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But how does it work
Baseline (before starting GLP-1 or supplements): 25-hydroxyvitamin D (target: 30-50 ng/mL) Vitamin B12 (target: above 400 pg/mL) Serum iron, ferritin, and TIBC Serum magnesium Serum zinc Complete metabolic panel CBC (to check for anemia) Follow-up testing at 3 and 6 months: Repeat all baseline labs Add: body composition measurement (DEXA scan is gold standard) to track lean mass vs fat mass changes Assess supplement adherence and adjust doses based on results The cost of basic nutritional bloodwork is minimal compared to the cost of undiagnosed deficiencies
Many metabolic compounds work better when taken fasted, allowing peak blood concentrations before food consumption alters digestive processes
Y., Wang, Q
Only testing can tell you the answer, but a daily B12 injection schedule should be your starting point
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