Ophiopogonin D
Ophiopogonin D' is a steroidal saponin and a SIRT1 activator. Ophiopogonin D' can also regulate the activities of transporters OATP1B1 and OATP1B3. Ophiopogonin D' exhibits certain toxicity to tumor cells. Ophiopogonin D' can be used in tumor research[1][2][3].