Protein & Nutrition Blog – Marmels

Glycemic Load vs Glycemic Index: What Actually Matters

Protein & Nutrition Blog – Marmels

Glycemic Load vs Glycemic Index: What Actually Matters

by Mo Mandegar, PhD on May 19 2026
Glycemic index measures speed. Glycemic load measures speed plusserving size — and that one addition flips watermelon fromhigh-impact to mild and white rice from quick to genuinely heavy.Here is how to read both numbers, why the gap matters, and wherecommon foods actually land on each scale.