Chromium Carbonate
Chromium carbonate is an inorganic chromium salt that lacks established bioavailability for human nutrition. This water-insoluble compound has no documented therapeutic benefits or clinical evidence supporting its use as a dietary supplement.

Origin & History
Chromium carbonate is a synthetic inorganic salt derived from chromium metal (atomic number 24) and carbonic acid, appearing as a water-insoluble green-blue powder. It is produced industrially by reacting chromium salts with carbonates and exists primarily as chromium(III) carbonate (Cr₂(CO₃)₃) with a molecular weight of 284.02 g/mol. This compound is used exclusively in industrial applications with no established role as a biomedical ingredient.
Historical & Cultural Context
No historical or traditional medicinal uses of chromium carbonate are documented in any systems including Ayurveda or TCM. This is a modern synthetic compound without ethnobotanical origins or traditional applications.
Health Benefits
• No documented health benefits - no clinical trials exist for chromium carbonate in biomedical applications • No evidence for glucose metabolism support - unlike other chromium forms, this compound lacks therapeutic research • No established nutritional role - water-insoluble nature prevents bioavailability • No traditional medicinal uses recorded in any historical medical systems • No biochemical mechanisms identified for human health applications
How It Works
Chromium carbonate's water-insoluble nature prevents meaningful absorption in the gastrointestinal tract. Unlike bioavailable chromium forms that may influence glucose tolerance factor (GTF) activity and insulin receptor sensitivity, chromium carbonate does not demonstrate these mechanisms due to its poor solubility and lack of bioactive conversion pathways.
Scientific Research
No human clinical trials, RCTs, or meta-analyses exist for chromium carbonate as a biomedical ingredient. Search results contain no PubMed PMIDs or therapeutic studies for this compound. All biomedical research on chromium focuses on other forms like chromium picolinate or chloride.
Clinical Summary
No clinical trials have been conducted specifically on chromium carbonate for health applications. The compound lacks the bioavailability studies that exist for other chromium forms like chromium picolinate or chromium polynicotinate. Research databases show no evidence of therapeutic efficacy, glucose metabolism benefits, or safety profiles for this specific chromium salt. The absence of clinical data contrasts sharply with other chromium compounds that have documented research.
Nutritional Profile
Chromium Carbonate (Cr2(CO3)3) is an inorganic mineral compound with no meaningful nutritional profile for human consumption. Elemental chromium content is theoretically approximately 44% by molecular weight, but this figure is nutritionally irrelevant due to near-zero bioavailability. The compound is water-insoluble (solubility <0.001 g/100mL at 25°C), which prevents gastric dissolution and subsequent intestinal absorption. No macronutrients (protein, fat, carbohydrates) are present. No vitamins, dietary fiber, or organic bioactive compounds are present. Contains no calories. The carbonate anion (CO3²⁻) would theoretically release CO2 upon contact with stomach acid, but the compound's extreme insolubility limits even this reaction. For contrast, bioavailable chromium forms such as chromium picolinate or chromium polynicotinate provide trivalent Cr³⁺ at typical supplemental doses of 200–1000 mcg/day with measurable absorption rates of 0.4–2.5%. Chromium Carbonate delivers effectively 0% of its elemental chromium content to systemic circulation. No essential micronutrient contribution has been established. Industrial-grade material may contain trace contaminants including hexavalent chromium (Cr⁶⁺), which is a known carcinogen, making any nutritional framing of this compound inappropriate and potentially misleading.
Preparation & Dosage
No clinically studied dosage ranges exist for chromium carbonate in any form (extract, powder, or standardized). This compound lacks biomedical applications and has not been studied for therapeutic use. Consult a healthcare provider before starting any new supplement.
Synergy & Pairings
Not applicable - no synergistic ingredients identified
Safety & Interactions
Safety data for chromium carbonate supplementation is unavailable due to lack of clinical research. Standard chromium toxicity concerns may apply, including potential kidney and liver stress at high doses. Drug interactions are unknown but may theoretically affect diabetes medications if any chromium absorption occurs. Pregnancy and lactation safety has not been established for this specific compound.