Access the most effective and safest weight-loss protocol in 7 minutes.
Peso
Access the most effective and safest weight-loss protocol in 7 minutes.
Peso is the first tailor-made, 100% online weight-loss protocol with 1:1 medical support. Effective, with no waiting.
Start today, get your assessment tomorrow.
Fill out the clinical questionnaire from your phone. No travel, no waiting room.
A licensed doctor reviews your case in detail and determines if you qualify for the protocol.
Your personalised plan, your follow-up and direct access to your doctor. From day one.
A licensed doctor reviews your history and goals. No algorithm decides for you.
A doctor licensed in Spain reviews your history, lab results and goals before deciding anything. No algorithm makes decisions about your health.
The most advanced, effective approach for your case, with results from week 4.
The endocrinologist defines the most advanced, effective approach for your case, always authorised in Spain. Better tolerability and results from week 4.
Follow-up in phases: adaptation, active loss and consolidation.
Structured follow-up by phases: including adaptation, active loss and consolidation so you know what to expect at every stage.
Your plan adjusts to your real progress, with a doctor by your side throughout.
Review and adjustment of your personalised plan based on your real progress, with a professional doctor guiding you from start to finish.
Specialists in obesity and metabolic health from Clínica Evolution.
CEO, Clínica Evolution
Founder of Evolution. Leading voice on obesity and habits in Spanish media.
Founder and CEO of Clínica Evolution. For over 15 years a leading voice on obesity and healthy habits in major Spanish media; today he leads a pioneering team in obesity and advanced biomedicine.
Medical Director
Physician specialized in Preventive Medicine. Oversees every protocol.
Medical degree from the Complutense University, specialist in Preventive Medicine and Public Health with a master's from the Carlos III Health Institute. He oversees every protocol from start to finish.
Clinical & Sports Nutritionist
Clinical and sports nutritionist, expert in obesity.
Dietitian-nutritionist with a master's in Sports Nutrition, specialised in obesity and body recomposition. Clinical experience across Colombia, the United States and Spain, including Olympic-level athletes.
Clinical Nutritionist
Clinical nutritionist, expert in diabetes and bariatric surgery.
Over 5 years of experience in specialised practice and hospital management. Expert in type 2 diabetes and bariatric patients, currently studying an MSc in Human Nutrition at the Complutense University of Madrid.
Nutritionist specialised in obesity
Nutritionist specialized in obesity and eating behavior.
Graduate in Human Nutrition and Dietetics from the Complutense University, with a master's in Eating Behaviour Disorders. Specialised in obesity, digestive conditions and sustainable habits.
Access the most effective weight-loss protocol authorised in Spain. Instantly, with no waiting.
When nothing else worked, this did.
98%
of patients reach their goal
3.2 kg
average monthly loss per patient
100%
muscle mass recovery
100%
reach low-risk abdominal fat
It's not magic — it's science. By regulating appetite and satiety, cravings fade and results last.
Medical Director at AiON
Medical degree from the Complutense University, specialist in Preventive Medicine and Public Health with over 25 years of clinical experience. He oversees every protocol from start to finish.
Medical degree from the Complutense University of Madrid, specialist in Preventive Medicine and Public Health with a master's from the Carlos III Health Institute. With over 25 years of clinical experience, he personally oversees every protocol from start to finish.
Your current weight
kg estimated
Weight-loss potential
*Average 23% body weight loss over 72 weeks in clinical trials with next-generation treatments. Individual results may vary.
AiON x Clínica Evolution
AiON x Clínica Evolution
AiON x Clínica Evolution
Fill out the clinical questionnaire from your phone. No travel, no waiting room.
A licensed doctor reviews your case in detail and determines if you qualify for the protocol.
Your personalised plan, your follow-up and direct access to your doctor. From day one.
Peso
Medical guides reviewed by specialists.
Frequently asked questions
Peso is Spain's first next-generation medical weight-loss protocol, with the most effective authorised pharmacological prescription under endocrinologist criteria. It combines a real medical prescription, a personalised report, 1:1 follow-up with a licensed doctor and 24/7 support via AiON. It's not an online pharmacy or a chatbot: it's a real clinical protocol, run end-to-end by healthcare professionals.
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AiON x Clínica Evolution
