Ingredients Exposed Series: Calcium Sulfate
The โplaster additiveโ in your food and supplements What sounds like an innocent mineral supplement or baking aid is actually a refined industrial compound often used as a firming agent, flour treatment, or calcium source. โCalcium sulfateโ (also known as gypsum) is added to foods and supplements, but depending on source and processing, it can carry contaminants and cause digestive, metabolic, or mineral imbalance concerns. ๐ช๐ต๐ฒ๐ฟ๐ฒ ๐ฌ๐ผ๐โ๐น๐น ๐๐ถ๐ป๐ฑ ๐ง๐ต๐ถ๐ ๐ฃ๐น๐ฎ๐๐๐ฒ๐ฟ ๐๐ฑ๐ฑ๐ถ๐๐ถ๐๐ฒ Calcium sulfate (listed as โcalcium sulfate,โ โgypsum,โ E516, or โfood-grade calciumโ) shows up in: โข Packaged tofu (as a coagulant) โข Baking powders and self-rising flours โข Pickles and canned vegetables (as a firming agent) โข Fortified nutritional supplements, protein powders, and meal replacements โข Certain processed cheeses and breads ๐ช๐ต๐ฎ๐ โ๐๐ฎ๐น๐ฐ๐ถ๐๐บ ๐ฆ๐๐น๐ณ๐ฎ๐๐ฒโ ๐๐ฐ๐๐๐ฎ๐น๐น๐ ๐๐ A mineral compound (CaSOโ) used for: โข Firming, stabilizing, or coagulating foods โข Adding calcium in fortified foods or supplements Industrial roles: โข Plaster, wallboard, cement, and desiccant in non-food industries โข Food-grade sources are purified but can still carry impurities if manufacturing standards vary In the body: โข Overconsumption may contribute to digestive upset, constipation, or altered mineral balance โข Chronic high intake may affect kidney or cardiovascular health in sensitive populations ๐๐ผ๐ ๐๐ ๐๐ฎ๐ป ๐๐ฎ๐ฟ๐บ ๐ฌ๐ผ๐๐ฟ ๐๐ผ๐ฑ๐ ๐๐ถ๐๐ฎ๐น ๐๐ถ๐๐ฟ๐๐ฝ๐๐ถ๐ผ๐ป: Excess intake can cause bloating, constipation, or interfere with absorption of other minerals. ๐ฅ๐ฒ๐ป๐ฎ๐น ๐ฆ๐๐ฟ๐ฒ๐๐: High-dose supplemental calcium sulfate may burden kidneys, especially with preexisting kidney issues. ๐๐ต๐ฒ๐บ๐ถ๐ฐ๐ฎ๐น ๐๐ผ๐ป๐๐ฎ๐บ๐ถ๐ป๐ฎ๐ป๐ ๐ฅ๐ถ๐๐ธ: Depending on the source, traces of heavy metals (lead, arsenic) or industrial residues may persist. ๐๐ฐ๐ฐ๐๐บ๐๐น๐ฎ๐๐ฒ๐ฑ ๐ฆ๐ผ๐๐ฟ๐ฐ๐ฒ ๐๐๐ฟ๐ฑ๐ฒ๐ป: Common in multiple processed foods and fortified supplements across a diet. ๐ง๐ต๐ฒ ๐ฅ๐ฒ๐ด๐๐น๐ฎ๐๐ผ๐ฟ๐ ๐๐ฒ๐๐ฟ๐ฎ๐๐ฎ๐น โข EU/UK/Australia: Permitted as a food additive (E516) with purity standards; toxicity concerns generally tied to overuse or contaminated sources.