Predict Vitamin D
It is very difficult to predict the response to supplementation of Vitamin D, or additional sun/UV
There are a huge number of factors involved.
This page also has studies predicting deficiency without Vitamin D tests
Examples of studies that Predict Vitamin D levels
Vitamin D deficiency predicted with 91% accuracy ( AI, age, paywall) - April 2024
Predictors of low vitamin D: race, age, and BMI (confirmed now by Machine Learning) – Feb 2024
Low Vitamin D during pregnancy identified with just 5 questions (for less than 12 ng) – June 2022
Top 10 signs of Vitamin D Deficiency (9 minute Video) - Oct 2021
Estimate Vitamin D levels based on questionnaires (12 studies) – July 2020
Is a senior Vitamin D insufficient - a 2 minute questionnaire is 85 percent accurate – Nov 2019
Toward predicting vitamin D levels without a blood test. by Vitamin D Life
Quick, FREE, self-test for Vitamin D deficiency 90% chance <20 ng

Here are all of the Predict Vitamin D articles
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