What is The Best Collagen Supplement for Diabetics
What is the best collagen supplement for diabetics?
People living with diabetes face a specific challenge when it comes to collagen. Not only does collagen production decline naturally with age, but elevated blood sugar levels associated with diabetes actively accelerate that decline through a process called glycation. This makes collagen supplementation particularly relevant for diabetics, and the choice of supplement matters more than most people realise.
Why diabetes accelerates collagen loss
Sugar is one of the primary drivers of collagen degradation in the body. Through a process called glycation, glucose molecules attach to collagen fibres and progressively impair their function. The collagen becomes stiff, cross-linked and less able to perform its structural role in skin, joints, blood vessels and connective tissue.
People with diabetes have chronically elevated blood glucose levels, which means glycation occurs at a faster rate than in the general population. The consequences include:
- Stiffening of connective tissues and blood vessel walls
- Slower wound healing and reduced skin repair capacity
- Increased susceptibility to tendon and ligament injuries
- Accelerated skin ageing including loss of elasticity and increased wrinkling
- Greater risk of joint stiffness and cartilage deterioration
How collagen supplementation can help people with diabetes
Replenishing collagen lost through glycation
Supplementing with hydrolysed marine collagen peptides provides the body with the amino acid building blocks it needs to support its own collagen synthesis. This directly addresses the accelerated collagen deficit that diabetes creates. The peptides stimulate fibroblasts and chondrocytes to increase their own collagen production, partially offsetting the glycation-driven degradation.
Blood sugar stabilisation
There is clinical evidence suggesting that collagen supplementation may support more stable blood sugar levels. A study published in research examining the therapeutic effects of marine collagen peptides on patients with Type 2 diabetes found that insulin and blood glucose levels remained more stable in patients taking collagen compared to those taking other protein sources. Collagen may be more effective at supporting glucose metabolism than other dietary proteins, partly due to its high glycine content.
Glycine content and metabolic health
Glycine makes up approximately 33% of the amino acid content of collagen, making it one of the richest dietary sources of this amino acid available. Glycine plays several roles relevant to people with diabetes, including supporting insulin sensitivity, contributing to gut lining integrity and playing a role in blood sugar regulation. Conventional protein sources such as meat and dairy contain very low concentrations of glycine relative to collagen supplements.
Wound healing support
Slow wound healing is a significant concern for people with diabetes, and collagen is central to the wound healing process. The skin requires adequate collagen to repair itself effectively. Supplementing at a clinical dose supports the collagen matrix that underpins skin repair and reduces the risk of the complications associated with poor wound healing in diabetic patients.
Joint and connective tissue health
Diabetic neuropathy and musculoskeletal complications are more common in people with diabetes. Collagen is the primary structural component of tendons, ligaments and cartilage, all of which are affected by accelerated collagen degradation. Regular supplementation supports the integrity of these connective tissues and may help reduce joint stiffness and discomfort.
What to look for in a collagen supplement for diabetics
Not all collagen supplements are equally suitable for people with diabetes. Here is what matters most:
- No added sugars: many collagen products contain added sweeteners or sugars that could affect blood glucose. Choose a sugar-free formula
- Marine source: marine collagen has the highest bioavailability and is predominantly Type I — the most relevant type for skin and connective tissue health
- Clinical dose: 5,000 to 10,000mg of hydrolysed peptides per day is the dose used in clinical research. Products delivering significantly less are unlikely to produce meaningful results
- Quality certification: Informed Choice certification confirms the product has been independently tested for contaminants and banned substances
- Vitamin C included: Vitamin C is essential for collagen synthesis and many diabetics have lower circulating levels of Vitamin C due to competition with glucose for cellular uptake
Kollo Premium Liquid Marine Collagen meets all of these criteria. It delivers 10,000mg of Naticol® marine collagen peptides with Vitamin C per daily sachet, is completely sugar-free with natural tropical flavouring, and is Informed Choice certified. It is one of the most suitable collagen supplements available for people with diabetes on this basis.
How collagen fits into a broader health routine
For people with diabetes who are also managing joint pain, our complete guide to Kollo Flex+ covers targeted anti-inflammatory joint support that complements collagen supplementation. For women with diabetes navigating perimenopause or menopause, our complete guide to menopause supplements and guide to the best supplements for women over 40 explain how to build a comprehensive daily routine.
Always consult your GP or diabetes care team before starting any new supplement, particularly if you are managing blood sugar levels with medication.
Kollo Health was co-founded by Jenni Falconer - TV presenter, Smooth Radio breakfast host, ten-time London Marathon runner and host of the RunPod podcast. Read her story and why she created Kollo.
