That sounds like one of those viral “miracle remedy” claims—and it’s worth being cautious.
Kidneys don’t typically “recover” just from a single drink or one specific daily recipe. Real improvement depends on the underlying cause (like dehydration, infection, high blood pressure, or conditions such as Chronic Kidney Disease), and it usually involves consistent medical care, diet changes, and sometimes medication.
Some drinks can support kidney health in a general way—like staying well hydrated with water, or moderate intake of things like unsweetened cranberry juice (for certain urinary issues). But anything claiming “one cup a day will fix your kidneys” is almost certainly oversimplified or misleading.
If you want, you can share the actual recipe, and I’ll break down whether it’s helpful, harmless, or something to avoid.