ARTIFICIAL SWEETNERS AND PERFORMANCE

1 . Nutritional composition comprising a carbohydrate fraction containing glucose and fructose in a ratio in the range of 3:1 to 1:1, and at least one sugar substitute.

2 . Nutritional composition in accordance with claim 1 , characterized in that the carbohydrate fraction comprises at least 30% glucose and fructose, preferably 50% glucose and fructose more preferably at least 85° A) glucose and fructose.

3 . Nutritional composition in accordance with one of the preceding claims, wherein the sugar substitute is selected from the group consisting of natural sugar substitutes, for example Brazzein, Curculin, Erythritol, Fructose, Glycyrrhizin, Glycerol, Hydrogenated starch hydrolysates, Lactitol, Lo Han Guo, Mabinlin, Maltitol, Maltooligosaccharide Mannitol, Miraculin, Monellin, Neoculin, Pentadin, Sorbitol, Stevia, Tagatose, Thaumatin, and/or Xylitol, and artificial sugar substitutes, for example Acesulfame potassium, Alitame, Aspartame, salts of aspartame-acesulfame, Cyclamate, Dulcin, Glucin, Isomalt, Neohesperidin dihydrochalcone, Neotame, P-4000, Saccharin, SC45647 and/or Sucralose.

4 . Nutritional composition in accordance with one of the preceding claims, wherein the sugar substitute is used in a weight ratio of 1:1 to 1:1000000, preferably 1:1 to 1:100000, even more preferred 1:1 to 1:10000, most preferred 1:1 to 1:1000, compared to the total carbohydrate fraction present in the composition

5 . Nutritional composition in accordance with one of the preceding claims, characterized in that it further contains vitamins, such as Vitamin C, Vitamin E, Vitamin B12, Niacin, Vitamin B6, folic acid, biotin, panthotenic acid, Vitamin B 2 and/or Vitamin B6, preferably in amounts that correspond to at least 10% of the recommended daily dose.

6 . Nutritional composition in accordance with one of the preceding claims, characterized in that it further contains amino acids such as I-leucine, L-valine and/or L-isoleucine.

7 . Use of a sugar substitute for the preparation of a composition to provide an increased CHO absorption, oxidation, and/or performance, in particular endurance performance.

8 . Use in accordance to claim 7 , wherein the composition is a nutritional composition in accordance with one of claims 1 - 6 .

9 . Use in accordance with one of claims 7 - 8 , to provide an increased gastrointestinal tolerance and/or to treat or prevent problems with the gastrointestinal tract.

10 . Use in accordance with claim 9 , wherein the problems with the gastrointestinal tract are selected from the group consisting of upper abdominal problems such as reflux, heartburn, bloating, upper abdominal cramps, vomiting, nausea; lower abdominal problems such as intestinal cramps, flatulence, urge to defecate, left abdominal pain, right abdominal pain, loose stool, diarrhoea; or systemic problems such as dizziness, headache, muscle cramp or urge to urinate.

11 . Use in accordance with one of claims 7 - 10 to allow for an enhanced blood sugar maintenance late in exercise.

12 . Use in accordance with one of claims 7 - 11 to provide an increased exogenous carbohydrate oxidation, to provide faster energy delivery, in particular to working muscles, and/or to provide more sustained energy to muscles.

13 . Use in accordance with one of claims 7 - 12 to further treat or prevent symptoms of fatigue, to improve cycling cadence, for example measured in revolutions per minute and/or to decrease ratings of perceived exertion (RPE).

14 . Use in accordance with one of claims 7 - 13 , wherein the composition is used in an amount that corresponds to an ingestion of at least 30 g CHO/h, preferably at least 50 g CHO/h, more preferably at least 65 g CHO/h and most preferably between 80 g CHO/h and 110 g CHO/h.