected the severe deficiency, the focus shifts to maintaining healthy B12 levels
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