How USMLE Tricked You on Vitamin Interactions

USMLE Step 1: Nutrient Interactions Explained | Vitamins, Minerals & Clinical Vignettes Why can too much zinc cause copper deficiency? Why does vitamin D toxicity raise calcium? How can folic acid hide vitamin B12 deficiency? Learn to solve these questions using mechanisms, not obvious keywords. This comprehensive, no-voice visual masterclass teaches nutrient absorption, functional antagonism, mineral balance, metabolism, clinical lab interpretation and medication-related deficiencies. Includes 10 original practice questions with answer explanations. WHAT YOU WILL LEARN • Zinc → copper: intestinal metallothionein, anemia, neutropenia and myelopathy • Iron, vitamin C, calcium and zinc: absorption enhancers and inhibitors • Vitamin D → calcium: hypercalcemia and suppressed PTH • Magnesium → potassium and calcium: refractory hypokalemia and PTH effects • Folate versus B12: methyl-folate trap, MMA and masking of anemia • Vitamin E versus vitamin K-dependent hemostasis • Iodine excess: Wolff–Chaikoff versus Jod–Basedow • Selenium-dependent thyroid hormone metabolism • B1, B6, biotin and nutrient-related metabolic cofactors • Fat malabsorption, medications and refeeding syndrome MEDICAL REFERENCES NIH ODS: https://ods.od.nih.gov/factsheets Like, share and subscribe to USMLE Step 1 Questions for more high-yield medical review. #USMLEStep1, #NutrientInteractions, #VitaminDeficiency #MedicalEducation, #Step1Prep,