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The dose is usually 1,000 mcg
Preclinical and clinical evidence of NAD+ precursors in health, disease, and ageing
Signs You May Have a B12 Deficiency B12 deficiency can cause a variety of symptoms, including fatigue, headaches, depression, pale or yellow skin, mental impairment, and pain and inflammation of the mouth and tongue
Reassess before any escalation: A dose increase should follow a protocol need and a review of prior observations
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