Lewis Nutri-Score A NOVA 4

Sourdough Keto

Sourdough Keto: 4.3/5 ingredient safety

Sourdough Keto by Lewis has 6 tracked ingredients, with an overall safety score of 4.3 out of 5, 0.18 points above the 4.12/5 average across all scored products. Its Nutri-Score is A.

  • Safety score 0.18 points above the 4.12/5 average across all scored products
  • NOVA processing classification: group 4

Plant-based foods and beverages / Plant-based foods / Cereals and potatoes / Cereals and their products / Breads

How This Score Is Built

This 1-5 scale is an editorially-derived index, not an official government rating -- it synthesizes FDA status, EU regulatory status, US state actions, and published research. For Sourdough Keto, 6 of its 6 tracked ingredients carry a scored rating so far, current as of 2026-09-07.

Data draws on Open Food Facts, FDA, and EU regulatory records -- cross-check with the FDA → directly, or read how we score it.

Where Sourdough Keto sits nationally

Average ingredient safety score vs. 58,710 other scored products in PlainIngredients

4.3 Top 38% higher than 62% of 58,710 scored products

Average ingredient safety score (1 = highest risk, 5 = safest), bucketed by value

Each bar is a band; taller bars hold more scored products. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source PlainIngredients ingredient safety index · 2026-09-07

4.3
Low Risk
Average ingredient safety: 4.3 out of 5
Based on 6 tracked ingredients
6
Tracked Ingredients
0
Concerning
6
Low Risk / Safe
A
Nutri-Score

Ingredient Safety Breakdown

Processing Level

4
NOVA Group 4
Ultra-processed foods

Ultra-processed products are formulations made mostly or entirely from substances derived from foods and additives. They typically contain ingredients not commonly used in home cooking.

Full Ingredients List

Water, resistant wheat starch, wheat protein, yeast, allulose, avocado oil, chicory root fiber, salt, calcium propionate, sorbic acid, corn starch, lactic acid, acetic acid, steviol glycoside (REB M), enzymes, vegetable monoglycerides, fumaric acid, guar gum.

Compare beyond brand

Nationwide peers by additive safety & ingredient depth

Two PlainIngredients-derived comparison paths for Sourdough Keto: nearest mean mapped additive safety score and nearest mapped ingredient count among indexable products with at least 3 scored additives, excluding same-brand siblings. Scores describe regulatory and research signals on additives, not dietary advice.

Product Details

Brand
Lewis
Barcode
0024126018848
Nutri-Score
Grade A
NOVA Group
4 — Ultra-processed foods
Available In
United States

Find Products

Frequently asked questions

Where does Sourdough Keto rank on ingredient safety?

Among the 58,710 PlainIngredients products with a scored ingredient list, Sourdough Keto's 4.3/5 average puts it in the safer 62%, 0.18 points above the 4.12/5 average across all scored products.

What does a 4.3/5 ingredient safety score mean?

PlainIngredients scores each ingredient 1 (highest risk) to 5 (safest) from FDA and EU regulatory status, then averages the scores of every ingredient this product lists that we could map. A 4.3/5 average places Sourdough Keto in the Low Risk tier.

Every figure on PlainIngredients is rendered directly from FDA, EU, EFSA and U.S. state regulatory records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.