A research team from the University of Navarra, led by Dr. Fermín Milagro from the Center for Nutrition Research (CIN), presented new findings at the 32nd European Congress on Obesity held in Málaga. The study highlights collagen as a promising tool in the fight against obesity and overweight conditions.
What is Collagen?
Collagen is the most abundant protein in the human body, accounting for about 30% of total body protein. It is a key structural component of the skin, cartilage, tendons, ligaments, and bones. However, its role extends beyond structural support. Recent studies—including the one led by Dr. Milagro—suggest that collagen may also influence key metabolic processes.
Collagen and Appetite Control
According to the results presented by the Spanish team, collagen may have a satiating effect, making it a strategic ally in weight loss diets. In the study, the researchers developed energy bars enriched with 10 grams of hydrolyzed collagen, which participants consumed before their main meals.
After eight weeks, the results were significant:
– Notable reduction in body weight compared to the control group.
– Improved metabolic markers, such as blood glucose and total cholesterol.
– Greater adherence to the diet, thanks to a noticeable reduction in hunger between meals.
Potential Mechanism: More Than Just Fewer Calories
Dr. Milagro explains that the benefits of collagen are not solely due to reduced calorie intake. The team’s hypothesis is that bioactive peptides generated during collagen digestion may act as metabolic regulators.
Previous studies—published in journals such as Nutrients and the Journal of Functional Foods—suggest that certain collagen-derived peptides may influence:
– Insulin regulation and glucose sensitivity.
– Reduction of LDL cholesterol (commonly known as “bad” cholesterol).
– Improvement of lipid profiles and reduction of systemic inflammation, which are critical factors in people with obesity.
A Practical and Safe Approach
One of the study’s strengths lies in its practical application: collagen was administered through food bars that were easy to consume, well tolerated, and had no reported side effects. This type of intervention is especially beneficial for individuals who struggle with hunger while on restrictive diets.
Moreover, the hydrolyzed collagen used in the study has high bioavailability, meaning it is efficiently absorbed and utilized by the body.
Conclusion: Can Collagen Help With Weight Loss?
While more long-term studies are needed to confirm these effects, the findings presented by the University of Navarra team open up new perspectives on the use of collagen as a nutritional supplement for weight management, particularly in individuals with obesity or metabolic disorders.
Although collagen is not a “miracle product,” incorporating it into a balanced diet and healthy lifestyle could enhance weight loss outcomes—while also providing additional benefits for joint, bone, and skin health.
