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Iron management: Get baseline ferritin levels checked before starting retatrutide Target ferritin above 50 ng/mL (ideally 70+ for optimal hair health) If levels are below 30 ng/mL, supplement with 18-36mg elemental iron daily Take iron with vitamin C for enhanced absorption Avoid taking iron with calcium, coffee, or tea (which inhibit absorption) Recheck ferritin every 3 months during treatment Zinc supplementation: 15-30mg of zinc gluconate or zinc picolinate daily Take with food to prevent nausea Balance with 1-2mg copper if supplementing above 25mg zinc (zinc competes with copper for absorption) Zinc is particularly important during the first 3-6 months of rapid weight loss Vitamin D optimization: Target blood levels of 40-60 ng/mL Most people need 2,000-5,000 IU daily, especially during caloric restriction Take with a fat-containing meal for optimal absorption Test levels at baseline and every 3-6 months Biotin and B-vitamins: 5,000mcg biotin daily (standard hair-support dose) A B-complex supplement covers folate, B12, and B6, all of which support cellular processes in the follicle Note: high-dose biotin can interfere with certain lab tests, so inform your healthcare provider Strategy 2: controlled weight loss pacing The relationship between weight loss speed and hair shedding is well-established

Body weight and metabolic health also affect GLP-1 dynamics
This hormone sends signals to the brain that promote satiety, slow digestion, and reduce appetite
The action of carnitine is particularly valuable since it not only promotes lipid catabolism but also helps in detoxifying and regenerating cells, restoring the physiological functionality of the dermis
This is especially relevant for perimenopausal women who already face natural declines in muscle mass and bone density that place them at greater risk for poor aging outcomes if left unaddressed