Impact of Added Sugars and Refined Carbohydrates on Blood Pressure

Added Sugars (Sugar‑Sweetened Beverages)

Refined Carbohydrates

Professional Society Recommendations

Fiber Intake Recommendation

Sugar Consumption and Blood Pressure Elevation

Guideline Recommendations

• The American Heart Association acknowledges emerging evidence that increased intake of added sugars might raise blood pressure, citing animal studies with high-dose fructose, acute human ingestion studies, and epidemiological data including the Framingham Heart Study, which found that consuming 1 soft drink per day significantly increased odds of developing hypertension 4, 5, 6.
• The European Society of Cardiology recommends that sugar-sweetened beverages, including energy drinks, should be strongly discouraged as they can increase blood pressure and lead to cardiovascular complications, particularly noting that these beverages increase systolic blood pressure and risk for incident hypertension 7.

Clinical Recommendations

• The American Heart Association recommends limiting added sugars to no more than 100 calories/day for women and 150 calories/day for men 8, 9.
• Patients should avoid sugar-sweetened beverages entirely, as they are the primary source of added sugars and show the strongest association with hypertension 10, 7.
• The European Heart Society recommends restricting free sugar consumption to a maximum of 10% of energy intake 7.

Mechanisms of Action

• The blood pressure elevation from sugar appears to occur through multiple pathways, including direct metabolic effects, such as fructose increasing hepatic triglyceride synthesis, de novo lipogenesis, and very-low-density lipoprotein secretion, which may contribute to vascular dysfunction 4, 5.
• Sugary refined foods result in higher glucose and insulin levels compared to whole foods, potentially affecting vascular tone 5, 6.