Glycemic and Appetite Effects of a Pre-meal Whey-Protein Microgel

In this study, the investigators want to assess the effects of a short-term twice daily pre-meal consumption of a liquid whey-protein microgel formulation, when compared to placebo (i.e., water), on: * post-prandial glucose * appetite This is an open-label study in 18 overweight or obese participants. This study will be performed in one center, the Clinical Innovation Laboratory (CIL), Nestlé Research, Lausanne. Participants will be screened and randomly assigned to 1 of 2 sequences of consumption. Enrolled participants will then consume the test product, or placebo, pre-breakfast and pre-lunch for four days and then crossover to the other product, over a period of 12 days.