Vitamin D is a group of fat-soluble secosteroids responsible for increasing intestinal physics/high-school/rotational-motion-universal-gravitation?dictionary=absorption&did=1470" onclick="getAsistant(this,event,1470,'absorption');return false;" style="color:#009000;">absorption of physics/high-school/rotational-motion-universal-gravitation?dictionary=calcium&did=1754" onclick="getAsistant(this,event,1754,'calcium');return false;" style="color:#009000;">calcium, physics/high-school/rotational-motion-universal-gravitation?dictionary=magnesium&did=1176" onclick="getAsistant(this,event,1176,'magnesium');return false;" style="color:#009000;">magnesium, and physics/high-school/rotational-motion-universal-gravitation?dictionary=phosphate&did=2927" onclick="getAsistant(this,event,2927,'phosphate');return false;" style="color:#009000;">phosphate, and multiple other physics/high-school/rotational-motion-universal-gravitation?dictionary=biological&did=2705" onclick="getAsistant(this,event,2705,'biological');return false;" style="color:#009000;">biological physics/high-school/rotational-motion-universal-gravitation?dictionary=effects&did=1140" onclick="getAsistant(this,event,1140,'effect');return false;" style="color:#009000;">effects. In physics/high-school/rotational-motion-universal-gravitation?dictionary=humans&did=1580" onclick="getAsistant(this,event,1580,'humans');return false;" style="color:#009000;">humans, the most important physics/high-school/rotational-motion-universal-gravitation?dictionary=compounds&did=2612" onclick="getAsistant(this,event,2612,'compounds');return false;" style="color:#009000;">compounds in this group are vitamin D3 (also known as cholecalciferol) and vitamin D2 (ergocalciferol).
The primary source of vitamin D is physics/high-school/rotational-motion-universal-gravitation?dictionary=sunlight&did=1320" onclick="getAsistant(this,event,1320,'sunlight');return false;" style="color:#009000;">sunlight. When our physics/high-school/rotational-motion-universal-gravitation?dictionary=skin&did=1410" onclick="getAsistant(this,event,1410,'skin');return false;" style="color:#009000;">skin is exposed to physics/high-school/rotational-motion-universal-gravitation?dictionary=sunlight&did=1320" onclick="getAsistant(this,event,1320,'sunlight');return false;" style="color:#009000;">sunlight, it produces vitamin D. Additionally, vitamin D can be found in certain physics/high-school/rotational-motion-universal-gravitation?dictionary=foods&did=1592" onclick="getAsistant(this,event,1592,'food');return false;" style="color:#009000;">foods such as fatty physics/high-school/rotational-motion-universal-gravitation?dictionary=fish&did=1948" onclick="getAsistant(this,event,1948,'fish');return false;" style="color:#009000;">fish (salmon, mackerel, sardines), beef physics/high-school/rotational-motion-universal-gravitation?dictionary=liver&did=1029" onclick="getAsistant(this,event,1029,'liver');return false;" style="color:#009000;">liver, cheese, and egg yolks. Some physics/high-school/rotational-motion-universal-gravitation?dictionary=foods&did=1592" onclick="getAsistant(this,event,1592,'food');return false;" style="color:#009000;">foods, such as milk and orange juice, are fortified with vitamin D.
Vitamin D plays a crucial role in maintaining the physics/high-school/rotational-motion-universal-gravitation?dictionary=health&did=1758" onclick="getAsistant(this,event,1758,'health');return false;" style="color:#009000;">health of physics/high-school/rotational-motion-universal-gravitation?dictionary=bones&did=1209" onclick="getAsistant(this,event,1209,'bones');return false;" style="color:#009000;">bones and physics/high-school/rotational-motion-universal-gravitation?dictionary=teeth&did=2928" onclick="getAsistant(this,event,2928,'teeth');return false;" style="color:#009000;">teeth by aiding in the physics/high-school/rotational-motion-universal-gravitation?dictionary=absorption&did=1470" onclick="getAsistant(this,event,1470,'absorption');return false;" style="color:#009000;">absorption of physics/high-school/rotational-motion-universal-gravitation?dictionary=calcium&did=1754" onclick="getAsistant(this,event,1754,'calcium');return false;" style="color:#009000;">calcium and physics/high-school/rotational-motion-universal-gravitation?dictionary=phosphorus&did=1606" onclick="getAsistant(this,event,1606,'phosphorus');return false;" style="color:#009000;">phosphorus. It also supports the physics/high-school/rotational-motion-universal-gravitation?dictionary=immune+system&did=1336" onclick="getAsistant(this,event,1336,'immune system');return false;" style="color:#009000;">immune system, physics/high-school/rotational-motion-universal-gravitation?dictionary=muscle&did=2322" onclick="getAsistant(this,event,2322,'muscle');return false;" style="color:#009000;">muscle function, and helps reduce physics/high-school/rotational-motion-universal-gravitation?dictionary=inflammation&did=1477" onclick="getAsistant(this,event,1477,'inflammation');return false;" style="color:#009000;">inflammation.
A deficiency in vitamin D can physics/high-school/rotational-motion-universal-gravitation?dictionary=lead&did=1514" onclick="getAsistant(this,event,1514,'lead');return false;" style="color:#009000;">lead to physics/high-school/rotational-motion-universal-gravitation?dictionary=bone&did=1696" onclick="getAsistant(this,event,1696,'bone');return false;" style="color:#009000;">bone deformities such as rickets in children and osteomalacia in adults. Conversely, excessive intake of vitamin D can physics/high-school/rotational-motion-universal-gravitation?dictionary=lead&did=1514" onclick="getAsistant(this,event,1514,'lead');return false;" style="color:#009000;">lead to toxicity, resulting in physics/high-school/rotational-motion-universal-gravitation?dictionary=symptoms&did=1963" onclick="getAsistant(this,event,1963,'symptom');return false;" style="color:#009000;">symptoms such as nausea, vomiting, weakness, and kidney damage.