Vitamatic Vitamin D3 50,000 IU (as Cholecalciferol), Once Weekly Dose, – VitamaticUSA
Do You Really Need to Take Vitamin D Supplements? – Cleveland Clinic
Mega-dosing vitamin D: Doctor-prescribed 50,000 IU vitamin D may be right for some patients – Hartford Courant
D3 Week-60K Capsule 4's Price, Uses, Side Effects, Composition - Apollo Pharmacy
60,000 IU dose of VItamin D (weekly, monthly) is popular in India | VitaminDWiki
Vitamin D deficiency - Wikipedia
Vitamin D3 (Cholecalciferol) - Side Effects, Interactions, Uses, Dosage, Warnings | Everyday Health
Amazon.com: Vitamatic Vitamin D3 50,000 IU (as Cholecalciferol), Once Weekly Dose, 1250 mcg, 60 Veggie Capsules 1 Year Supply, Progressive Formula Helping Vitamin D Deficiencies (60 Count (Pack of 1)) : Health & Household