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8 clinically reviewed articles, written and peer-reviewed by the HealthRX.com Medical Team.
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Showing 8 of 8 clinical reviews.
Learn how 25-OH vitamin D levels affect muscle strength, recovery, injury risk, and athletic performance. Includes optimal ranges, dosing, and the latest clinical evidence.
Read clinical reviewA complete guide to 25-OH vitamin D at-home and finger-prick testing: normal ranges, optimal levels, collection methods, and when to order a confirmatory venipuncture.
Read clinical reviewA decade-by-decade clinical guide to interpreting 25-OH vitamin D lab results, including optimal ranges, deficiency thresholds, supplementation doses, and age-specific risks backed by primary evidence.
Read clinical reviewWhat serum 25-OH vitamin D level should you actually aim for? This HealthRX clinical guide covers standard lab ranges, longevity-medicine targets, deficiency thresholds, optimal dosing, and the latest trial evidence reviewed by the HealthRX medical team.
Read clinical reviewA clinical guide to how common medications raise or lower 25-OH vitamin D levels, including corticosteroids, anticonvulsants, GLP-1 agonists, and more. Includes optimal ranges, dosing guidance, and monitoring protocols.
Read clinical reviewLearn how to interpret rising, falling, and plateauing 25-OH vitamin D levels over time, including optimal ranges, repletion kinetics, and when to escalate dosing based on primary literature and society guidelines.
Read clinical reviewHow diet, fasting, supplements, and sun exposure affect your 25-OH vitamin D lab value, with optimal ranges, deficiency thresholds, and clinical guidance backed by primary literature.
Read clinical reviewHow sex, menstrual cycle phase, pregnancy, and hormone therapy affect 25-OH vitamin D levels, what optimal ranges look like for men and women, and when to retest.
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