Managing the Relationship Between Sodium and Sugar Intake
Key Recommendations
People should limit sodium consumption to <2,300 mg/day while simultaneously replacing sugar-sweetened beverages with water and minimizing foods with added sugar to improve overall health outcomes. 1
Understanding the Sodium-Sugar Relationship
Recent research has identified an important relationship between sodium and sugar intake:
- Lower sodium intake is often associated with higher sugar consumption 2
- People reporting low sodium intake on dietary recalls tend to have higher sugar consumption, which may partially explain cardiovascular health impacts 2
- Processed and ultra-processed foods are major contributors to both excessive sodium and sugar intake 1, 3
Sodium Intake Guidelines
General Population
- Limit sodium to <2,300 mg/day 1
- This recommendation applies to people with diabetes and prediabetes 1
Higher-Risk Populations
- For those with hypertension and diabetes, further sodium restriction may be considered, but should not go below 1,500 mg/day due to potential adverse effects 1, 3
- The American Heart Association recommends 1,500 mg/day for higher-risk populations including:
- People with hypertension
- African Americans
- Adults over 51 years
- People with diabetes
- People with chronic kidney disease 3
Sugar Intake Guidelines
- Replace sugar-sweetened beverages (including fruit juices) with water 1
- Minimize consumption of foods with added sugar 1
- For people with diabetes, sugar-sweetened beverages should be avoided to:
- Control weight
- Reduce risk of cardiovascular disease
- Reduce risk of fatty liver disease 1
- The American Heart Association recommends children under 2 years should avoid added sugars completely 4
Practical Implementation Strategies
Reducing Sodium
- Read food labels (foods with <140 mg or 5% Daily Value are considered low in sodium) 3
- Replace processed foods with fresh alternatives 3
- Reduce salt added during cooking and at the table 3
- Use herbs and spices as flavor alternatives 3
- Be aware of hidden sodium in medications 3
Reducing Sugar
- Replace sugar-sweetened beverages with water 1
- Choose whole foods over highly processed foods 1
- Emphasize non-starchy vegetables in your diet 1
- Consider using non-nutritive sweeteners as a short-term replacement strategy for sugar-sweetened beverages 1
Important Considerations and Pitfalls
Sodium Intake Pitfalls
- Very low sodium intake (<1,500 mg/day) may be associated with adverse health outcomes in some studies 1, 5
- Some research suggests moderate sodium intake (3-5 g/day) may be associated with lowest cardiovascular risk 5
- Sodium recommendations should consider palatability, availability, affordability, and nutritional adequacy 1
Sugar Intake Pitfalls
- Non-nutritive sweeteners should be used in moderation 1
- While non-nutritive sweeteners may help reduce calorie and carbohydrate intake, they should be viewed as a short-term replacement strategy 1
- Focus on decreasing both sweetened and non-nutritive-sweetened beverages over time, emphasizing water intake 1
Food Sources to Monitor
- 75-80% of sodium consumption comes from processed and restaurant foods 3
- Top sodium contributors: bread, cold cuts, pizza, poultry, soups, sandwiches, cheese, pasta dishes 3
- Major sugar sources: sweetened beverages, desserts, snacks, and breakfast pastries 4, 6
By implementing these evidence-based strategies to manage both sodium and sugar intake, you can significantly improve your health outcomes related to blood pressure, weight management, and cardiovascular risk.