PROBLEM TO BE SOLVED: To provide an IGF-1 production promoter, a hair tonic, a muscle activator and an energy production promoter comprising extracts of Macroptilium atropurpureum as an active ingredient.SOLUTION: This invention provides cosmetics, pharmaceuticals, quasi drugs and food products comprising extracts of Macroptilium atropurpureum as an active ingredient for hair loss prevention or improvement, and muscle enhancement. The extracts of Macroptilium atropurpureum have excellent IGF-1 production promoting action, and show hair loss prevention or improvement, and muscle enhancement effects.