This Week In Wellness a new review from the University of Turku, Finland has shown that red, purple and blue pigments in fruits, vegetables, and tubers called anthocyanins may be able to reduce the risk of type 2 diabetes by modulating energy metabolism, inflammation and the gut microbiome. 

https://www.sciencedaily.com/releases/2023/02/230215100419.htm

https://pubs.acs.org/doi/full/10.1021/acs.jafc.2c05879