Is vitamin A a miracle nutrient—or a hidden danger?
In this video, we break down the essential functions of vitamin A in the human body, from vision and immune defense to gene expression and glucose metabolism. You’ll learn how vitamin A acts on specific metabolic enzymes like phosphoenolpyruvate carboxykinase (PEPCK) and how it supports the immune system—especially during infections like measles.
We also uncover the dark side of high-dose supplementation. With some communities using vitamin A as a measles remedy or vaccine alternative, cases of vitamin A toxicity (hypervitaminosis A) are becoming a concern. Discover the signs of deficiency vs. overdose, and why balance is key when it comes to this powerful fat-soluble vitamin.
👉 Perfect for students, healthcare professionals, and anyone interested in nutritional biochemistry.
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📘 Sources cited include recent research and biochemistry textbooks.
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