Quassia amara
One of the most bitter substances in nature — used as digestive bitter, antimalarial, and insecticide. For loss of appetite, dyspepsia, and intestinal parasites. Contains quassin (appetite stimulant). Used in brewing as hops substitute.
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Antacids (opposite action), blood thinners, heart medications.
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GI irritation, nausea (very bitter). Cardiac effects at high doses.
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