2023-08-02 11:03:00
Recent studies have shown that while Vitamin D is essential for many important functions in the body, too much of it can have negative health effects. Vitamin D, also known as the “sun vitamin,” is primarily obtained through exposure to sunlight. The body has a mechanism that regulates the production of vitamin D from sunlight, preventing overdose. However, overdose can occur if individuals regularly take high doses of vitamin D supplements without medical supervision.
The Federal Institute for Risk Assessment (BfR) has issued a warning regarding the risks associated with self-administered vitamin D supplements. They strongly advise that higher doses should only be taken under medical supervision and with consideration of individual vitamin D status. The consequences of a vitamin D overdose can be severe, as illustrated by a recent case in the UK where a man experienced kidney damage, nausea, and vomiting.
Typical symptoms of a vitamin D overdose include nausea, vomiting, loss of appetite, extreme thirst, increased urination, weakness, headache, nervousness, kidney stones, kidney damage, stomach cramps, and fatigue. The severity of these symptoms depends on whether the overdose is acute or chronic. Long-term excessive intake of vitamin D can lead to serious kidney complications and even kidney failure.
It is important to note that during the COVID-19 pandemic, there have been recommendations for taking vitamin D to protect against infection or severe illness. However, the BfR warns against the preventive intake of vitamin D for this purpose, citing insufficient data to support its effectiveness in preventing or treating COVID-19.
Vitamin D deficiency is a genuine concern, especially for older people who may have limited sun exposure and decreased vitamin D production in the skin. A deficiency in vitamin D can lead to weakened bones, muscle weakness, bone pain, and osteoporosis. The BfR recommends a daily intake of up to 20 micrograms of vitamin D for nursing home residents and the elderly.
It is crucial for individuals to consult with their healthcare providers before starting any new vitamin D supplementation regimen to avoid potential health risks. Vitamin D supplements should only be taken according to professional advice and based on an individual’s specific needs and vitamin D status.
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