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Tag: Vitamin d testing

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How Do You Know If You Need Extra Vitamin D?

5 min read
According to the National Institutes of Health, a significant portion of the global population has insufficient or deficient vitamin D levels. Recognizing the signs of low vitamin D is the first step toward correcting a deficiency and preventing long-term health complications.

What Level Is Considered Vitamin D Deficiency?

4 min read
According to the National Institutes of Health, approximately one billion people worldwide have vitamin D deficiency. Determining what level is considered vitamin D deficiency can be complex, as expert opinions on the precise threshold vary slightly. This guide explains the established ranges for vitamin D levels and how they are interpreted by medical professionals.

How much vitamin D should you supplement if you are deficient?

4 min read
According to the National Institutes of Health, over one billion people globally are deficient in vitamin D. Correcting this deficiency is crucial for bone and overall health, but the ideal supplementation strategy depends on individual factors and the severity of the deficiency.

Understanding What is a Severe Vitamin D Deficiency

2 min read
According to a 2018 study, severe vitamin D deficiency, defined as serum 25(OH)D levels below 12 ng/mL, significantly increases the risk of serious health issues, including higher mortality rates. This critical medical condition results from extremely low levels of the essential vitamin and has profound effects on the body's musculoskeletal system and overall well-being.

What is a Toxic Vitamin D 25-Hydroxy Level?

3 min read
While vitamin D is essential for health, a dangerously high level, known as vitamin D toxicity or hypervitaminosis D, can occur from excessive supplementation. This condition typically arises when serum 25-hydroxyvitamin D (25(OH)D) concentrations surpass 150 ng/mL, leading to a host of serious health problems.

Who is most likely to have low vitamin D?

4 min read
According to the CDC, roughly 41% of U.S. adults have a vitamin D deficiency. Understanding who is most likely to have low vitamin D is the first step toward prevention, as several key risk factors significantly increase an individual's chances of developing this common nutrient shortfall.

What is 25 hydroxy vitamin D also known as?

1 min read
The human body naturally converts vitamin D, whether from sunlight or diet, into a chemical known as 25 hydroxy vitamin D, or 25(OH)D. This metabolite is the most reliable indicator of your overall vitamin D status and is also commonly known as calcifediol or calcidiol.

What is an unsafe vitamin D level and how to avoid toxicity?

4 min read
While most people are concerned with getting enough vitamin D, an excess of this fat-soluble vitamin can be harmful, with levels above 125 nmol/L (50 ng/mL) potentially causing health problems. An unsafe vitamin D level, also known as hypervitaminosis D, is almost always the result of taking excessively high doses of supplements over an extended period.