the 50 mg vial gives 20 doses at 2.5 mg
That means peas, beans, lentils, tofu as well as leafy and starchy greens
Discontinue and reassess if shedding seems disproportionate to expected adjustment
The most widely used osmotic agent in potato to date is sorbitol (Gopal und Iwama 2007
Its shipped in powdered form in vials, meaning it needs to be properly reconstituted with bacteriostatic water (which can be purchased on Amazon or from a peptide supplier without a prescription), kept sterile and refrigerated, and ultimately injected with a 1-cc syringe (with the same kind of tiny needle that folks taking insulin use)
If your calculated dose falls below 5 units (0.05 mL), you either need a 0.3 mL syringe with finer markings or you should add more bacteriostatic water to reduce the concentration