Added Sugar: Guidelines Converge on Limiting It
Limiting added sugar is part of the pattern dietary guidelines converge on: a comparison of food guides reports the shared message of less added sugar and saturated fat (Reedy 2008), the AHA recommends reduced salt and added sugars (Lichtenstein 2006), and a meta-analysis identifies sugar-sweetened beverages among the harmful dietary factors for cardiometabolic disease (Micha 2017).
Not for clinical populations without professional guidance
- Signs of disordered eating (food/weight preoccupation, restriction, bingeing, purging, compulsive exercise): see a qualified eating-disorder professional
- Diagnosed medical condition (diabetes, chronic kidney disease, heart failure, GI disease): see a registered dietitian or physician
- Pregnancy or breastfeeding: see a prenatal provider or registered dietitian
- Unintentional weight loss, difficulty swallowing, or persistent GI symptoms: seek medical evaluation
What the evidence says
The sources on this entry are dietary guidelines and position statements, comparisons of food guides, and reviews of dietary factors and cardiometabolic disease. Cara 2022 (meta-epidemiological review of 88 clinical practice guidelines) reports substantial commonality among dietary recommendations, with vegetables (74%), fruit (71%), whole grains (59%) and legumes (46%) the foods “most commonly recommended for daily intake”. Reedy 2008 reports that the USDA MyPyramid, DASH and Harvard Healthy Eating Pyramid guides share consistent messages, among them less added sugar and saturated fat, and Krebs-Smith 2007 reports MyPyramid as consistent with DASH, AHA and American Cancer Society recommendations. Lichtenstein 2006 (AHA recommendations) recommends fruits and vegetables, whole grains, fish and reduced salt and added sugars, and Krauss 2000 recommends an overall healthy eating pattern with fat at or below 30% of energy. Micha 2017 (meta-analysis) identifies sugar-sweetened beverages, glycemic load, red and processed meats, trans-fats and sodium as harmful dietary factors and fruits, vegetables, legumes, nuts, whole grains, fish and fiber as protective, and concludes that multiple dietary factors have probable or convincing causal effects on cardiometabolic disease. Hu 2002 (systematic review) reports a diet high in fruits, vegetables, nuts and whole grains and low in refined grains as one of at least three dietary strategies it finds effectively prevent coronary heart disease. Rock 2020 and Kushi 2002 (cancer-prevention guidelines) are recorded as consistent with AHA and ADA guidance, Snetselaar 2021 describes dietary guidelines that give recommendations by life stage, and Franz 2003 reports that macronutrient ranges from multiple organizations are largely compatible. No source on this entry states a threshold for added sugar; the sources describe guideline convergence on limiting it.
- MYTH: Fruit sugar is as harmful as soda. CORRECTION: Systematic reviews of etiologic effects identify fruit as protective.
- MYTH: Honey and agave are health foods. CORRECTION: They are still added sugars, which guidelines converge on limiting.
- Do not claim any food, diet, or supplement cures, treats, or prevents any disease
- Do not diagnose nutrient deficiencies or medical conditions
- Do not promise specific weight-loss amounts or timelines
- Do not deliver individualized medical nutrition therapy or replace clinical care
- Do not claim sugar causes any specific disease
- Agreement
- Direction recorded for 0 of 11 sources; not yet recorded for the rest.
- The claim's outcome
- Outcome not yet recorded
- Certainty
- No source states a certainty rating.
- How the sources were read
- Some sources are based on abstracts, not full texts.
What each source measured and concluded (11)
- What it measured
- Diet and physical activity recommendations for cancer prevention
- How it was read
- based on the abstract, not the full text
- What it measured
- Dietary recommendations to promote health and prevent chronic disease
- How it was read
- based on the abstract, not the full text
- What it measured
- Commonalities among dietary recommendations across clinical practice guidelines
- How it was read
- screened only, not extracted
- What the review says it includes
- Meta-epidemiological study (systematic review; guidelines as unit of analysis)
- Studies and participants, as stated
- 88 guidelines included (preliminary results from 82); 2,435 records screened
- How it was read
- screened only, not extracted
- What it measured
- AHA dietary guidelines (revision 2000) for reducing cardiovascular disease risk
- How it was read
- screened only, not extracted
- What it measured
- Comparison of food-based recommendations and nutrient values of USDA MyPyramid, NHLBI DASH Eating Plan, and Harvard Healthy Eating Pyramid
- How it was read
- screened only, not extracted
- What it measured
- Consistency of MyPyramid recommendations with population-based recommendations for controlling chronic diseases
- How it was read
- screened only, not extracted
- What it measured
- Etiologic effects of dietary factors on cardiometabolic disease and optimal population intake levels
- How it was read
- screened only, not extracted
- What it measured
- Effective dietary strategies for preventing coronary heart disease
- How it was read
- screened only, not extracted
- What the review says it includes
- Systematic review (of metabolic, epidemiologic, and clinical trial evidence)
- Studies and participants, as stated
- 147 original investigations and reviews selected
- What it measured
- AHA Diet and Lifestyle Recommendations (2006 revision)
- How it was read
- screened only, not extracted
- What it measured
- Nutrition and physical activity recommendations for cancer prevention
- How it was read
- screened only, not extracted
Each source below is shown with its study design and a link to the original study, or, where it is not a completed research paper, with what kind of record it is; those are not counted. This is the audit trail.
Why do some records show a record type instead of a study design?
A study design is shown for a completed, peer-reviewed paper. A registered protocol, a preprint, a conference abstract, a referee report or a book chapter has not been through peer review as a finished paper, so it is labelled for what it is, and it is counted in no source count. Where a record could not be confirmed as a completed paper at all, it says so rather than guessing. They all stay in the list, and their DOI still resolves, because the count of what was screened is part of the audit trail.
- Protocol / registration A registered plan for a review or trial, not its results.
- Preprint Posted by its authors before peer review.
- Conference abstract A conference summary rather than a peer-reviewed paper.
- Peer-review report A referee's report on a paper, not the paper itself.
- Guideline / position stand A recommendation derived from evidence, which is a step further from the data than the evidence itself.
- Book chapter A chapter in a scholarly book rather than a journal paper.
- Type not recorded Our record does not say what kind of publication this is, so it is counted in no source count. That is a gap in our data, not a judgement about the research.
“Abstract only” means the review read that paper’s abstract, not its full text; “screened only” means it was included at re-screening and not extracted. Both stay in the trail with their DOI, because how a source was read is part of the audit.