Is Calcium Carbonate Alpha-Gal Friendly?
CautionSometimes. Calcium carbonate (also called e170 or chalk) usually comes from chalk, limestone, or marble, though it can come from egg shells or animal bone. If the label does not provide a source, we recommend calling the manufacturer.
Calcium Carbonate and the Alpha-Gal Friendly Diet
Calcium carbonate is a naturally occurring mineral composed primarily of calcium, carbon, and oxygen. It is widely used in the food industry as a calcium supplement, a pH stabilizer, and an anti-caking agent. It is found in natural sources such as chalk, limestone, and marble, but can also be derived from egg shells or animal bones. This variability in sourcing means that individuals with dietary restrictions, such as those following an Alpha-gal diet, may need to verify the source of calcium carbonate with manufacturers if it is not explicitly stated on the label.
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Foods That Commonly Contain Calcium Carbonate
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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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