Glycemic Index vs. Glycemic Load: Which One Matters?
Glycemic index ranks how fast a carb raises blood sugar; glycemic load adjusts for serving size. Here's how to use both, and why net carbs matter most on low carb.
Wiki Topic: Blood Sugar
Sourdough and Blood Sugar: What the Research Says
Some studies suggest sourdough raises blood sugar a bit less than white bread, but others find no difference. Here's what the research shows and why it's still a high-carb bread.