Tests: Many supplements have quality problems

PART THREE OF SERIES Lead in ginkgo pills. Arsenic in herbals. Bugs in a baby’s colic and teething syrup. Toxic metals and parasites are part of nature, and all of these have been found in “natural” products and dietary supplements in recent years. | Part One: Alternative meds go mainstream | Part Two: Most cancer patients try them | Popular supplements

Set aside the issue of whether vitamin and herbal supplements do any good.

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