Tag: Pregnancy and nutrition

According to the National Institutes of Health, excessive intake of preformed vitamin A can cause severe headaches, blurred vision, dizziness, and muscle aches, with more severe consequences possible in certain populations. This makes it critical to understand who is most vulnerable to hypervitaminosis A.

While essential for vision, immune function, and reproduction, excessive consumption of preformed vitamin A can lead to acute and chronic toxicity, a condition known as hypervitaminosis A. The risks are generally not associated with food-based sources but primarily with high-dose supplements or certain medications.