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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Richest source of Vitamin D -
assistant
The correct answer is  Halibut liver oil contain 500-10,000 Microban per 100g . egg contain - 1 . 25microgram, Milk 0.1micrigram per 100g.REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE 21ST EDITION. PAGE NO - 617