Vitamin D Self Exam - (probably 2024)
- Do you stay indoors between 10 am to 2 pm?
- Do you have a dark skin tone?
- Are you overweight or obese?
- Are you suffering from Diabetes or High Blood Pressure?
- Do you often feel pain in the muscles?
- Do you frequently suffer from a a radiating pain in the neck, shoulder or back?
- Do you feel very tired and weak after a long day?
- Are you suffering from recurring attacks of cold or cough?
- Do you regularly use sunscreen/umbrella when going out?
- Do you often fall sick?
- Does your wounds take longer to heal?
- Do you tend to forget things very often?
- How often do you consume alcohol?
VitaminDWiki – Tests for Vitamin D contains:
- Fact: Many countries no longer pay for more than 1 (some not pay for even a single Vit D test)
They feel that Vit D testing is not needed except for a few conditions (Rickets, etc) Japan is an exception - Fact: Vit D tests are not very accurate
The best lab tests have accuracies and repeatabilities of +-5 ng
Low cost vitamin D Blood Tests - both in lab and at home
Many lab tests have accuracies and repeatabilities of +- 10 ng - or worse
Vitamin D deficiency of a group - 15% to 48% - Fact: Low-cost office/home Vit D tests are available around the world (not US as of 2018)
Low-cost 35 ng Y/N test by Nanospeed
Low-cost Vitamin D testers (two yes-no tests for 11 dollars) - 2024 Nanospeed
Quick, free, self test for deficiency - Fact: 3 major Vit D gene problems are not noticed by Vit D tests
~ 20% of people have poor Vit D genes
Hint that Vit D not getting to cells: Vit D related diseases run in your family
Another hint - you have one of the 40 diseases which are 2X more likely if have poor genes - Fact: A Vit D test will rarely (<1 in 1000) indicate that you are getting too much
- Opinion: If only getting a single test, wait till after supplementing with Vit D
3 months after starting a maintenance dose or 4 weeks after a loading dose
VitaminDWiki – Predict Vitamin D category contains:
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
- Predicted Vitamin D levels for health young women had 95% accuracy using neural network (paywall) – July 2024
- 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 screening 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
- Simple Vitamin D deficiency scoring system – Feb 2016
- Toward predicting vitamin D levels without a blood test. by VitaminDWiki
- Excellent prediction of very low vitamin D in elderly from just 16 questions (analyzed by ML) – June 2017
- Quick, free, self test of vitamin D deficiency 90% chance <20 ng
| 434 visitors, last modified 14 Jul, 2024, |