Cinchona officinalis
Source of quinine — the original antimalarial drug. Discovery changed world history. Tonic water contains trace quinine. Historical use for fever, malaria, and leg cramps. Largely replaced by synthetic drugs.
Sign in and complete your health profile to see safety warnings personalized to your age, sex, medications, conditions, and allergies for this herb.
If you take any medications, review these interactions carefully.
Heart medications (QT prolongation), blood thinners, diabetes meds, digoxin.
Pregnancy. Cardiac arrhythmias. G6PD deficiency. Thrombocytopenia.
Cardiac risk.
Cinchonism: tinnitus, headache, nausea, visual disturbances. Allergic thrombocytopenia.
Glass mason jar with lid, High-proof alcohol (80-100 proof vodka), Measuring cup, Cheesecloth or fine strainer, Dark glass dropper bottles, Labels
Personalized Guidance
Our Herbal Support Finder matches you with herbs based on your wellness goals, health profile, and medications.
Tinctures are concentrated — follow dosing guidelines carefully. Not suitable for those avoiding alcohol (use glycerites instead). Some herbs are only safe as tinctures in very small doses.
Alcohol tinctures last 3-5 years or more when stored properly in dark glass away from heat and light.
Pot with lid (non-aluminum), Strainer, Measuring spoon, Stove
Some roots are very potent — follow specific dosing guidelines for individual herbs. Avoid decocting herbs with volatile oils (peppermint, chamomile) as you will lose the beneficial compounds.
Refrigerate and use within 48-72 hours. Can be gently reheated.
