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Vitamin A2 (3,4-dehydroretinal) is an alternative and less active type of vitamin A present in freshwater fish. Other forms are in the body but absent or rarely
found in foods. [1]Benefits of Vitamin AVitamin A is an important vitamin when it comes to maintaining your vision and forming tear fluid. You’d actually go blind without it! Vitamin A is an immune system booster that’s
also necessary for cell growth, including hair growth. [2] [3] [4] Vitamin A is vital for fertility and fetal development. [5]Keto Food Sources of Vitamin AAnimal products such as the following are the only direct sources of vitamin A: LiverFish liver oilButterYour body can also derive vitamin A from certain carotenoidantioxidants in plants (provitamin A). Beta-carotene is the most efficient of these, and is found in higher amounts in veggies like kale, spinach, and carrots. [6] [7]Keep in mind that, depending on factors like genetics, provitamin A isn’t always efficiently converted into retinol, which is the active form of vitamin A. Those on a vegan diet or a diet lacking in meat, fat, and vegetables could be at risk of vitamin A deficiency. [8]Symptoms of Vitamin A DeficiencySymptoms of a vitamin A deficiency include dry eyes, hair loss, and poor immune function. [9] Symptoms of Vitamin A ToxicityLike most things in your body, balance is needed.