Tag: Vitamin d intolerance

According to the NIH, vitamin D toxicity, a form of what is often mistaken for vitamin D intolerance, is almost always caused by excessive consumption of dietary supplements and not from diet or sun exposure. Understanding the real reasons behind adverse reactions to this vital nutrient is key to proper diagnosis and management.

Reports indicate that up to 50% of the world's population may be vitamin D insufficient, prompting many to supplement. Yet, for some, taking this popular 'sunshine vitamin' leads to uncomfortable and surprising symptoms, leaving them to wonder: why do I feel worse after vitamin D?