In semi-professional football players, higher sugar intake is linked to higher inflammation markers even after accounting for differences in body weight, age, sex, and training volume, suggesting reducing sugar could help lower inflammation.
Evidence from Studies
No evidence studies found yet.
What Would Prove This
Per GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this claim, ordered from strongest to weakest.
Whether the association between total dietary sugar and inflammation markers (hs-CRP, ADA) remains significant after adjusting for BMI, age, sex, and physical activity across multiple athletic populations.
A systematic review and meta-analysis of all prospective studies measuring total dietary sugar intake and hs-CRP/ADA in athletes aged 18–35, requiring adjustment for BMI, age, sex, and physical activity, including at least 10 studies with >500 participants each and standardized outcome measurement.
Whether reducing total dietary sugar intake lowers hs-CRP and ADA levels in semi-professional football players after controlling for BMI, age, sex, and physical activity.
A double-blind RCT of 120 semi-professional football players aged 18–35, randomized to either a 12-week low-sugar diet (<30g total added sugar/day) or habitual diet, with hs-CRP and ADA measured at baseline and endpoint, controlling for BMI, age, sex, and training volume.
Whether higher total sugar intake predicts future increases in hs-CRP and ADA over time in athletes after adjusting for BMI, age, sex, and physical activity.
A prospective cohort study following 500 semi-professional football players aged 18–35 for 3 years, measuring total sugar intake annually via FFQ and hs-CRP/ADA biannually, adjusting for BMI, age, sex, and training volume.
Whether athletes with elevated hs-CRP and ADA have higher past total sugar intake than controls after adjusting for BMI, age, sex, and physical activity.
A case-control study comparing 100 athletes with hs-CRP >3 mg/L and ADA >15 U/L to 100 matched controls, using validated 12-month dietary recall to assess total sugar intake, adjusting for BMI, age, sex, and training history.
Whether a single measurement of total sugar intake and inflammation markers shows an association after adjusting for BMI, age, sex, and physical activity in athletes.
A cross-sectional survey of 100+ semi-professional football players measuring total dietary sugar intake via FFQ and serum hs-CRP/ADA in a single visit, adjusting for age, sex, BMI, and physical activity — exactly as performed in this study.