Nutrition
Vitamin D Maintenance Dose
Vitamin D maintenance dose keeps sufficient blood levels after repletion—often moderate daily D3 adjusted for sun, diet, size, and follow-up labs.
Vitamin D maintenance dose is the ongoing daily or weekly intake that keeps 25-hydroxyvitamin D in a sufficient range after deficiency is corrected—commonly 800–2000 IU D3 for many adults, adjusted for obesity, malabsorption, or limited sun. Food and fortified dairy contribute; supplements fill gaps in winter or indoor-heavy lifestyles.
Recheck labs periodically rather than escalating forever.
Common questions
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Is weekly vitamin D dosing okay for maintenance?
Weekly or biweekly equivalents can work if total weekly IU matches your clinician plan and you tolerate the bolus—daily lower doses suit some stomachs better.
Related terms
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