ABSTRACT OF THE DISCLOSURE A nutritional composition comprising a carbohydrate fraction comprising glucose and fructose in a ratio from about 3:1 to about 1:1, wherein: the powder nutritional composition is designed to be dissolved in water, a serving size of the nutritional composition is from about 1 to about 20 g, the carbohydrate fraction comprises at least 30% glucose and fructose, the carbohydrate fraction provides at least 50% of the energy of the nutritional composition and the nutritional composition comprises an energy density from about 800 kJ/100 g to about 2200 kJ/100 g. The performance may be, for example, athletic, academic, or other performances requiring physical stamina and/or mental alertness. ABSTRACT OF THE DISCLOSURE A nutritional composition comprising a carbohydrate fraction comprising glucose and fructose in a ratio from about 3:1 to about 1:1, wherein: the powder nutritional composition is designed to be dissolved in water, a serving size of the nutritional composition is from about 1 to about 20 g, the carbohydrate fraction comprises at least 30% glucose and fructose, the carbohydrate fraction provides at least 50% of the energy of the nutritional composition and the nutritional composition comprises an energy density from about 800 kJ/100 g to about 2200 kJ/100 g. The performance may be, for example, athletic, academic, or other performances requiring physical stamina and/or mental alertness. Methods for producing compositions of decellularized extracellular matrix (DM) tissue culture are described. The compositions can be used for coating supports such as tissue culture substrates, osteogenic gels, and medical devices.Se proporcionan composiciones nutricionales que contienen hidratos de carbono para maximizar el rendimiento y métodos para hacer y usar las mismas. Las composiciones nutricionales proporcionan una composición refrescante y fácil de consumir que proporciona adecuadas cantidades y tipos de nutrición para proporcionar al cuerp
