Chitosan
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
Certifications & Testing
Other Ingredients
Hypromellose, Stearic Acid, Silicon Dioxide
Recommended Use
Suggested Usage:Take 3 capsules immediately before the 2 main meals of the day. Do not exceed 6 capsules per day. Take in conjunction with a sensible diet and exercise program. Take at least 4 hours before or after fat-soluble vitamins (A, D, E, K) or medications.
Warnings
Take at least 4 hours before or after fat-soluble vitamins (A, D, E, K) or medications. Caution: For adults only. Avoid using if allergic to shellfish. Not to be used by pregnant or nursing women. Consult physician if taking medication or have a medical condition. Keep out of reach of children. Contains shellfish (shrimp). Not manufactured with wheat, gluten, soy, milk, egg, fish or tree nut ingre
Frequently Asked Questions
What is NOW Foods Chitosan's Formulate score?
NOW Foods Chitosan scores 85 out of 100 (grade A-) 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 NOW Foods Chitosan worth it?
NOW Foods Chitosan scores 85/100 (grade A-). That puts it in Formulate's top tier: its ingredient doses, forms, and label transparency hold up against the clinical evidence, and it carries credible third-party testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.
What's in NOW Foods Chitosan?
Each serving contains Chromium (300 mcg), Liposan Ultra (1.5 g). Serving size: 3 Capsule(s). 40 servings per container.
How do I take chitosan?
Suggested Usage:Take 3 capsules immediately before the 2 main meals of the day. Do not exceed 6 capsules per day. Take in conjunction with a sensible diet and exercise program. Take at least 4 hours before or after fat-soluble vitamins (A, D, E, K) or medications.
Who makes Chitosan?
Chitosan is made by NOW Foods. See Formulate's full grade and product lineup for NOW Foods on its brand page.
Is NOW Foods Chitosan third-party tested?
NOW Foods lists the following certifications and testing for this product: Gluten-Free, Dairy-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.