Your Health. Your Questions. Answers You Can Understand.

Welcome to the TotalWellCoach Health and Wellness Library. Explore evidence-informed articles about healthy aging, nutrition, fatigue, sleep, metabolic health, emotional well-being, supplements, and understanding your health.

Written by Joyce Strong, RN, BSN, to help you become a more knowledgeable, confident participant in your own care.

Joyce Strong 8/30/26 Joyce Strong 8/30/26

Vitamin D3 + K2 Is Everywhere. Do You Actually Need 5,000 IU?

Vitamin D is important, but more is not automatically better. Here’s what to know about D3, K2, MK-7, 5,000 IU dosing, blood testing and when supplementation actually makes sense.