 Methodology: Design: Controlled, randomized, open-label clinical trial with two parallel intervention arms and 2 years follow-up. Study population: People between 65 and 75 years of age, obese BMI 30, without criteria of fragility and living in the community. Study intervention: multimodal and personalized intervention with the support of a personal trainer that has two main axes of action: a diet: assessment of nutritional status and nutritional requirements and establishment of personalized nutritional plan with monthly dietetic controls and b physical exercise: a multi-component physical exercise program that will include aerobic exercise and strengthening, balance and flexibility exercises as well as a weekly group session of health education, during six months. Main outcome measures to be evaluated annually for 2 years: Fragility according to the L Fried criteria and Sarcopenia according to the criteria of the European Working Group on Sarcopenia in Older People -EWGSOP. Sarcopenia is considered if there is a decrease in gait velocity or muscle grip strength measured with a dynamometer and a decrease in muscle mass assessed by bioimpedance BIA. Intermediate outcome measures at 6, 12 and 24 months: a weight loss, b changes in body composition and distribution of body fat, c glycemic control HbA1 and insulin resistance by HOMA index HOmeostasis Model Assessment, d cardiovascular risk according to the REGICOR algorithm, e functional capacity according to Barthel Index and 2 Minute Walking Test, f inflammatory markers IL-6, CRPC reactive protein, TNFTumor Necrosis Factor-alpha and leptin and g anabolic hormones IGF-1, ghrelin and testosterone. 