HerbMate Library

Quassia Bark

Quassia amara / Picrasma excelsa
barkbitterdigestionappetitetraditionalshort-termhigh-caution

Quassia bark is an intensely bitter bark used traditionally as a digestive bitter to support appetite and stomach comfort. In small amounts it can help “wake up” digestion, but it’s not a daily long-term tonic. Because it’s very potent and often used in concentrated preparations, it deserves conservative dosing and strong cautions—especially for pregnancy and GI sensitivity.

Key Benefits

Common Issues It May Help With

How To Use (Simple)

Taste / Notes

Extremely bitter, drying, barky.

Evidence Level

Bitter herbs have traditional and some physiological support for stimulating digestive secretions and appetite, but clinical evidence for specific outcomes varies by product and dose.

Cautions

Avoid during pregnancy/breastfeeding. Use caution with ulcers, gastritis, or severe reflux—bitters can aggravate irritation. Avoid high doses and long-term daily use. If symptoms persist or include severe pain, vomiting, or blood in stool, seek medical care.

Interactions

May increase stomach acid/secretions—use caution with reflux/ulcer medications If taking multiple prescriptions and using concentrated extracts, consult clinician Separate from medications by 1 hour if using strong bitters that upset the stomach

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