Medicinal powers is a correct and usable phrase in written English.
You can use it to refer to the healing abilities of a certain substance or treatment. For example: "The plant's leaves have been used for centuries to harness its medicinal powers."
He argues that magnetic forces explain everything from the movement of the sun and stars (which he insists orbit the Earth, Copernicus be damned) to the physical attraction of sexual energy (bodies of similar natures attract, yada yada) to the medicinal powers of herbal remedies (good medicine "pulls what is similar to its own nature" and draws it out, or something).
The Tamagawa baths, situated in the mountains of Japan's Akita prefecture, have long been believed to hold medicinal powers.
Caudalie is a skin-care line best suited for fans of the good life: it was founded in Bordeaux on the philosophy that the grape has medicinal powers.
THE FACTS For centuries, garlic has been extolled not just for its versatility in the kitchen but also for its medicinal powers.
Ivory powder is valued in Asia for its purported medicinal powers, and the officers were worried someone might try to sweep up the ashes and sell them.
A favorite of emperors and imbued with vague medicinal powers, Pu'er was supposedly invented by eighth-century horseback traders who compressed the tea leaves into cakes for easier transport.
Mr. Ducheneaux emphasized the medicinal power of marijuana.
It has always been considered a safe healthy drink, a therapeutic agent having medicinal power (antioxidant and antimicrobial activity), enhancing longevity, reducing cardiovascular diseases, and reducing the risk of type 2 diabetes.
Absorbents can cause the medication to bind to the intestine and colon, diminishing their medicinal power.
The belief in the medicinal-spiritual power of albinos is strongest in Tanzania, where advocacy groups have recorded dozens of killings and dozens more mutilations and attempted attacks over the last 15 years.
Contemporary Chinese is flecked with references to jade — the word is used to describe beautiful and pure women — and many people say they believe it has medicinal and even magical powers.
