![Guaranteed Flavonoid Level (GFL) – BeeVital’s Quality Mark](http://herbalapothecaryuk.com/cdn/shop/articles/Whole_Health_Range_700x700_crop_center.jpg?v=1682503497)
Guaranteed Flavonoid Level (GFL) – BeeVital’s Quality Mark
One of the big challenges consumers face when shopping for propolis supplements is a lack of standardisation. With our Guaranteed Flavonoid Level (GFL) standard, BeeVital aims to solve this problem. Flavonoids are the key component of propolis. Plant and tree...