Once digested beta – carotene is converted into Vitamin A. There is evidence to suggest that supplementing this ingredient along with other vitamins can help with vision in older age (1).
Despite the claims there is no evidence to suggest that this ingredient can prevent cancer, in fact in higher doses (over 20mg per day), has been seen to increase the risk, (2). In addition to this it has not been found to help reduce CVD risk factors (3).
+ Helps with eyesight in older age – No evidence on preventing cancer
– No evidence on reducing CVD risk factors
– Can become harmful when taken in large doses (Over 20mg/day)
1 – Gorin, M. B., Chew, E., & Clemons, E. (2017). Long-Term Effects of Vitamins C, E, Beta-Carotene and Zinc on Age-Related Macular Degeneration. AREDS Report No. 35.
2 – Druesne‐Pecollo, N., Latino‐Martel, P., Norat, T., Barrandon, E., Bertrais, S., Galan, P., & Hercberg, S. (2010). Beta‐carotene supplementation and cancer risk: a systematic review and metaanalysis of randomized controlled trials. International journal of cancer, 127(1), 172-184.
3 – Omenn, Gilbert S., et al. “Effects of a combination of beta carotene and vitamin A on lung cancer and cardiovascular disease.” New England journal of medicine 334.18 (1996): 1150-1155.