Is Chitosan Shellfish Free?
AvoidNo. Chitosan is a fiber found in crustacean shells. It is often used as a lipid binder in diet products.
Chitosan and the Shellfish Free Diet
Chitosan is a biopolymer derived from chitin, which is found in the shells of crustaceans such as shrimp, crabs, and lobsters. It is commonly used in dietary supplements and weight loss products due to its ability to bind to lipids and fats, potentially reducing their absorption in the body. Beyond its use in supplements, chitosan is also utilized in agriculture, medicine, and water purification for its biodegradable and non-toxic properties.
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How Spoonful reviews ingredients
- Evidence-based. Diet compatibility ratings are compiled from peer-reviewed nutrition guidance, dietary association recommendations, and ingredient composition data.
- Continuously updated. Our ingredient database is refreshed as new sources and product data become available.
- Transparent uncertainty. When an ingredient's safety depends on serving size, preparation, or sub-ingredients, we mark it “caution” rather than forcing a binary answer.
- Not medical advice. Ratings are general guidance. Always consult a registered dietitian for personalized recommendations.
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