Most adults will maintain a normal vitamin D level with a daily 2,000iu daily ingestion of separate(not connected to calcium or other multivitamins) vitamin D3 daily.
Uninzi lwabantu abadala bayaligcina inqanaba levitamin D eliqhelekileyo ngokutya ama-2,000iu evitamin yonke imihla ngamathamo ahlukeneyo evitamin D3 yonke imihla (enganxulumananga necalcium okanye ezinye iivitamin eziliqela).