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Contraindication

Qiu Z, Chen X, Geng T, et al. Associations of serum carotenoids with risk of cardiovascular mortality among individuals with type 2 diabetes: Results from NHANES. Diabetes Care 2022;45(6):1453-1461. View abstract. Steinmetz KA, Potter JD. Vegetables, fruit, and cancer. I. Epidemiology. Cancer Causes Control 1991;2:325-57. View abstract. This is because of the way it works in the body. Most of us get plenty of vitamin A and its provitamin, carotenoids from our diet alone. Furthermore, our bodies can store vitamin A up for later.