2023-07-22 05:51:00
Vitamin D, known for its role in strengthening bones, muscles, and the immune system, can actually have a negative impact on health if taken in excess on a long-term basis. An overdose of vitamin D can lead to various symptoms and serious health consequences.
Vitamin D plays a crucial role in bone metabolism and supports the absorption of minerals into the bones. It is also involved in metabolic processes, protein formation, and gene control. However, both a deficiency and an overdose of vitamin D can have detrimental effects on the body.
While natural sun exposure does not lead to an overdose of vitamin D, excessive intake through dietary supplements can be a cause for concern. The Federal Institute for Risk Assessment (BfR) warns against taking vitamin D supplements without medical supervision, as higher doses can result in health risks. For those who choose to take vitamin D supplements independently, it is recommended to stick to a daily dose of up to 20 micrograms (800 international units) to avoid health impairments.
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 can vary depending on whether the overdose is acute or chronic.
In light of the COVID-19 pandemic, there have been recommendations for taking vitamin D supplements to protect against infection or severe courses of the disease. However, the BfR advises against preventive intake of vitamin D for this purpose, as the data is still uncertain and there is no evidence that well-supplied individuals benefit from additional doses of vitamin D.
Additionally, vitamin D deficiency can have detrimental effects on bone health, leading to conditions such as osteoporosis. Older individuals, in particular, are at risk of vitamin D deficiency due to reduced sun exposure and decreased vitamin D formation in the skin.
The BfR recommends a general daily vitamin D intake of up to 20 micrograms for nursing home residents, as they may have limited sun exposure and reduced vitamin D formation. It is important to address vitamin D deficiency, as it can have fatal consequences in severe cases.
It is crucial to seek medical advice and supervision when considering vitamin D supplementation, as excessive intake can lead to health complications.]
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