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Welcome to the Dr. Burg's Healthy Keto and Interminute Fasting Podcast.

Where Dr. Burg takes you on the journey for the truth about getting healthy and losing healthy weight.

So today I want to talk about why they named vitamin A retinol.

Now, could it have something to do with the word retinol?

Well, the answer is absolutely yes.

So vitamin A, the active form of vitamin A retinol, has everything to do with supporting the retina.

And the retina is this extension of your central nervous system, your brain that's sticking

out of your skull, deep in your eye.

And it has certain receptors that are sensitive to light, allowing you to see.

So vitamin A helps form this photosensitive pigment in the retina.

It's called visual purple or redopsin.

And this pigment converts light into electrical signals.

And one of the first symptoms of vitamin A deficiency is loss of night vision.

So vitamin A retinol helps you see in the dark.

So if you're driving at night and it's getting dark or it's a rainy night and you're having

a difficult time seeing, that's a real good indication that you may need some more vitamin A.

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