“I do not recommend kava for people at risk for or who have liver disease, regularly drink alcohol, or take drugs with known adverse effects on the liver, including statins and acetaminophen,” said Weil. The herbal supplement has effects similar to alcohol and should not be mixed with booze. This botanical may worsen depression and is not safe for pregnant or breastfeeding women.
Comfrey – Reputedly heals injured tissues such as wounds, bone fractures and inflammation that accompanies such injuries. This herb should never be taken orally because of the risk of liver and possibly lung damage. Dr. Weil recommends applying a salve of comfrey to stubborn wounds, such as diabetic ulcers or open bed sores. However, the U.S. Pharmacopeia (USP), an organization that sets standards for supplements, recommends against placing comfrey on open wounds because of the risk of absorption of liver toxins.
How to Choose Safe, Effective Herbal Supplements
First and foremost, do your homework. Research herbal supplements for side effects and drug interactions. Ask yourself the following questions: is it safe; is it effective; are dosing instructions clear and understandable?
Talk to all your doctors, if you have more than one. Discuss your interest in natural supplements with both your physical- and mental-health practitioners. This is especially important if you already take medications. Some phytomedicines may inhibit or lessen the effectiveness of prescription meds and should not be taken.
Get quality products. Check labels for quality seals given out by three companies: USP, National Sanitation Foundation (NSF) and Cooperman’s Consumer Lab (CL). These seals guarantee that the product ingredients are correctly listed on the label.
Remember, BEFORE you take any supplements, the most important conversation you can have is with your physician(s). Finally, listen to your body. If it doesn’t feel right, something is wrong. Call or visit your doctor right away for advice.