"Most Psyllium Supplements Failed Our Tests Due to Lead Contamination."
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Psyllium Fiber Supplements Review | ConsumerLab
"ConsumerLab.com's tests of the quality of psyllium products revealed that 5 out of 8 were contaminated with excessive amounts of lead — as much as 11 micrograms per 5 grams of psyllium husk (22 times the daily amount permitted in California without a warning label). Lead was found in all products, but those with the least contained only 0.4 to 0.6 mcg per 5 gram serving. One product had an unusually high amount of filth in the form of insect parts."
