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Stevia Clinical Studies
"Consumption of stevia in preloads significantly lowered postprandial insulin levels compared to both aspartame and sucrose... If future studies confirm these findings, then stevia may be helpful in managing postprandial hyperglycemia, which recent studies indicate is an important contributor to the development of insulin resistance and Type 2 diabetes..."
[Stephen D Anton et al., Effects of stevia, aspartame, and sucrose on food intak, satiety, and postprandial glucose and insulin levels, Appetite, March 2010, 55: pp. 37-43]
"Evaluation of two long-term studies (1 and 2 years in length, respectively) indicates that stevia may be effective in lowering blood pressure in hypertensive patients, although data from shorter studies (1-3 months) did not support these findings..."
[Ulbricht C et al., An evidence-based systematic review of stevia by the Natural Standard Research Collaboration, Cardiovas Hematol Agents Med Chem, April 2010, 8(2): 113-27]