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8 ingredients
Herbs & spices — See the category page
Herbs & spices
Moderate evidenceAshwagandha
A 2021 meta-analysis of 400 people found improved sleep, a small but significant effect at a standardised mean difference of −0.59. The same paper's conclusion adds: data on serious adverse effects are limited.
Herbs & spices
Moderate evidenceHoney
A Cochrane review (6 randomised trials, 899 children) found honey reduced cough frequency versus no treatment and placebo, at moderate certainty. But the advantage disappeared beyond three days, and the review covers children aged 12 months and over. Below that age, honey risks infant botulism.
