Table 1: Prevalence of micronutrient deficiencies in obesity and diabetes [5, 6, 46, 5861].

MicronutrientPrevalence of deficiency
ObesityType 2 diabetes

Thiamine B115–29%17–79%a
Pyridoxine B60–11%
Cobalamin B123–8%22%
Folic Acid3-4%
Ascorbic acid C35–45%b
Vitamin A17%
Vitamin D80–90%c85–90%c
Vitamin E0%0%

—Prevalence data not available
aData includes type 1 diabetic patients
bDecreased levels of ascorbic acid have been reported in diabetes
cPrevalence reflects rates vitamin D insufficiency.