When most people think about marine collagen and heart health, they probably picture glowing skin or stronger hair and nails first. But researchers are now exploring whether collagen may play a broader role in supporting the body, including the cardiovascular system.
While marine collagen and heart health research is still emerging, some early findings are opening interesting conversations around blood vessels, circulation and healthy ageing.
The important thing to remember is that collagen is not a treatment for heart disease, but scientists are beginning to investigate where it may fit within the bigger wellness picture. (Cambridge University Press & Assessment)
Collagen is the body’s most abundant protein and acts like the framework that helps hold tissues together. It isn’t just found in skin and joints. Collagen is also present in blood vessels and the structural tissues surrounding the heart and circulatory system. Healthy collagen levels help provide strength and flexibility throughout the body. (Healthline)
As we age, our natural collagen production gradually declines. Most people are aware of the visible signs such as wrinkles or skin changes, but this decline also affects connective tissues throughout the body.
This has led researchers to ask an interesting question: Could supporting collagen intake also support other areas of healthy ageing, including cardiovascular health?
Scientists are still learning more about marine collagen and heart health, however some studies have identified a few promising areas worth watching.
1. Blood Vessel Structure
Collagen helps provide structural support to blood vessel walls. Researchers understand that healthy arteries rely on both strength and flexibility to function properly. (British Heart Foundation) Some researchers suggest collagen’s role in maintaining connective tissue integrity may be one reason it is now being explored beyond skin health.
Pro tip: Think of collagen as part of the body’s internal scaffolding. Supporting your overall protein intake becomes increasingly important as you age.
2. Cholesterol And Blood Pressure Markers
A 2023 systematic review and meta-analysis examined collagen peptide supplementation across multiple randomised controlled trials. Researchers observed reductions in LDL cholesterol levels and systolic blood pressure markers among participants. (Cambridge University Press & Assessment)
That does not mean collagen alone improves heart health, and researchers themselves noted that larger studies are still needed. However, these findings are one reason marine collagen and heart health continues to attract scientific attention.
3. Inflammation And Healthy Ageing
Chronic inflammation is increasingly recognised as one of the contributors involved in many age-related health concerns, including cardiovascular health. Marine-derived peptides are currently being studied for antioxidant and anti-inflammatory properties. Researchers are investigating whether these compounds may play a supportive role in healthy ageing processes. (Frontiers)
Researchers behind a large review published in the British Journal of Nutrition concluded that collagen peptide supplementation “may significantly decrease” certain cardiovascular markers including LDL cholesterol and systolic blood pressure. At the same time, they highlighted the need for more high quality research before stronger conclusions can be made. (Cambridge University Press & Assessment)
That balanced approach matters. Exciting early findings do not automatically equal proven outcomes.
No supplement replaces the foundations of cardiovascular health. The biggest drivers of long term heart wellness still include:
– Regular movement
– A diet rich in whole foods
– Quality sleep
– Stress management
– Not smoking
– Regular health check-ups
Marine collagen works best as part of an overall wellness routine, not as a stand-alone solution.
At ProPlenish, we believe in taking a whole body approach to beauty and wellbeing. While marine collagen and heart health research continues to evolve, it’s exciting to see scientists exploring the potential benefits of collagen far beyond skin support alone.
The conversation around marine collagen and heart health is still developing, but early research suggests collagen peptides may influence certain cardiovascular markers and support structural tissues involved in healthy ageing. More studies are needed before definitive claims can be made, but the emerging science is certainly worth watching.
Because feeling good isn’t just about how you look on the outside. It starts from within.
References: Jalili Z, et al. Effects of Collagen Peptide Supplementation on Cardiovascular Markers: A Systematic Review and Meta-analysis of Randomised Placebo-Controlled Trials. British Journal of Nutrition, 2023. (Cambridge University Press & Assessment). Xu N, et al. Marine-Derived Collagen as Biomaterials for Human Health. Frontiers in Nutrition, 2021. (Frontiers)
