Systm Foods, a joint venture between brand accelerator Systm Brands and FMCG investment firm Ground Force Capital, has acquired drinks firm Humm for an undisclosed amount. Founded in 2009, Humm makes what is said to be the first and only Whole 30-approved kombucha. It will be added to the Systm Foods portfolio alongside fellow plant-based functional beverage brands REBBL and Chameleon Organic Coffee. Commenting on the deal, Andy Fathollahi, CEO …