A 5-year-old Orem-based network marketing company is struggling under the twin challenges of financial losses and a legal attack by a vendor that is turning itself into a competitor.

Biosyntrx Corp. is partnering with Wellosophy Corp. to include a professional-strength version of a proprietary hydrogel gastric bulking technology (SWELL®) into Biosyntrx’s new mealtime portion-control product (Avantrx™).