As it is the case with similar substances, such as fructans or inulin, sinistrin acts as an energy storage molecule in plants.

[1] Today sinistrin is industrially manufactured out of the bulb of red squill by various extraction and purification steps.

[citation needed] In 2018, the French pharmacovigilance agency withdrew sinistrin-based products from the market after some patients experienced hypersensitivity reactions including a fatal outcome.

GFR is the volume of fluid filtered from the renal (kidney) glomerular capillaries into the Bowman's capsule per time unit.

[7] To measure this parameter, a marker substance is injected into the blood stream, and its rate of excretion in urine is compared to the plasma concentration.