Problems Persist With Ginseng Supplements

Alternative Medicine, Men's Health, Woman's Health
Long-time readers know of my fondness for Their independent testing of natural medications (herbs, vitamins, and supplements) guides my teaching and my prescribing. Now, a review by finds 45% of ginseng products don’t provide the full amount of the ingredient indicated on the label, or worse, are contaminated. is now reporting that five out of eleven of the most popular ginseng supplements in the U.S. were selected for testing and contained less ginseng than expected from their labels or were contaminated with lead and/or pesticides. Problems with the quality of ginseng supplements have been reported by since 2000. Ginseng is a popular herb with U.S. sales last year of $83 million according to Nutrition Business Journal. "Consumers need to be wary of the quality of ginseng…
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Herbals and Heart Health

Alternative Medicine, Heart Health
The folks at Natural Standard recently sent out a notice of a significant review in the cardiology literature on the potential interactions between herbs and heart medications. A news release on the study can be found here. This new analysis suggests that herbal supplements, such as Ginkgo biloba and garlic, may cause dangerous interactions when combined with heart medications. Some examples of herbs and their adverse effect on heart disease management include: St. John’s wort, which is typically used to treat depression, anxiety and sleep disorders among other problems, reduces the effectiveness of medications contributing to recurrences of arrhythmia, high blood pressure or increase in blood cholesterol levels and risk for future heart problems. Ginkgo biloba, which is supposedly used to improve circulation or sharpen the mind, increases bleeding risk in…
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Newly released test show most Milk Thistle supplements are substandard

Alternative Medicine, Nutritional Health
White Plains, New York — December 2, 2009 — A recent review by of ten milk thistle supplements showed that only one met’s quality standards.  Two products failed to properly list the part of the milk thistle plant used -- a FDA requirement.  Among the remaining supplements, only one contained the expected amount of silymarin compounds, which are believed to be the active constituents of milk thistle. Studies suggest silymarin may be helpful in type 2 diabetes and, possibly, certain liver conditions.  While most products claimed that their milk thistle extracts were standardized to 80% silymarin, found actual amounts to range from 47% to 67%.  Sales of milk thistle in the U.S. have climbed for several years, reaching $95 million in 2008 according to the latest figures…
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