The Losdown on Glycemic Index & Load

Research on Glycemic Index:

Vega-López et al. (2018) examined evidence from randomized controlled trials (RCT) and human observational studies for associations between different glycemic index (GI) diets and:

The strongest intervention studies typically found little relationship between GI/glycemic response (GR) and physiological measures of disease risk, including:

  • Body weight.
  • Cardiometabolic disease risk, including:
  • Diabetes.
  • Cardiovascular disease risk.

Thus, the authors concluded “it is unlikely that the GI of a food or diet is linked to disease risk or health outcomes. “

Rather, “other measures of dietary quality – such as fiber or whole grains – may be more likely to predict health outcomes.”

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