New guidelines announced today by the Food and Drug Administration (FDA) say people should cap consumption at 50 grams of sugar a day — about 4 tablespoons or a little more than a can of Coke. The World Health Organization (WHO), meanwhile, suggests no more than half that amount for best results.

What is 25g sugar?

For an adult with a normal body mass index, 5% of daily calories works out to about 25 grams of sugar, or six teaspoons, the WHO says. Added sugar is hidden in all kinds of processed foods. A single tablespoon of ketchup has about one teaspoon of sugar.

Is 90 grams of sugar too much?

There is naturally occurring sugar in all plants and fruits and vegetables are good for you. In fact, most of your plate should make up plant-based foods if you want to be at your optimum health. So, it breaks down that adults should not consume more than about 90 grams in total of all sugars each day.