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. 2006 Jun;1(2):107–113. doi: 10.2147/ciia.2006.1.2.107

Table 2.

Blood glucose levels indicating excessive circulating insulin1

Blood glucose levels (mg/dL)
Fasting Pre-lunch Pre-dinner Bedtime
78 60 55 89
111 70 65 109
65 55 68 106
1

Patient presenting with such blood glucose readings would be advised to reduce basal insulin by 10% to 20% and to monitor blood glucose levels closely for three to four days afterward to determine whether the change has been effective (Watts and Kern 2004; Watts and Ober 2005).