Lactones are a group of naturally occurring compounds found in many plants. A well-known subgroup, sesquiterpene lactones, often contributes a bitter taste and may have biological activity.

Which foods or herbs contain lactones?

Lactones are present in various medicinal and culinary plants, including artichoke, dandelion, and chicory. They can also occur in other bitter herbs and plant extracts.

What are the potential benefits of lactones?

Bitter lactones may support digestion by stimulating digestive secretions and bile flow. Some lactones also show antioxidant and anti-inflammatory activity in laboratory research, with potential liver-support roles in certain botanicals.

Are lactones safe for everyone?

Safety depends on the specific plant source and dose. People who are pregnant or breastfeeding, have allergies to certain plant families, or have gallbladder or bile-duct conditions should consult a clinician before using concentrated bitter herb products.

Do lactones have a recommended dosage?

There is no single standard dosage for “lactones” because amounts vary widely by plant, extract, and preparation. Follow product labeling for the specific botanical and consider professional guidance for therapeutic use.

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Lactones

Limited research available·3/10

A higher score indicates better study conditions, but not necessarily effectiveness.

Lactones are bitter plant compounds with antioxidant, anti-inflammatory, digestive, and potential liver-protective properties.

Digestion & Gut Health Anti-inflammatory Antioxidant Immune Booster Liver Health Bitter Compound

dose range

0–0 µg

Consumption

—

Not fat-soluble.

Best time

Description

Lactones, particularly sesquiterpene lactones, are a class of bitter compounds found in many medicinal plants (e.g., artichoke, dandelion, chicory) and are noted for diverse biological activities.

benefits

Main effects with level of evidence

Limited

Note on evidence

Much of the data on lactones comes from cell, animal, and traditional use studies, with limited clinical trials in humans.

Digestive Support

Limited

Bitter lactones may stimulate digestion and bile flow, aiding appetite and supporting digestive health.

Particularly relevant for: people with mild digestive discomfort

nih_ods_bitter · NIH: Bitter Principles and Bitter Herbs crc_bitters · CRC Handbook of Medicinal Herbs: Bitter Principles

Liver Health

Limited

Some plant lactones (e.g., from artichoke, dandelion) may have hepatoprotective effects and help stimulate bile production.

Particularly relevant for: individuals seeking liver support

livertox_artichoke · NIH LiverTox: Artichoke (contains bitter lactones)crc_bitters · CRC Handbook of Medicinal Herbs: Bitter Principles

Anti-inflammatory Effects

Limited

Lactones have shown anti-inflammatory properties in laboratory and animal studies, potentially supporting immune balance.

Particularly relevant for: general population

ncbi_lactone_immune · NCBI: Anti-inflammatory and immunomodulatory activities of sesquiterpene lactones pubmed_sesq_review · Sesquiterpene lactones: Benefits and risks of bitter substances in food and medicine

Antioxidant Activity

Limited

Certain lactones possess antioxidant capabilities, protecting cells from oxidative stress in laboratory settings.

Particularly relevant for: general population

pubmed_sesq_review · Sesquiterpene lactones: Benefits and risks of bitter substances in food and medicine

Safety & Information

Important safety information & known risks

For educational purposes only • not medical advice

Generally safe from dietary sources but can cause allergic reactions and interact with medications in sensitive populations.

warning notices

Can cause allergic reactions in people sensitive to Asteraceae family plants.
Rare cases of contact dermatitis and gastrointestinal upset reported.
May increase bleeding risk if combined with anticoagulant or antiplatelet drugs.
Avoid use if allergic to members of the Asteraceae (daisy) family due to possible allergic reactions.
Do not use during pregnancy or breastfeeding without medical supervision.
Use with caution if taking anticoagulant or antiplatelet drugs as some lactones may increase bleeding risk.

Known interactions with medications