Compare regular and sugar-free sauces by the amount you use

Choose a useful comparison

Begin with the sauce and the meal you actually want. A condiment used as a small dip needs a different portion from a sauce coating an entire tray of food. Decide whether you are comparing equal amounts, or comparing two realistic ways of preparing the same meal. Both can be useful as long as the amounts stay visible.

Our sauce comparison starts with database references. These provide context, but a regular ketchup record cannot substantiate the nutrition of a named sugar-free ketchup. When buying, move from the generic comparison to the exact bottle’s label.

Read beyond the front label

‘Unsweetened’, ‘no added sugar’ and ‘sugar-free’ should prompt a closer look at the ingredient and nutrient panels, not replace them. Primal Kitchen’s Organic Unsweetened Ketchup page, for example, lists tomato concentrate and a balsamic vinegar containing grape must. That ingredient statement identifies a formulation; it does not itself provide the complete carbohydrate calculation.

Use the current nutrient panel for the serving you will eat. A product can contain naturally occurring carbohydrate even if a particular added sweetener is absent. Conversely, the mere presence of a sweetener name does not tell you its quantity. Avoid judging the whole product from one isolated word.

Source: Primal Kitchen Organic Unsweetened Ketchup ingredients. Checked 2026-09-05.

Use the serving weight on the bottle

A tablespoon measures volume, while grams measure weight. Different sauces can have different weights for the same volume. If both bottles give a gram serving, compare equal gram amounts or use each bottle’s own tablespoon weight. Do not assign one sauce’s conversion to the other.

For an illustrative sauce with 4 g carbohydrate per 20 g, using 10 g gives a label-based estimate of 2 g carbohydrate. Another sauce labeled per 15 g first needs to be scaled to your chosen amount. Keep qualifiers and rounding visible rather than presenting the result as more precise than its inputs.

Count the sauce that reaches the plate

For a sauce added entirely to a shared dish, calculate the whole amount and divide it across the actual portions. A dipping bowl with leftovers is less certain: the amount poured into the bowl is not necessarily the amount consumed. Record the uncertainty instead of inventing a precise intake.

Marinades create a similar difficulty because some can be discarded. A recipe’s calculated nutrition should explain how it treats retained sauce. The portion calculator cannot infer how much stayed on the food, how much was left in the pan or how evenly it was distributed.

Make the final check at purchase

Match the full flavor and product name, not just the brand. Primal Kitchen publishes separate pages for its ordinary unsweetened ketchup and its squeeze version, with different ingredient wording. That is a reminder to check the bottle you are buying even when two products appear closely related.

Compare the current package size and local alternatives after you have identified a useful product. A large multipack is not automatically the better purchase for a sauce you rarely use. Follow the package’s storage instructions, and revisit your saved product if its formulation changes.

Source: Primal Kitchen Organic Unsweetened Squeeze Ketchup. Checked 2026-09-05.

1. Identify the exact variant.
2. Read total carbohydrate, fiber and the serving amount.
3. Choose equal amounts or explain different intended portions.
4. Account for additions and leftovers.
5. Check the current bottle before buying again.

Make the next choice

• Compare sauce reference nutrition →
• Save foods for your next shop →

This is a research-based guide. Examples labeled illustrative explain arithmetic rather than a particular product. Send a correction with the source and serving amount if a label or detail has changed.