
A new study from Iran’s Urmia University of Medical Sciences has revealed that turmeric and vitamin D can control high blood pressure in type 2 diabetes, offering a promising natural support to conventional treatments. With type 2 diabetes affecting millions globally, especially older adults, managing blood pressure is just as critical as controlling blood sugar.
This research adds weight to the growing interest in using natural supplements to reduce complications like heart disease and kidney damage.
Turmeric and Vitamin D Benefits for Type 2 Diabetes
Turmeric, a golden spice commonly used in Indian and Asian cooking, contains curcumin, a compound known for its anti-inflammatory and antioxidant properties.
Vitamin D, often called the “sunshine vitamin,” helps the body absorb calcium and supports immune health. Both have shown potential in improving cardiovascular function.
In the 12-week study, 80 adults with type 2 diabetes and low vitamin D levels were divided into four groups: turmeric only, vitamin D only, both supplements, and a placebo. The results were notable:
- Vitamin D alone reduced both systolic and diastolic blood pressure.
- Turmeric alone improved diastolic pressure significantly.
- Combined use showed benefits mainly for diastolic pressure, though vitamin D’s effect on systolic pressure was less pronounced when paired with turmeric.
Natural Supplements and Blood Pressure Control
These findings suggest that turmeric and vitamin D may offer additional support for people managing type 2 diabetes. However, researchers caution that more studies are needed to determine ideal dosages and long-term effects. Dr. Reza Mohammadi, lead author of the study, noted,
“Natural compounds like curcumin and vitamin D show promise, but they should complement—not replace—medical treatment.”
Meanwhile, experts recommend incorporating these nutrients through diet:
- Turmeric: Found in curry dishes, teas, and golden milk
- Vitamin D: Present in fatty fish, eggs, fortified cereals, and dairy
Managing Type 2 Diabetes Holistically
While turmeric and vitamin D can control high blood pressure in type 2 diabetes, lifestyle changes remain essential. A balanced diet, regular exercise, and stress management play a pivotal role in reducing complications. Foods like olive oil and leafy greens also support heart health and blood sugar stability.
Turmeric and Vitamin D Show Promise for Diabetic Blood Pressure
The idea that turmeric and vitamin D can control high blood pressure in type 2 diabetes is gaining traction. These natural supplements may become valuable tools in holistic diabetes care—especially when combined with medical guidance and healthy habits.

