Kalms Night One-A-Night Tablets
Pack of 28 tablets · Film-coated tablets
A traditional herbal remedy used to relieve sleep disturbances, based on long-standing use as a herbal medicine.
Official medicine information
View the SmPC and Patient Information Leaflet on emc
electronic Medicines Compendium — the authoritative source for UK licensed medicine information.
Active ingredient
Valerian root extract
Strength
385mg dry valerian root extract
Form
Film-coated tablets
Pack size
Pack of 28 tablets
How it works
Valerian root has a long history of use to support natural sleep. The exact mechanism is not fully understood but it is thought to interact with calming pathways in the brain.
How to take
Adults and adolescents over 12: take one tablet 30 minutes to one hour before bedtime. Not recommended for under-12s.
Possible side effects
- Mild stomach upset
- Headache
- Drowsiness on waking is uncommon but possible
Important warnings
- Do not exceed the recommended dose.
- Avoid in pregnancy and breastfeeding unless advised.
- Stop and speak to a pharmacist if symptoms persist beyond 4 weeks.
Storage
Store below 25°C in the original packaging. Keep out of the sight and reach of children.
Important
This information is provided for general guidance only and is not a substitute for professional clinical advice. Treatment is only supplied following a consultation, suitability checks and pharmacist review. If this medicine is not suitable for you, our pharmacist will discuss alternatives.
Always read the patient information leaflet supplied with your medicine. If you have a medical emergency, call 999 immediately.
Suspected side effects can be reported via the MHRA Yellow Card scheme. Reporting helps make medicines safer for everyone.
Last reviewed by our Superintendent Pharmacist: Jane Doe MRPharmS, April 2026.
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