If the cost of providing this research is high, who would fund this peer-reviewed research which wouldn't make them any money? For example, who would fund more

If the cost of providing this research is high, who would fund this peer-reviewed research which wouldn't make them any money? For example, who would fund more studies on ginger? https://nutritionfacts.org/video/ginger-for-migraines/ https://nutritionfacts.org/video/ginger-for-migraines/