Recommended Daily Added Sugar Intake for Cholesterol Health
For maintaining healthy cholesterol levels, limit added sugars to no more than 25 grams (6 teaspoons) per day for women and 37.5 grams (9 teaspoons) per day for men, though ideally aim for less than 10% of total daily calories from added sugars.
The Evidence-Based Recommendation
The American Heart Association's scientific statement provides the clearest guidance on this issue 1. The AHA recommends that most American women consume no more than 100 calories per day from added sugars (approximately 25 grams or 6 teaspoons), and most American men consume no more than 150 calories per day (approximately 37.5 grams or 9 teaspoons) 1. This represents half of the discretionary calorie allowance for most adults.
Why This Matters for Your Cholesterol
Multiple research studies demonstrate a clear dose-response relationship between added sugar intake and adverse lipid profiles:
HDL cholesterol (the "good" cholesterol) decreases as added sugar intake increases. In adults consuming ≥25% of calories from added sugars compared to <5%, HDL levels dropped from 58.7 mg/dL to 47.7 mg/dL 2. This is clinically significant—a difference of 11 mg/dL.
Triglycerides increase with higher sugar consumption. The same study showed triglycerides rising from 105 mg/dL to 114 mg/dL across consumption levels 2.
LDL cholesterol (the "bad" cholesterol) also increases, particularly in women, with higher added sugar intake 2.
The risk of dyslipidemia increases substantially. Adolescents in the highest quintile of added sugar consumption had 41% higher odds of dyslipidemia compared to the lowest quintile 3.
The 10% Threshold Is Critical
Research consistently shows that consuming less than 10% of total daily calories from added sugars is associated with better cholesterol outcomes 4. For a 2000-calorie diet, 10% equals 200 calories or 50 grams of added sugar—but this should be viewed as an upper limit, not a target.
Longitudinal data from adolescent girls showed that those consuming <10% of calories from added sugars experienced a 2.2 mg/dL increase in HDL over 10 years, while those consuming ≥10% experienced a 0.4 mg/dL decrease 4. This demonstrates that the effects are not just immediate but accumulate over time.
Current American Consumption (The Problem)
The average American consumes 22.2 teaspoons (approximately 89 grams) of added sugars daily 1—nearly 4 times the AHA recommendation for women and 2.4 times the recommendation for men. This excessive intake is primarily driven by sugar-sweetened beverages, which are the single largest source of added sugars in the American diet 1.
Practical Implementation
To achieve these targets:
Track added sugars, not total sugars. Naturally occurring sugars in whole fruits, vegetables, and dairy products are not the concern—it's the sugars added during processing or preparation 1.
One teaspoon of sugar equals 4 grams 1. A single 12-ounce can of regular soda typically contains 39-40 grams of added sugar, already exceeding the daily recommendation for women.
Read nutrition labels carefully. While current US labels show "total sugars," you need to identify added sugars specifically (newer labels now distinguish this).
Primary sources to limit: soft drinks, fruit drinks, desserts, candy, sweetened cereals, and foods with added syrups or sweeteners 1.
Important Caveats
These recommendations apply to added sugars only—not the naturally occurring sugars in whole fruits, vegetables, or unsweetened dairy products.
The relationship between added sugars and cholesterol appears consistent across sex, race/ethnicity, and body weight categories 3, meaning these recommendations apply broadly.
The effects are dose-dependent: the more added sugar consumed, the worse the lipid profile 2. Even modest reductions can provide benefit.
While a Cochrane review found only "low certainty" evidence for cardiovascular outcomes 5, this reflects the lack of long-term randomized trials on hard endpoints (heart attacks, death), not the absence of effect. The consistent findings across multiple observational studies and the clear biological mechanisms support the recommendation.
The bottom line: Keeping added sugars below 25 grams/day for women and 37.5 grams/day for men—and ideally under 10% of total calories—provides the best evidence-based approach for maintaining healthy cholesterol levels 1, 4, 2.