Among ten valerian root supplements which ConsumerLab.com recently selected for review, two were contaminated with small amounts of lead -- a heavy metal that can impair mental functioning and may affect blood pressure. The amounts of lead found in the valerian root supplements are not likely to cause toxicity alone, but it is best to avoid unnecessary lead exposure.
ConsumerLab.com also measured the amounts of valerenic acids in each product. These compounds appear to be important in determining valerian's activity on the nervous system and are markers of valerian quality. While all but one product contained the levels expected by ConsumerLab.com from labels, the amounts of total valerenic acids in a suggested daily serving ranged from just 1 mg to as much as 7.2 mg. The amounts of specific valerenic acids, which may have different functions, also varied.
"Valerian may help some people with sleep problems, although the evidence is mixed," said Tod Cooperman, M.D., President of ConsumerLab.com. "Unfortunately, many people may not be giving valerian a fair try because the brand they buy lacks an effective amount or ratio of key compounds."
The complete Valerian Supplements Review is available at https://www.consumerlab.com/
ConsumerLab.com is a leading provider of consumer information and independent evaluations of products that affect health and nutrition. Membership to ConsumerLab.com is available online , providing immediate access to reviews of more than 1,000 products from over 400 brands. The company is privately held and based in Westchester, New York. It has no ownership from, or interest in, companies that manufacture, distribute, or sell consumer products. ConsumerLab.com is affiliated withPharmacyChecker.com, which helps consumers evaluate online pharmacies and compare drug prices, and MedicareDrugPlans.com, which reviews and rates Medicare Part D plans.
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