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hey guys dr. Berg here in this short video we’re  gonna talk about the cause of night blindness okay  

very simple it’s a classic vitamin A deficiency  now vitamin A sensitizes the cells of the eye  

to respond to light without vitamin a you’re not  going to get the light in the eye and that’s why  

it’s real hard to see at night so vitamin A the  active form is called retinol retinol is mainly  

an animal products now you can have vegetables  convert into retinol but only a very small  

percentage like 4% so chances are if you’re not  consuming vitamin A from an animal source you’re  

going to be somewhat deficient okay typically  that would be enlightened fish oils grass-fed  

animal proteins egg yolks dairy but make sure if  you’re doing fish oil it’s a extra-virgin type  

fish oil like cod liver oil that’s where you  get the vitamin A the good stuff now if you’re  

taking a vitamin A or you’re taking an I don’t  recommend taking synthetic I reccomend getting  

it from the food if you’re taking this and it’s  still not working what you have to look at is the  

gallbladder why because the gallbladder releases  bile bile basically emulsifies and breaks down  

fats and helps you absorb fat soluble vitamins  vitamin A D E K and without this bile you’re not  

going to pull in that vitamin A and that could be  the cause especially if you had your gallbladder  

removed people that don’t have a gallbladder don’t  have the bile the the quantity of bile just to  

really pull in the these fats I love vitamins so  you need two substitutes with some bile salts or  

something to help the gallbladder because you’re  always going to be deficient you have a little  

tube that comes from your liver down into the  intestine but you don’t have that gallbladder  

that concentrates the amount of bile that you  need to release through a meal so so again I  

just wanted to let you know that this is very  easy to fix if you understand the mechanism using  

need to increase this in your diet or fix this  over here okay all right thanks for watching