Baseline Levels of Vitamin D in a Healthy Population from a Region with High Solar Irradiation
Nutrients 2021, 13(5), 1647; https://doi.org/10.3390/nu13051647
Alicia García-Dorta 1,Lillian Medina-Vega 2,Jacobo Javier Villacampa-Jiménez 2 OrcID,Marta Hernández-Díaz 1,Sagrario Bustabad-Reyes 1,Enrique González-Dávila 3 OrcID andFederico Díaz-González 1,4,*
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- Fewer health problems if increase vitamin D
- Many Vicious loops: low D ==> diseases ==> lower D
Diabetes + Heart Failure + Chronic Pain + Depression + Autism + Breast Cancer + Colon Cancer + Prostate Cancer + BPH (prostate) + Preeclampsia + Premature Birth + Falls + Cognitive Decline + Respiratory Tract Infection + Influenza + Tuberculosis + Chronic Obstructive Pulmonary Disease + Lupus + Inflammatory Bowel Syndrome + Urinary Tract Infection + Poor Sleep + Growing Pain + Multiple Sclerosis + PMS + Schizophrenia + Endometriosis + Smoking 27 problems
Note: Once a week also fights: COVID, Headaches, Colds, Fibromyalgia, Asthma, Hives, Colitis etc.
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The use of vitamin D (VitD) supplements has become widespread in the last decade due not only to the dissociation between the blood levels recommended as “optimal” and those shown by the healthy population but also to its presumed beneficial effects on multiple disorders. This work evaluated the levels of 25-hydroxyvitamin D (25(OH)D) in a healthy population of European origin living in a region with high solar irradiation. In serum samples from a population-based study conducted in the Canary Islands, levels of 25(OH)D were analyzed. In 876 individuals who had no history of kidney or malabsorption disorders and, who had not been treated with calcium and/or VitD supplementation, the median 25(OH)D level was 26.3 (5th; 95th percentile, 14.3; 45.8) ng/mL. Notably, 65.4% of the population had 25(OH)D blood levels below 30 ng/mL, 23.4% below 20 ng/mL and 6.4% below 15 ng/mL. Based on the lack of evidence supporting causality between 25(OH)D levels below what is recommended as optimal (≥20 ng/mL, or even ≥30 ng/mL) and major skeletal and non-skeletal diseases, and in light of the distribution of the concentration of this vitamin in healthy adults living under optimal conditions of solar irradiation, it seems reasonable to consider 25(OH)D levels below 20 ng/mL