PROBLEM TO BE SOLVED: To provide a health information system and health that can estimate biochemical test values by a simpler method, evaluate health risks, and give advice for maintaining or recovering health without using blood tests or the like. Provide an information provision program. A health information providing system 50 includes a body composition acquisition unit 54 that acquires user body composition information, a biochemical test value estimation unit 55 that estimates biochemical test values based on body composition information, and biochemistry. It includes an output unit 58 that outputs health information based on the test value or the biochemical test value. [Selection diagram] Fig. 4
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