Is ashwaganda safe in kids 5 to 12 years?
There isn't enough solid evidence to call ashwagandha clearly safe for kids 5-12. A couple of small, short trials in 6-12 year olds found no serious problems over 8 weeks, but rare, sometimes serious liver injury has been reported in adults, and long-term child safety hasn't been studied.
Health Canada itself has asked for more safety testing before allowing ashwagandha as an ingredient in foods eaten by children, which tells you the data gap is real.
Limited
Only two small randomized trials (under 90 children each, 8 weeks long) have tested ashwagandha in kids 6-12; liver injury data comes from adult case reports, not pediatric studies, so nothing tells us about longer-term child safety or risk in children under 6.
What the evidence says
Ashwagandha is a herb used in traditional Indian medicine, and it has become popular as a supplement for stress, sleep, and focus. Most of the research on it has been done in adults, not children.
Recently, a couple of small studies gave standardized ashwagandha root extract to children aged 6 to 12, looking at attention, sleep, and ADHD symptoms. These trials lasted only 8 weeks, included fewer than 90 children each, and reported no serious side effects during that short time, with routine blood tests staying normal. But the researchers themselves said results shouldn't be assumed to apply broadly, since this is still very new territory for children.
There is a real safety concern to know about. In adults, there have been multiple documented cases of ashwagandha causing liver injury, including jaundice, itching, and in rare cases serious liver damage. This appears to be uncommon but real, and it isn't yet known whether children's livers respond the same way, since no child has been part of these liver injury reports so far.
In Canada, ashwagandha is sold as a licensed natural health product, but Health Canada has specifically said it needs more testing on reproductive and developmental effects before it can be added to foods that children might eat regularly. That's a signal that regulators see the child safety data as incomplete, not settled.
Because of the mix of promising-but-tiny trials in older children and a known liver risk seen in adults, this isn't something to give a child without talking to their doctor first, especially for children under 6, who haven't been studied at all.
Sources
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Guideline
Decision on ashwagandha root extract as a supplemental ingredient in foods
Health Canada / Canada.ca
Health Canada wants more toxicity data before allowing it in foods children eat
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Randomised trial
Efficacy and safety of ashwagandha root extract in children and adolescents with mild ADHD
PMC (randomized controlled trial)
Small 8-week RCT, ages 6-12, no serious adverse events reported
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Randomised trial
Clinical assessment of ashwagandha on cognitive performance, sleep, and fatigue in children 6-12
PubMed (randomized controlled trial)
85 children, 8-week trial; safety analysis included all participants
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Systematic review
Ashwagandha - LiverTox
NIH/NCBI Bookshelf
Evidence review rating ashwagandha a likely cause of liver injury in adults
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Randomised trial
Liver Injury due to Ashwagandha: Case Series from Iceland and US DILIN
PMC
Five adult cases of liver injury linked to ashwagandha supplements
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Guideline
Ashwagandha - Licensed Natural Health Product listing
Health Canada
Shows traditional-use licensing; advises caution with other medications
✓Reviewed by CH, MD, FRCPC
Reviewed by a specialist physician certified by the Royal College of Physicians and Surgeons of Canada, who has read this answer against the sources listed above and confirmed it reflects them. That is not medical advice about your child. How we review
Answer checked September 25, 2026