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Vitamin B12 is necessary for patients with a low serum level of vitamin B12 because they take particular medications or because they suffer from pernicious anemia, gastrointestinal or autoimmune disorders, or alcoholism
Copper Deficiency: Several post-marketing cases have reported that high doses of supplemental zinc (approximately 10 times the recommended dosage of 3 mg/day Zinc Sulfate Injection in adults) taken over extended periods of time (i.e., months to years) may result in decreased enteral copper absorption and copper deficiency
Regular retesting intervals allow for treatment optimization and ensure that therapeutic blood levels are maintained over time
But you cant just switch locations without adjusting your technique different spot, different needle, different approach
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