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Facts About Collagen and Diabetes

Sep 07, 2025

 

You've probably heard a lot about collagen lately

People everywhere are talking about taking it to boost their bone health, improve their skin's glow, strengthen their hair, or even make their nails less brittle. And, as you might know, collagen is a type of protein. But if you're living with diabetes, a big question might pop into your mind “Can collagen actually help with blood sugar management, and is it truly worth adding to your routine?”

This is a question often addressed by a diabetes dietitian and a Diabetes Educator, professionals dedicated to guiding individuals with Type 1 diabetes and Type 2 diabetes through the complexities of nutrition and health. Let's dive into what the science says, straight from the perspective of an expert who has personally navigated Type 1 diabetes for nearly 25 years.

Collagen's Potential Benefits for Diabetes Management

When a Type 1 diabetes dietitian or Type 2 diabetes dietitian evaluates supplements, they look for solid scientific backing. Here’s what several studies suggest about collagen and its role in diabetes

Improved Markers for Type 2 Diabetes. In one study, a group of individuals living with Type 2 diabetes who supplemented with collagen showed promising results. Researchers observed improvements in their A1c levels (a key indicator of long-term blood sugar control), as well as better fasting blood glucose and even cholesterol levels. This is a pretty good start, suggesting a potential positive impact on overall metabolic health for those with T2D.

Collagen Depletion in Type 1 Diabetes. Perhaps one of the most interesting findings comes from a study involving individuals with Type 1 diabetes. This research revealed a significant decrease in collagen deposition by as much as 40% regardless of how well their blood sugars were controlled. This is a massive deal because collagen is vital for joint health and the health of connective tissues throughout the body. When collagen depletes, it can contribute to the formation of advanced glycation end products (AGEs). AGEs can lead to various complications associated with diabetes, such as "frozen shoulder," a painful condition where the shoulder joint becomes stiff and difficult to move. This depletion highlights a crucial need for support, a point often emphasized by a T1D dietitian.

Skin Health and Type 1 Diabetes. Another study, though conducted in mice, showed that those with Type 1 diabetes experienced increased skin dryness due to collagen depletion. While more research is needed in humans, this suggests that maintaining adequate collagen levels could play a role in skin integrity, a common concern for people with Type 1 diabetes.

Enhanced Insulin Sensitivity and Blood Sugar. A double-blind, randomized controlled trial, considered a high standard in research, though small, provided compelling evidence. It showed that people with diabetes who took collagen experienced increased insulin sensitivity, along with improved A1c and fasting blood sugar levels. This directly supports the idea that collagen could be a valuable tool in metabolic management.

Why Collagen Might Be a Smart Addition

So, should you consider taking collagen if you live with diabetes? Based on these findings, the answer leans strongly towards yes.

Firstly, as seen in the studies, collagen supplementation can potentially help with blood sugar management, including improving A1c and insulin sensitivity, which is a significant benefit for both Type 1 diabetes and Type 2 diabetes.

Secondly, and perhaps even more critically, collagen is already being depleted more rapidly in individuals living with diabetes compared to those without the condition. By supplementing, you're not just adding something extra; you're actively helping to support and replenish a crucial protein that your body is losing faster. This proactive approach can help mitigate the risks associated with collagen depletion, such as joint issues and the formation of harmful AGEs.

Think of collagen not as a primary protein source (like chicken or beans), but more like a supplement you might take for specific health benefits, similar to how many people take Vitamin D for bone health and immune support. It's about giving your body the building blocks it needs to function optimally, especially when an underlying condition like diabetes might be affecting its natural processes.

Next Steps for Your Health Journey

While the research is encouraging, it's always recommended to chat with your personal care team, including your diabetes dietitian or Diabetes Educator, before adding any new supplement to your routine. They can provide personalized advice based on your specific health needs and ensure it aligns with your overall diabetes management plan. This expert guidance can help you navigate the nuances of supplementation safely and effectively.

Embracing smart nutritional strategies, whether through food choices or targeted supplementation, is a powerful way to take control of your health with Type 1 diabetes or Type 2 diabetes. It’s about being proactive and giving your body the best chance to thrive, leading to more confidence and an unrestricted life.

Struggling to find snacks that won’t spike your blood sugar? This free guide is packed with smart options to help you snack confidently and keep your numbers steady. Grab your free copy now and snack smarter!

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