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Picolinato de cromo

Chromium (III) picolinate (CrPic3) is a chemical compound sold as a nutritional supplement to treat type 2 diabetes and promote weight loss.[1] This bright-red coordination compound is derived from chromium (III) and picolinic acid. Small quantities of chromium are needed for glucose utilization by insulin in normal health, but deficiency is extremely rare and has only been observed in hospital patients on long-term defined diets.[2] Chromium has been identified to regulate insulin by increasing the sensitivity of the insulin receptor.[3] As such, chromium (III) picolinate has been used as a treatment for type 2 diabetes, although its effectiveness remains controversial due to conflicting and/or poorly carried out clinical studies. Chromium (III) picolinate has been described as a “poor […] nutritional supplement”.[4]

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Product Description


IUPAC name

Tris(picolinate)chromium(III)

CAS Number
14639-25-9
ChEBI CHEBI:50369
ChemSpider 133913
Jmol interactive 3D Image
PubChem 151932
InChI[show]
SMILES[show]

Cr(C6H4NO2)3
Molar mass 418.33 g/mol

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