What is accurate
\nVitamin D is essential. It helps the body absorb calcium, supports bone health, and plays important roles in muscle function and the immune system.
\nToo much vitamin D can be harmful. Because it is fat-soluble, excessive supplementation over time can lead to vitamin D toxicity (hypervitaminosis D), which usually causes high blood calcium (hypercalcemia).
\nSymptoms of toxicity can include:
\nExcessive thirst
\nFrequent urination
\nNausea and vomiting
\nConstipation
\nFatigue and weakness
\nConfusion
\nKidney stones or kidney damage in severe cases
\nHeart rhythm disturbances in rare, severe cases
\nWhat is exaggerated
\nThe headline (“quietly saving your bones\u2014or silently poisoning your kidneys”) is designed to create fear. Vitamin D toxicity is uncommon and almost never occurs from normal sun exposure or eating typical foods.
\nMost cases of toxicity result from taking very large doses of supplements for extended periods, often far above recommended amounts or because of manufacturing errors or medical mistakes.
\nThe evidence-based advice<\/p>\n
For most healthy adults:<\/p>\n
The recommended daily intake is 600 IU (15 mcg) for adults up to age 70 and 800 IU (20 mcg) for adults over 70, although individual needs vary.
\nThe generally accepted Tolerable Upper Intake Level for adults is 4,000 IU (100 mcg) per day unless a healthcare professional recommends a higher dose for a specific medical reason.
\nHigher doses (such as 5,000\u201310,000 IU daily or more) may be prescribed for vitamin D deficiency, but they should be monitored with blood tests.
\nBottom line<\/p>\n
Vitamin D is safe and beneficial when taken appropriately. Toxicity is rare, but it can occur with prolonged excessive supplementation. If you’re taking high-dose vitamin D or multiple supplements containing vitamin D, it’s a good idea to review your total intake with a healthcare professional and, if appropriate, have your blood vitamin D and calcium levels checked. The goal is to correct deficiency\u2014not to maximize vitamin D levels beyond what the body needs.<\/p>\n","protected":false},"excerpt":{"rendered":"
What is accurate Vitamin D is essential. It helps the body absorb calcium, supports bone health, and plays important roles in muscle function and the immune system…. <\/p>\n","protected":false},"author":3,"featured_media":16169,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-16254","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-story"],"yoast_head":"\n