Ofufuza a ku US posachedwapa apeza mphamvu yolimbikitsa thanzi ya yamatcheri: ma pigment awo (anthocyanins) amathandizira kupanga insulini mu kapamba ndipo motero amatha kuchepetsa shuga m'magazi. Insulin imasuntha shuga kuchokera m'magazi kupita ku maselo. Madokotala akukhulupirira kuti ndizotheka kuti mtundu wa 2 shuga ungapewedwe ndi chipatsocho. Kuti zimenezi zitheke, munthu ayenera kudya osachepera khumi yamatcheri patsiku. Langizo: Matcheri okoma amdima amapereka anthocyanins kwambiri ndipo amathandiza kwambiri poyesa kuchepetsa shuga wamagazi.