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Description
Bergomi M, Rovesti S, Vinceti M, Vivoli R, Caselgrandi E, Vivoli G

They promote digestive health, heart health, weight management, and can help stabilize blood sugar levels

The Cochrane database Syst Rev (2012) 2012(8):CD000402

doi: 10.1016/j.jnutbio.2015.10.004

That said, certain people may see the most value

GTP cyclohydrolase 1 is encoded by the GCH1 gene