Started Feb 2021, a few hundred entries, most by a single person (KalleMP) Table of Contents (Oct 2023) 1 Vitamin-D Info (Cholecalciferol) 1.1 History 1.1.1 Early 1.1.2 Discovery 1.1.3 Recent 1.2 Forms 1.2.1 Biosynthesis of Vitamin-D3 1.2.1.1 7-Dehydrocholesterol 1.2.1.2 Cholecalciferol 1.2.1.3 Calcidiol 1.2.1.4 Calcitriol 1.2.1.5 Other 1.2.1.6 Prescription 1.2.2 D2 1.3 Deficiency 1.3.1 Genetic 1.3.1.1 Protective 1.3.1.2 Aggravating 1.3.2 Disease 1.3.3 Global 1.3.4 Seasonal 1.3.4.1 Winter 1.3.4.2 Summer 1.3.5 Work place 1.4 Dosing 1.4.1 Daily 1.4.2 Bolus 1.4.3 Metabolites 1.5 Sources 1.5.1 Skin 1.5.1.1 Sun 1.5.1.2 UVB therapy 1.5.1.3 Heliotherapy 1.5.2 Diet 1.5.3 Industrial 1.5.3.1 Lanolin 1.5.3.2 Lichen 1.5.3.3 Seaweed 1.5.3.4 Mushrooms 1.5.3.5 Yeast 1.5.3.6 Bacteria 1.5.3.7 Patents 1.6 Testing 1.6.1 Serum 1.6.1.1 VitaminD 1.6.1.2 25(OH)D3 1.6.1.3 1,25(OH)2D3 1.6.1.4 Other 1.6.2 Saliva 1.6.3 Supplements 1.7 Benefits 1.7.1 Bone 1.7.2 Muscles 1.7.3 Autoimmune 1.7.3.1 Psoriasis 1.7.3.2 MS 1.7.4 Immune system 1.7.4.1 Seasonal Influenza 1.7.4.2 Congregate Living 1.7.5 Cancer 1.7.6 Endothelium 1.7.7 Pregnancy 1.7.8 Lactation 1.7.8.1 Provide for infant 1.7.9 Dental 1.7.10 Vaccine injury 1.8 Safety 1.8.1 Acute toxicity 1.8.2 Bolus 1.8.3 Daily 1.8.4 Metabolites 1.8.5 Food 1.8.6 Sun 1.8.7 Treatment 1.8.8 Myths 1.9 Resources 1.9.1 Wikipedia 1.9.2 PubMed 1.9.3 Journals 1.9.4 Blogs 1.9.5 Facebook 1.9.6 YouTube 1.9.7 Twitter 1.9.8 Web 1.9.9 Repository 1.9.10 Other sources 1.10 Advocates 1.10.1 Europe 1.10.2 Americas 1.10.3 Other 1.11 Controversy 1.11.1 Historical errors 1.11.2 Research negligence 1.11.3 Measurement variability 1.11.4 Ergocalciferol / Vitamin-D2 1.12 Tangential 1.12.1 1.12.2 1.13 CoViD-19 1.13.1 Clinical trials 1.13.2 Other trials 1.13.3 Interventions 1.13.3.1 Europe 1.13.3.2 Americas 1.13.3.3 Other 1.13.4 Community 1.13.4.1 GrassRootsHealth 1.13.4.2 signatures 1.13.4.3 UK Petition 1.13.4.4 Vitamin-D for All 1.13.4.5 France doctors and learned bodies 1.14 Supplementation 1.14.1 Treatment regimes 1.14.2 1.15 Cofactors 1.15.1 Magnesium 1.15.2 Vitamin-K2 1.15.3 Zinc 1.16 Biology 1.16.1 1.16.2 2 Info 2.1 Unit conversions 2.2 Glossary 2.3 International spelling 2.4 Public Health bodies 2.4.1 Endocrine Society 2.4.2 IoM 2.4.3 THL 3 References