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Gentian Root

herbal

Intensely bitter herb that stimulates digestive secretions and appetite.

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Benefits

Stimulates stomach acid and bile production
Supports appetite and digestion
Traditional liver tonic
May reduce bloating

Dosage

Typical Dose

300-600mg before meals

Upper Limit

200-900mg

Timing

15-30 minutes before meals

Forms & Bioavailability

Tincture

Standard absorption

Capsule

Standard absorption

Tea

Standard absorption

Side Effects

Heartburn in those with excess acid
Headache
Nausea

Interactions

Antacids and PPIs (opposing effects)
Blood pressure medications

Research Summary

One of the most established bitter tonics in European herbal medicine. Bitter compounds stimulate gastric secretion via taste receptors. EMA-approved traditional use.

The Bottom Line on Gentian Root

Gentian Root is moderately researched with promising but sometimes mixed evidence.It is most commonly used for stimulates stomach acid and bile production and supports appetite and digestion. As with any supplement, individual results vary. Start with the lower end of the dosage range and assess for 4-8 weeks before adjusting.

About Our Research

This profile is compiled from peer-reviewed research published on PubMed, the NIH Office of Dietary Supplements, and established nutritional science databases. Dosages reflect clinically-studied amounts from human trials where available. We update profiles as new research emerges. This is not medical advice — consult a healthcare professional before supplementing.

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Disclaimer: This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement, especially if you have existing health conditions or take medication.

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