Only 1 to 3% of biologically active trivalent chromium (Cr) is absorbed. Normal plasma levels are 0.05 to 0.50 mcg/L (1.0 to 9.6 nmol/L). However, it is not clear whether chromium should be considered an essential (required) trace element (1 General reference Only 1 to 3% of biologically active trivalent chromium (Cr) is absorbed. Normal plasma levels are 0.05 to 0.50 mcg/L (1.0 to 9.6 nmol/L). However, it is not clear whether chromium should be... read more ).
Chromium potentiates insulin activity; however, it is not known whether chromium picolinate supplementation is beneficial in diabetes mellitus Diabetes Mellitus (DM) Diabetes mellitus is impaired insulin secretion and variable degrees of peripheral insulin resistance leading to hyperglycemia. Early symptoms are related to hyperglycemia and include polydipsia... read more . Patients with diabetes should not take chromium supplements unless use is supervised by a diabetes specialist. Chromium supplements do not enhance muscle size or strength.
Patients receiving long-term total parenteral nutrition rarely develop chromium deficiency. Symptoms respond to trivalent chromium 150 to 250 mg.
(See also Overview of Mineral Deficiency and Toxicity Overview of Minerals Six macrominerals are required by people in gram amounts. Four cations: Sodium, potassium, calcium, and magnesium Two accompanying anions: Chloride and phosphorus Daily requirements range from... read more .)
1. Vincent JB: New evidence against chromium as an essential trace element. J Nutr 147(12):2212–2219, 2017. doi:10.3945/jn.117.255901
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