Reading Nutrition Labels

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NuStart · Healthy Living Guides · Nutrition

Reading Nutrition Labels

A quick glance at a few key spots on the label tells you what a package is really offering, so you can decide what to buy and what to use in your kitchen.

Download the PDFPrints on letter paper, one page.

Up Front: Serving size first, then the few numbers you care about, then the first few ingredients. That quick scan is the whole skill.

The Why

Why It Matters

Food packaging is designed to sell, but the label on the back is where you get the real information. Learning to read it puts you in charge, so you can choose foods that match what you actually want more or less of. Many whole foods, like fresh produce, barely need a label at all. It is the packaged food that needs a second look.

The Essentials

What to Know

Start with the serving size

Everything on the Nutrition Facts label, from calories to grams of sugar, is based on one serving. That is your reference point. It is worth checking, because a package can hold more than one serving, and the numbers you see may be for a smaller amount than you would actually eat. Serving size is a general measurement, not a rule about how much you should have.

Scan the numbers that matter to you

Calories: a quick sense of the energy in one serving.
% Daily Value: shows whether a serving is low or high in a nutrient, based on a general 2,000-calorie day; about 5% is low and about 20% is high.
Fiber and protein: nutrients many people like to get more of for lasting fullness.
Added sugars: listed on their own line so you can see sugar added during processing, separate from sugar that occurs naturally.

Read the ingredient list

Ingredients are listed by weight, heaviest first. The first one or two tell you what you are mostly eating. For more nutrient-dense picks, look for recognizable whole foods near the top. For less-processed picks, look for a short list of items you can actually pronounce.

Compare, do not memorize. You do not need to track every gram. Use the label to compare two similar products on the shelf and pick the one that fits what you are going for that day.

The comparison

140 vs. 140 — one flavored, one plain

140vs.140

Two yogurts, same calories, same 150-gram pot. Redrawn from two retail containers, brands removed; the values are the label’s own and the pink marks are ours.

Flavored · 9 ingredients

Nutrition Facts Servings: 1, Serving Size: 1 Container (150g),

Amount per serving: Calories 140, Total Fat 2.5g (3% DV), Saturated Fat 1.5g (8% DV), Trans Fat 0g, Cholesterol 15mg (5% DV), Sodium 75mg (3% DV), Total Carbohydrate 17g (6% DV), Dietary Fiber <1g (2% DV), Total Sugars 16g (Includes 10g Added Sugars, 20% DV), Protein 11g (22% DV), Vitamin D (0% DV), Calcium (10% DV), Iron (0% DV), Potassium (4% DV).

Ingredients: Cultured reduced fat milk, cane sugar, lemon pulp, water, fruit pectin, natural flavors, lemon juice concentrate, guar gum, turmeric (for color).

Plain · 2 ingredients

Nutrition Facts Servings: 1, Serving Size: 1 Container (150g),

Amount per serving: Calories 140, Total Fat 8g (10% DV), Saturated Fat 5g (27% DV), Trans Fat 0g, Cholesterol 25mg (9% DV), Sodium 55mg (2% DV), Total Carbohydrate 5g (2% DV), Dietary Fiber 0g (0% DV), Total Sugars 5g (Includes 0g Added Sugars, 0% DV), Protein 14g (27% DV), Vitamin D 0mcg (0% DV), Calcium 180mg (15% DV), Iron 0mg (0% DV), Potassium 230mg (4% DV).

Ingredients: Grade A pasteurized skimmed milk and cream, live active yogurt cultures (L. Bulgaricus, S. Thermophilus, L. Acidophilus, Bifidus, L. Casei).

Neither pot is simply the better one: more sugar and more ingredients in one, more protein and more fat in the other. The label does not rank them; it lets you see the trade-off and choose. If you prefer the plain pot but not its taste, flavor it yourself: fruit or a drizzle of honey. Fruit’s sugars don’t count as “added”; honey’s do, and now the amount is your call.

Where the difference shows

Serving size: every number on the panel describes this amount. Both pots hold 150 g.

Added sugars: its own line, for sugar added in processing. Flavored: 10 g of 16. Plain: none of 5.

% Daily Value: 20% or more of a nutrient in one serving is a lot, 5% or less is a little (FDA). Added sugars on the flavored pot: exactly 20%.

The first two ingredients: listed heaviest first, so those two are most of what you are eating. Cane sugar is second of nine on the flavored pot.

Your Turn

Try This

Next time you shop, pull one packaged food you buy often and give its label a slow read. Notice the serving size first, then let your eyes travel to the numbers and ingredients that matter to you.

What surprised you when you checked the serving size against how much you usually eat?
Which one or two nutrients do you most want to keep an eye on, and why?
After reading the ingredient list, would you keep this pick or try a comparison next time?
The Bottom Line: Check the serving size before any other number. Everything else on the label depends on it.