The 2020 Nutrition Facts panel update was one of the more useful things to come out of federal food policy in recent memory. The FDA added “Added Sugars” as a separate line, updated serving sizes to reflect what people actually eat, and increased the minimum font size. The label is better than it was. It still rewards knowing how to read it.

The Nutrition Facts Panel, Line by Line

Here’s a typical panel for a popular flavored yogurt:

Nutrition Facts
8 servings per container
Serving size  2/3 cup (55g)

Amount per serving
Calories  230

                          % Daily Value*
Total Fat 8g                    10%
  Saturated Fat 1g               5%
  Trans Fat 0g
Cholesterol 0mg                  0%
Sodium 160mg                     7%
Total Carbohydrate 37g          13%
  Dietary Fiber 4g              14%
  Total Sugars 12g
    Includes 10g Added Sugars   20%
Protein 3g

Vitamin D 2mcg                  10%
...

Serving Size. Everything on the label is per serving. The 2020 update made serving sizes more realistic. A can of soda is now labeled as one serving, not 2.5, and a pint of ice cream shows 3 servings rather than 8. But cereal servings are still frequently ¾ cup, which most people pour past without thinking. Check this first.

Total Carbohydrate vs. Total Sugars. Total Carbohydrate includes fiber, starches, and sugars. The sugars line is a subset. Not all carbohydrates are sugars, whole oats and white bread are both carbohydrates, with metabolic effects substantially different from table sugar.

Total Sugars vs. Added Sugars. Total Sugars covers everything, including naturally occurring lactose in dairy and fructose in fruit. Added Sugars covers only what was put in during processing. In the example above: 12g total, 10g added. The 2g difference is naturally occurring dairy sugar. The 10g added represents 20% of the FDA’s 50g daily reference value — but the AHA recommends no more than 25g for women and 36g for men, so the FDA’s %DV is a higher bar than health organizations actually advise.

Percent Daily Value (%DV). Based on a 2,000-calorie diet. For added sugars, the reference is 50g/day, higher than the 25g the AHA recommends for women and 36g for men. A product can show “20% DV” for added sugar while representing a much higher percentage of what health organizations actually advise.

What Manufacturers Do

Serving size manipulation. The 2020 rules forced single-serving containers to be labeled as one serving. Multi-serving packages, cereal boxes, yogurt containers, still allow companies to set serving sizes that minimize the numbers per serving. An 8-serving container of something with 10g added sugar per serving looks different than it would if labeled per-container.

Sugar by many names. The ingredient list and the Nutrition Facts panel are separate, and reading both tells you more than either alone. The panel tells you the total amount of added sugar. The ingredient list tells you what form it’s in and how prominent it is. If four different sugar forms appear, say, “sugar, brown rice syrup, dextrose, cane juice”, each one appears separately and lower on the list than if all the sugar were listed under one name. Combined, they might outweigh every other ingredient in the product.

“No Added Sugar” vs. “Unsweetened.” “No added sugar” means nothing was added during processing. It says nothing about natural sugar content. Grape juice has no added sugar and can have 36g of naturally occurring sugar per cup. “Unsweetened” specifically means no sweeteners of any kind were added, which is slightly more informative but still doesn’t tell you the natural sugar content.

Net carbs. This term appears heavily in low-carb product marketing. The math is Total Carbohydrates minus Fiber, since fiber isn’t digested and doesn’t affect blood glucose. It’s not an FDA-recognized term, and while the calculation is roughly valid for blood glucose purposes, it can make products look lower in carbs than they are overall.

The Math

Grams to teaspoons. Divide grams by 4. 12g ÷ 4 = 3 teaspoons.

Percentage of daily limit (using AHA guidelines, stricter than FDA and more commonly used in health class):

  • Women’s limit: 25g
  • Men’s limit: 36g
  • Formula: (added sugar grams / limit) × 100

Example: yogurt with 10g added sugar, woman’s limit: (10 / 25) × 100 = 40% of her daily limit in one serving.

Servings before exceeding the limit. Limit ÷ added sugar per serving. 25g ÷ 10g = 2.5 servings.

Sugar as percentage of calories. Each gram of sugar = 4 calories. 10g × 4 = 40 calories from added sugar. If the product is 230 calories total: (40 / 230) × 100 = 17% of calories from added sugar.

Products Worth Comparing

These six cover the widest range of label patterns:

Flavored yogurt. Often 20-30g added sugar per cup, with natural dairy sugar on top of that — a product where Total vs. Added tells a more complete story than either number alone.

Granola bar. Chewy granola bars (Nature Valley, Quaker) typically have 12-14g added sugar and list several different sugar names in the ingredients. Consistently marketed as health food.

Jarred tomato sauce. Most people don’t expect sugar in pasta sauce. Prego Traditional has 10g added sugar per half cup, more than some dessert items.

A sweetened beverage. Soda or a sports drink. Highest sugar-per-serving on this list by a wide margin.

Something low in added sugar. Plain oatmeal, plain Greek yogurt. A baseline for comparison, and a reminder that not everything in a category performs the same.

A “reduced sugar” or “light” version of one of the above. Sometimes the reduction is real. Sometimes the product has 5g less sugar but more sodium and artificial sweetener, and “reduced” on the label is doing most of the work.

What the Label Can’t Tell You

The 2020 update is a genuine improvement. But the Added Sugars line doesn’t flag significant natural sugar in juice and dried fruit. The %DV for added sugars is higher than what health organizations actually recommend. Marketing claims on the front of the package are largely unregulated. An informed reader uses the Nutrition Facts panel, reads the ingredient list, and ignores the front entirely.

The front of the package is advertising. The Nutrition Facts panel and ingredient list are on the back. Most people interact with these in the wrong order.

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