Results
We found that the NG label encouraged consumers to choose beverages with higher ratings. This led to a reduction in sugar from beverages purchased by 1.51 g [95% CI: − 2.68, − 0.34] per serving but was not effective at reducing saturated fat purchased (− 0.009 g [95% CI: − 0.22, 0.20]) per serving or improvements in overall diet quality, measured by the weighted (by the number of servings) average Nutri-Score value ranging from 1 to 5 (− 0.024 [95% CI: − 0.13, 0.08]).