Effectiveness of Red Guava Juice (Psidium guajava L.) and Crystal Guava Juice (Psidium guajava L. “Crystal”) on Physical Fitness of Female Adolescents with Anemia

Anemia often occurs in female adolescents cause by iron deficiency. Adolescents are diagnosed anemia if the hemoglobin level is <12 g/dl. Someone who has prone to have low physical fitness. Consumption of foods that high and vitamin C such as guava juice can help improve The aim this study was analyze effect red crystal consumption on fitness with anemia. design a quasi-experimental pre post-test control group 36 subjects divided into 3 groups, namely (iron tablets), P1 tablets + juice), P2 juice). Red given 200 ml per day for 30 days. test uses Harvard Step Test method Physical Efficiency Index assessment. before after had difference 1.84±15.86, 17.20±20.35, 19.69±15.58. Based results statistical tests, it found there were differences three groups intervention p=0.031 (p<0.05). Giving be an alternative anemia, but most effective increasing