U

U by Yoplait has 89 kcal per 100 g. One serving (56 g) is about 50 kcal.

U contains 3.6 g of protein per 100 g — about 2 g per 56 g serving.

Yes — carbohydrates provide 76% of its calories (17.9 g per 100 g, of which 14.3 g is sugar).

Yes — just 53.6 mg per 100 g (2% of the daily value), which qualifies as low sodium.

Nutri-Score weighs negatives (calories, sugar, saturated fat, sodium) against positives (fiber, protein) per 100 g. Points against come from sugar (14.3 g). Overall that places it in band B.

About 112 g of U equals 100 kcal. It is a relatively low energy-density food, so portions can be generous.

It is a moderate source: 178.6 mg per 100 g, about 14% of the daily value. A 200 g portion covers roughly 28%.

Per 100 g it has 14.3 g sugar and 0.9 g fat. Fat provides 9% of its calories, so portion size matters most here.