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Alstonia constricta
This herb is NOT recommended during pregnancy due to potential risks to the developing fetus.
This herb is NOT recommended while breastfeeding as effects on infants are unknown.
Consult your healthcare provider before use.
Australian tree with bitter bark used by Aboriginal Australians and early settlers as quinine substitute for malaria.
Australian tree with bitter bark used by Aboriginal Australians and early settlers as quinine substitute for malaria. Key active compounds include alstonine, porphyrine, alkaloids.
alstonine, along with porphyrine and alkaloids, are the primary bioactive compounds in Alstonia constricta. These compounds acts on pain pathways via anti-inflammatory and neuroactive effects.
Antimalarial activity
Limited clinical evidence; primarily supported by traditional use and preliminary studies
Fever reduction
Limited clinical evidence; primarily supported by traditional use and preliminary studies
Analgesic
Traditional Australian medicine
Traditional Aboriginal Australian medicine for fever and pain
Based on traditional use; clinical evidence limited
Used by European settlers as quinine substitute for malaria
Based on traditional use; clinical evidence limited
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