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  • Title: Long term effects of guar gum on metabolic control, serum cholesterol and blood pressure levels in type 2 (non-insulin-dependent) diabetic patients with high blood pressure.
    Author: Uusitupa M, Tuomilehto J, Karttunen P, Wolf E.
    Journal: Ann Clin Res; 1984; 16 Suppl 43():126-31. PubMed ID: 6398982.
    Abstract:
    A double-blind, placebo-controlled trial was carried out in 17 Type 2 (non-insulin-dependent) diabetic patients, treated with diet therapy alone to study the effects of guar gum on metabolic control, serum lipids, and blood pressure levels. Thirteen of the patients had drug treatment for hypertension. Guar gum was taken with meals three times a day, and the dose was gradually increased to 21 g per day. A slight, but not significant improvement was found in the metabolic control of the patients after the guar gum treatment compared to the placebo. Serum total cholesterol was 11% (p greater than 0.01) lower after the guar gum but no significant differences were found in HDL-cholesterol or serum triglycerides during the guar gum treatment compared to the placebo. Diastolic blood pressure level was significantly lower during the guar gum treatment compared to placebo. No difference was observed in systolic blood pressure levels between the guar gum and placebo treatments. The reduction of diastolic blood pressure was independent of changes in fasting blood glucose level or body weight, but could in part be due to simultaneous reduction in serum cholesterol concentration. The changes associated with guar gum supplementation suggest a reduction in the risk for cardiovascular complications in diabetic patients.
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