Most of the retinol is found in these products. Some of them can and should be consumed every day, while others should be consumed 1-2 times a week.
Liver
Beef liver is famous for its record content of vitamin A. One hundred grams of this product contains just over 8,000 micrograms of retinol. That’s almost three times the upper daily intake for an adult, so you shouldn’t eat beef liver more than once a week.