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If you’re unsure how to use valerian root, seek advice from a medical professional. Thus, it’s best to look for products that have been independently tested for purity by organizations like NSF International or ConsumerLab.Īlways remember that valerian should not replace prescription medications. Keep in mind that this herb is considered a dietary supplement and not regulated by the Food and Drug Administration (FDA). What’s more, young children and pregnant or breastfeeding women should avoid valerian root due to a lack of safety information ( 14, 15). Valerian root may also slow the breakdown of drugs by your liver, causing them to accumulate in your body or be less effective ( 10, 12, 13). Using this herb with some of these substances may cause excessive sleepiness or worsen depression. Valerian root should not be taken in high doses or in tandem with substances used for similar reasons, such as sedatives or sleep aids.
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Valerian root is known to have sedative effects, which is one reason it’s used for insomnia.
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Overall, these sedative properties may promote deeper sleep patterns that could lead to vivid dreams.įor this reason, valerian root is not typically recommended for people who are prone to unpleasant dreams, as it could cause nightmares. Some researchers also believe that valerian boosts the brain chemical gamma aminobutyric acid (GABA), which has a calming effect on your body ( 7). These compounds stimulate opioid receptors and serotonin production in your brain, producing relaxing and anti-depressive effects ( 6). Valerian may cause vivid dreams because it contains essential oil and compounds called iridoid glycosides. While the majority of participants did not experience side effects, 16% experienced vivid dreams during the valerian treatment. Researchers gave 24 people 4 ounces (120 mg) of kava daily for 6 weeks, followed by a 2-week break, then 20 ounces (600 mg) of valerian daily for 6 weeks ( 6). One study examined the side effects of valerian and kava, another herb, taken for insomnia. One of the most frequently reported side effects of valerian root is vivid dreams.
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