DASH Diet and Grocery Delivery Lower Blood Pressure in Black Adults

Study finds providing healthy food access and guidance can have similar effects to blood pressure medications.

Mar. 30, 2026 at 4:22am

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A recent study presented at the American College of Cardiology's annual scientific session reveals that providing hypertension patients in food deserts with dietitian guidance and home delivery of groceries aligned with the DASH (Dietary Approaches to Stop Hypertension) diet led to an average systolic blood pressure reduction of 7 mm Hg over three months, comparable to the effects of common blood pressure medications.

Why it matters

Hypertension affects approximately 58% of Black adults in the United States, significantly higher than the 48% prevalence in the overall adult population. This disparity contributes to higher rates of cardiovascular disease within this community. The study highlights how limited access to fresh produce and quality food options in food deserts is a critical barrier to healthy eating.

The details

The GoFreshRx trial, conducted in the Boston area, involved 176 participants with hypertension. Half received personalized dietitian support and grocery deliveries based on DASH principles, while the other half received a monthly grocery allowance and a DASH diet brochure. Those receiving deliveries experienced a 7 mg/dL reduction in LDL cholesterol in addition to the 7 mm Hg blood pressure drop. The program emphasized preparing foods without added salt, aiming for a 2:1 potassium-to-sodium ratio, limiting saturated fats to less than 7% of total calories, and avoiding processed foods and added sugars.

  • The study was presented at the American College of Cardiology's annual scientific session in 2026.

The players

GoFreshRx

A program that provided hypertension patients in the Boston area with personalized dietitian support and grocery deliveries based on the DASH diet principles.

Stephen Juraschek, MD, PhD

The lead author of the study and a researcher who emphasized the potential for self-management in people with hypertension.

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What they’re saying

“This study shows a real pathway for self-management in people with hypertension.”

— Stephen Juraschek, MD, PhD, Lead Author

What’s next

Future research will explore the long-term effects of such interventions, assess additional health outcomes, and investigate the applicability of the model to other high-risk populations, such as individuals with diabetes or higher systolic blood pressure readings.

The takeaway

This research suggests that simply knowing about a healthy diet isn't enough; removing access barriers to nutritious foods is crucial for managing chronic conditions like hypertension, especially in underserved communities. Scaling programs that improve affordability and access to healthy foods could significantly improve public health and prevent heart disease.