Is cinchona bark for sale in the us?

Yes, cinchona bark is available for sale in the U.S., primarily through herbal supplement retailers and online stores. It's often sold in various forms, including powder, capsules, or tea. However, it's important to note that while cinchona bark contains quinine, which is used to treat certain conditions, its use should be approached with caution and preferably under the guidance of a healthcare professional.