This popular natural stress reliever and traditional natural herbal remedy helps with everyday stress, worry and irritability. It can promote natural sleep and is a popular drug-free choice. Kalms is a natural herbal remedy and therefore side effects are less likely to occur. PLEASE NOTE: Kalms is unsuitable for hereditary fructose intolerance sufferers, as well as glucose-galactose malabsorbtion syndrome sufferers. As with any medication, if you are pregnant or breastfeeding, please check with a medical professional before taking Kalms.