Vitamin B12 : The recommended daily dose is 2.4 mcg for adults, but higher doses (5001,000 mcg) may be prescribed to treat deficiencies
This cycling approach prevents receptor desensitization and maintains effectiveness across multiple cycles
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Screening for vitamin B12 deficiency is done for patients with one or more risk factors, such as gastric or small intestine resections, and inflammatory bowel disease
Clinically, however, the evidence is mixed : Vitamin B12 has a well-established role in energy metabolism, especially in deficient individuals
People with Limited Sun Exposure Individuals who have limited sun exposure, whether due to lifestyle, geographic location, or medical conditions, are at a higher risk of vitamin D deficiency