Who should not take retinol?

You should not take retinol or vitamin A if you are allergic to or have a hypersensitivity to this supplement, as you can suffer from an allergic reaction.

People who have liver disease, consume excess alcohol, or smoke should not take a vitamin A or retinol supplement.

Talk to your doctor about proper amounts of retinol and vitamin A during pregnancy, as too much or too little can lead to birth defects.

Retinol and vitamin A should be a part of everyone's diet, as it aids in cellular growth and visual health. 

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.