Digestive Aid

Mastic Gum

Also known as: Pistacia lentiscus, Chios mastic, Greek mastic

Evidence

Mediterranean tree resin with antimicrobial properties, traditionally used for stomach ulcers and H. pylori.

Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.

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The highest-scored Mastic Gum product in our catalog (86/100). Track dose and overlaps in the app.

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Every Mastic Gum product we have scored

#	Product	Score	Per serving
1	Jarrow Formulas Mastic Gum	86 A-	$1.17
2	Natural Factors Gastro-Assist	71 B	$2.06

Scored on dose accuracy, form, label transparency and third-party testing. Per-serving cost is list price divided by servings per container. No brand pays to be listed or ranked.

Common questions

How much Mastic Gum should I take?

The typical range is 500-1000mg 2-3x daily. Several weeks to months for H. pylori/ulcer

When should I take Mastic Gum?

Before meals. Before meals typically.

Which form of Mastic Gum is best?

Capsules — Common. Other forms in the catalog: Gum/resin, Powder.

Is Mastic Gum safe?

Commonly reported: Rare: GI upset. Serious warnings: None significant. Safe

Which Mastic Gum supplement scores highest?

Jarrow Formulas Mastic Gum, at 86/100. Scored on dose accuracy, form, label transparency and third-party testing — no brand pays to be listed or ranked.

Primary uses

H. pylori
Ulcer support
Digestive health
Antimicrobial

How it works

Antimicrobial activity against H. pylori
Protects stomach lining
Traditional digestive remedy
Anti-inflammatory in GI tract

Dosage

Typical range: 500-1000mg 2-3x daily
Timing: Before meals
With food: Before meals typically
Duration: Several weeks to months for H. pylori/ulcer
Special populations: H. pylori, ulcers, dyspepsia

Forms

Capsules
Gum/resin
Powder

Safety

Common side effects

Rare: GI upset

Contraindications

Tree nut/Pistacia allergy

Products containing Mastic Gum

Top-scoring supplements in our catalog that list Mastic Gum on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.

Jarrow Formulas

Natural Factors

Evidence notes

Traditional use with some research support

Grade B: Some human trials support key claims; further confirmation needed.

Related in Digestive Aid

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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.