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Getting the latest healthcare news for you
Getting the latest healthcare news for you
Curcumin, the compound that gives turmeric its golden hue, may help protect blood vessels from Type 1 diabetes damage. In a rat study, curcumin reduced inflammation, restored calcium signaling, and improved vascular health to near-nondiabetic levels. Human trials are still needed before any clinical recommendations can be made.
Curcumin, the natural compound behind turmeric's vivid yellow color, is already well-known for its anti-inflammatory and antioxidant properties — and new research suggests it may have a role in protecting blood vessels from diabetes-related damage. Presented at the 2026 American Physiology Summit in Minneapolis, the study used a rat model of Type 1 diabetes to compare curcumin-treated diabetic rats with untreated diabetic rats over one month.
The results were notable: curcumin-treated rats showed vascular health improvements comparable to nondiabetic animals. Specifically, curcumin reduced inflammation, restored normal calcium activity in blood vessels, and rebalanced heat shock protein 70 — a key protein whose regulation is disrupted by diabetes. These changes suggest curcumin may help preserve blood vessel elasticity and function, potentially lowering cardiovascular risk in people with Type 1 diabetes.
Key Takeaways:
Why it matters: People with Type 1 diabetes face elevated cardiovascular risks even with insulin therapy. If curcumin's vascular-protective effects translate to humans, it could open a new complementary avenue for reducing heart disease in this population — though experts caution against self-supplementing without medical guidance.
