According to some research, certain extracts might reduce symptoms of arthritis including pain and stiffness, but other studies show no benefit.

An extract of the Chinese herbal root kudzu reduces alcohol drinking by heavy drinkers in a naturalistic setting.

Medicinal extracts of the bark reduced the rate of growth of Candida, which has been ascribed to berberine and palmatine content.

Dry hop extract provides immediate character which lasts longer and reduces the possibility of infection being added from whole hops or, more likely, from a dirty hand.

Aqueous extracts reduced mitotic index, but induced chromosomal aberrations and mitotic aberrations in comparison with control, significantly.

Similarly, an extract from the roots of the Brazilian Petiveria alliacea plant reduced inflammation in a rat model of pleurisy.

The extract also reduced pain sensations in the rats.

An extract from a South African geranium might reduce the length of your next cold by two days if you take it within 48 hours of your first symptoms.

Developing research suggests a tribulus extract taken by mouth might reduce symptoms of angina.

The result of another study showed that aqueous extracts reduced mitotic index, but induced chromosome aberrations and mitotic aberrations in comparison with control, significantly.