Cnidium have been studied by many biochemists and pharmacologists. Cnidiadin, cnidimine, archangelican, and columbianetin are the active ingredients of Cnidium that have been researched extensively due to their curious restorative sexual effects.
In fact, studies among castrated animals have shown that they made uncanny and significant restoration of sexual function after injections of high doses of Cnidium compounds.
GUARANTEE/SHIPPING INFORMATION Shen Tong Zhu Yu Tang Powder is shipped in a discrete, unmarked package. Orders are processed immediately and usually take about 3 to 5 working days to be received. We do ask that you try it for 2 to 3 weeks to feel the full effects. Any information received is used only for order processing and shipping purposes. Your information, such as e-mail address, will never be disclosed to a third party.