TWST Nutri-Score E NOVA 4

Sierra mist soda

Sierra mist soda: 3.7/5 ingredient safety

Sierra mist soda by TWST has 3 tracked ingredients, with an overall safety score of 3.7 out of 5, 0.42 points below the 4.12/5 average across all scored products. Its Nutri-Score is E, and 1 of its ingredient carries a low safety rating.

  • Safety score 0.42 points below the 4.12/5 average across all scored products
  • NOVA processing classification: group 4

Beverages / Carbonated drinks / Sodas

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 Sierra mist soda, 3 of its 3 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 Sierra mist soda sits nationally

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

3.7 Top 87% higher than 13% 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

3.7
Low Risk
Average ingredient safety: 3.7 out of 5
Based on 3 tracked ingredients
3
Tracked Ingredients
1
Concerning
2
Low Risk / Safe
E
Nutri-Score
1 ingredient flagged for safety concerns

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

Carbonated water, sugar, natural flavor, citric acid, potassium benzoate (preserves freshness), potassium citrate, calcium disodium edta (to protect flavor).

Compare beyond brand

Nationwide peers by additive safety & ingredient depth

Two PlainIngredients-derived comparison paths for Sierra mist soda: 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
TWST
Barcode
0012000150050
Nutri-Score
Grade E
NOVA Group
4 — Ultra-processed foods
Available In
United Kingdom,United States

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Frequently asked questions

Is Sierra mist soda above or below average on ingredient safety?

Among the 58,710 PlainIngredients products with a scored ingredient list, Sierra mist soda's 3.7/5 average puts it in the lower 87%, 0.42 points below the 4.12/5 average across all scored products.

What does a 3.7/5 ingredient safety score mean?

Each ingredient gets a 1-5 score (1 highest risk, 5 safest) built from FDA and EU regulatory status; Sierra mist soda's 3.7/5 is the average across every mapped ingredient it lists, landing it 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.