Gastro-Assist
Scored by the Formulate Research Team · Last reviewed July 2026
Score Breakdown
Three factors carry this score; three more are checked separately and can only take points away. Hover or tap to see what drove each one.
Ingredients per Serving
| Ingredient | Amount |
|---|---|
| Zinc469 systematic reviews · 1315 randomised trials | 8 mg |
| Mastic Gum | 260 mg |
| Chamomile extract | 200 mg |
| Zinc L-Carnosine | 37.5 mg |
Certifications & Testing
Other Ingredients
Vegetarian Capsule, Magnesium Stearate, Silica
Recommended Use
Suggested Usage: 2 capsules 2 times per day or as directed by a health professional.
Warnings
Cautions: As with any supplement, consult your health professional before use if you are pregnant, breastfeeding, or trying to conceive, or if you are taking medication, have a medical condition, or anticipate a surgery. Keep out of the reach of children. Sealed for your protection. Do not use if seal is broken.
Frequently Asked Questions
What is Natural Factors Gastro-Assist's Formulate score?
Natural Factors Gastro-Assist scores 71 out of 100 (grade B) on Formulate's ingredient-level rubric: clinical evidence, dose accuracy and bioavailability carry the score, while manufacturing, transparency and safety are checked separately and can only deduct.
Is Natural Factors Gastro-Assist worth it?
Natural Factors Gastro-Assist scores 71/100 (grade B). That's an above-average result — most of its doses and ingredient forms are well-chosen, with only minor gaps in dosing, transparency, or testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.
What's in Natural Factors Gastro-Assist?
Each serving contains Zinc (8 mg), Mastic Gum (260 mg), Chamomile extract (200 mg), Zinc L-Carnosine (37.5 mg). Serving size: 2 Vegetarian Capsule(s). 30 servings per container.
How do I take gastro-assist?
Suggested Usage: 2 capsules 2 times per day or as directed by a health professional.
Who makes Gastro-Assist?
Gastro-Assist is made by Natural Factors. See Formulate's full grade and product lineup for Natural Factors on its brand page.
Is Natural Factors Gastro-Assist third-party tested?
Natural Factors lists the following certifications and testing for this product: Vegan, Vegetarian, Gluten-Free, Dairy-Free, Sugar-Free.
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Disclosure. Formulate may earn a commission from purchases made through links on this page. Commissions never influence scores — every product is graded by the same automated rubric. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.