Abstract: The use of propolis or an extract of propolis as a food supplement for preventing and/or combating pathological conditions associated with diet-induced obesity, and in particular type II diabetes, and a specific a composition suitable for this use.

Abstract: The invention relates to the use of a composition comprising at least one extract of propolis, having at least one of the following properties: —an antioxidant value (ORAC) greater than or equal to 500 mmol TE/100 g of dry extract, —a flavones and flavonols content greater than or equal to 5.5% by weight with respect to the total weight of dry material of the extract, —a flavanones and dihydroflavanols content greater than or equal to 5% by weight with respect to the total weight of dry material of the product, in order to prevent and/or limit the side effects of chemotherapy.

Abstract: The use of a composition including at least one extract of propolis containing polyphenols, as a human oral nutritional supplement or as a medicament for preventing and/or limiting the side effects of chemotherapy.