Does St. John’s wort work? Yes, extracts of St. John's wort have been shown to be effective in treating mild to moderate forms of major depression. However, ConsumerLab.com has found that some herbal supplements do not meet quality standards for St. John's wort and have failed to be approved in ConsumerLab.com’s quality ratings.
St. John's wort is known to accumulate heavy metals from the soil. In recent years, several St. John's wort supplements have failed ConsumerLab.com testing due to contamination with cadmium and/or lead. In addition, not all products have been found to contain the St. John's wort plant chemicals (hypericin or hyperforin) expected from their labels. Another concern with these and all supplements is whether pills break apart properly to release their ingredients.
You must join to get the full test results and ratings for St. John's wort supplements along with ConsumerLab.com's recommendations. You will get results for ten St. John's wort supplements selected by ConsumerLab.com and for nine others that passed CL's quality certification testing, as well as information about two supplements similar to ones that passed testing.
In this comprehensive report, you'll discover:
- Which St. John's wort supplements failed testing and which passed and are among the best St. John's wort supplements on the market
- Direct comparisons and quality ratings of St. John's wort supplements
- Which supplements contain the clinically-tested St. John's wort extracts LI160 or WS 5572
- Price comparisons of St. John's wort supplements to help you find the best quality St. John's wort at lowest cost
- Dosage recommendations for antidepressant use of St. John's wort extracts and other herbal preparations
- Concerns, cautions, side-effects and many drug interactions to avoid with St. John's wort
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