Comment l’exercice aide à maintenir des niveaux sains de vitamine D en hiver
https://articles.mercola.com/sites/articles/archive/2026/10/06/exercise-helps-maintain-healthy-vitamin-d-levels.aspx français https://etouffoir-blogspot-com.translate.goog/2026/10/comment-lexercice-aide-maintenir-des.html?_x_tr_sl=hl&_x_tr_tl=fr&_x_tr_hl=fr Analysis by Dr. Joseph Mercola . 6 octobre 2026 Story at-a-glance During winter in northern climates, sunlight is too weak to trigger vitamin D production, leaving many people — especially those with excess body fat — at risk for deficiency A 10-week randomized controlled trial in inactive adults with overweight or obesity found that exercise alone, without supplements or weight loss, helped maintain levels of active vitamin D In the trial, physical activity was associated with changes in vitamin D-related enzyme activity in fat tissue — a shift the researchers link to better conversion of stored vitamin D into its usable form and slower breakdown of it People with the most fat tissue sa...