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Glycemic impact

The effect of sugar and sugar substitutes on blood sugar levels

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Jan 16, 2026
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why does sourdough bread have a low GI?

Sourdough often produces a lower post-meal blood‑glucose response than conventionally yeasted breads because its long, bacterial‑driven fermentation changes starch chemistry and creates organic acids ...

Jan 21, 2026

Which individual ingredients in popular blood‑sugar supplements have the strongest randomized controlled trial evidence?

Randomized controlled trial (RCT) evidence best supports a short list of individual ingredients—, , , , alpha‑lipoic acid and certain vitamins/minerals (, vitamin C, magnesium)—for modest improvements...