Live Active Cultures: S. Thermophilus

Live Active Cultures: S. Thermophilus carries a safety score of 3/5 and appears in 87 indexed US food products.

Reviewed byPlainFoodSafe Editorial, Food Product Safety Editorial Team · June 6, 2026

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Safety score 60.0%

3/5 from FDA SAFFA + CSPI Chemical Cuisine

How common is vs other flagged additives?

Number of indexed products containing each of the most common flagged additives — Live Active Cultures: S. Thermophilus highlighted.

Indexed products containing each flagged additive. Source: Open Food Facts ingredient lists × FDA SAFFA × CSPI Chemical Cuisine.

Safety Score

3/5

Safety Assessment

Live Active Cultures: S. Thermophilus has a moderate safety profile (3/5). While approved for use, some studies or consumer advocacy groups have raised questions about certain aspects of this ingredient. Consumers who prefer caution may wish to limit intake.

What the Data Says About

Live Active Cultures: S. Thermophilus currently appears in 87 products across the OpenFoodFacts catalog we index, which gives a concrete measure of its footprint on US grocery shelves. Our internal safety score of 3/5 synthesizes FDA Substances Added to Food (SAFFA) regulatory status with the Center for Science in the Public Interest (CSPI) Chemical Cuisine classification. These two frameworks capture different questions: regulators ask whether exposure at typical intake is acceptable, while consumer-advocacy groups examine cumulative dietary load and vulnerable-population risk.

Live Active Cultures: S. Thermophilus serves one or more technical functions in food manufacturing — stabilization, flavor, preservation, or structural role — which explains its presence across multiple product categories in our database. Inspection and outbreak records frequently trace back to control failures around functional additives, whether through batch contamination, undisclosed substitutions, or labeling mismatches that trigger recall classifications by the FDA.

No specific concern flags are attached to Live Active Cultures: S. Thermophilus in our current data snapshot beyond the regulatory and CSPI classifications above. That does not rule out individual sensitivity reactions, and anyone managing allergies, elimination diets, or chronic conditions should verify with a qualified healthcare professional before relying on population-level ratings.

Safety Profile at a Glance

Regulatory and safety classifications for Live Active Cultures: S. Thermophilus
Source	Classification	Year
FDA SAFFA	Not listed	2024
CSPI Chemical Cuisine	Not rated	2024
PlainFoodSafe Score	3/5	2026
Product footprint	87 products	OpenFoodFacts

FDA SAFFA database, CSPI Chemical Cuisine ratings, OpenFoodFacts product index. See methodology.

Avoid (0) Score: 3/5 Safe (5)

Products Containing

Showing 50 of 87 products

100% bufala milk yogurt

2% milkfat greek griego lowfat yogurt

A2 Organic Whole Milk Yogurt

Bellowther Farms

Ahold, greek nonfat yogurt, black cherry

Artisan almond milk yogurt

Artisan almond milk yogurt

Artisan almond milk yogurt

Artisan almond milk yogurt

Artisan almond milk yogurt

Artisan almond milk yogurt

Artisan almond milk yogurt

Farmer’s Fridge

Baja-Inspired Chicken Wrap

Farmer's Fridge

Bellwether Farms, Sheep Milk Yogurt, Blueberry

Bellwether Farms Llc

Blueberry flax seeds greek nonfat yogurt

Brown cow, cream top yogurt, pomegranate & berry

Brown cow, nonfat greek yogurt with fruit on the bottom, peach

Brown Cow, Brown Cow West Corp.

Cream Top Apricot Mango Yogurt

Cream Top Raspberry Yogurt

Cream Top Strawberry Yogurt

Creme caramel frozen low fat yogurt

Stonyfield Organic

Fruit On The Bottom Nonfat Greek Yogurt

Greek 0% fat non fat yogurt

Greek lowfat yogurt

Greek Lowfat Yogurt

Greek lowfat yogurt

Greek Lowfat Yogurt

Greek Non Fat Yogurt

Greek nonfat yogurt

Greek nonfat yogurt & chia seeds

Stonyfield Organic

Greek Nonfat Yogurt, Honey On The Bottom

Stonyfield Organic, Stonyfield Farm Inc.

Greek plain whole milk yogurt

Greek yogurt smoothie

Lala, Borden Dairy Company

Greek-style artisan almond milk yogurt

Greek-style artisan almond milk yogurt

Key Lime Almond Milk Yogurt

Kite Hill, Artisan Almond Milk Yogurt, Peach

Kite Hill,Lyrical Foods Inc

Low fat yogurt plain

Lowfat drinkable greek yogurt smoothie

Borden Dairy Company

Lowfat drinkable greek yogurt smoothie

Minty chocolate chip frozen low fat yogurt

Stonyfield Organic

Nonfat greek yogurt

Stonyfield Organic

Nonfat Yogurt, Vanilla

Noosa Blueberry Yogurt

Organic Chocolate Underground Nonfat Yogurt

Stonyfield Organic, Stonyfield

Organic Greek Plain Nonfat Yogurt

Stonyfield Organic, Stonyfield

All Ingredients

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Safety Rankings

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Frequently Asked Questions

Is Live Active Cultures: S. Thermophilus safe to eat? ▼

Live Active Cultures: S. Thermophilus has a safety score of 3/5. Always check with a healthcare provider if you have specific dietary concerns.

What products contain Live Active Cultures: S. Thermophilus? ▼

Live Active Cultures: S. Thermophilus is found in 87 products in our database, spanning various food categories and brands.

What does Live Active Cultures: S. Thermophilus do in food? ▼

Live Active Cultures: S. Thermophilus serves various technical functions in food manufacturing and processing.

Where does this ingredient safety data come from? ▼

Safety data comes from the FDA's SAFFA (Substances Added to Food) database, CSPI (Center for Science in the Public Interest) ratings, and the OpenFoodFacts product database. Product counts reflect items cataloged in OpenFoodFacts.

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State Ingredient Bans

State-level food additive regulations

Sources & how to verify

Substances Added to Food — federal regulatory status for Live Active Cultures: S. Thermophilus.

CSPI Chemical Cuisine

Center for Science in the Public Interest additive safety ratings.

State regulations

Enacted and pending state-level additive bans.

Our methodology

How the safety score is sourced, computed, and verified.

Regulatory status from FDA SAFFA; safety ratings from CSPI Chemical Cuisine; product presence from Open Food Facts. See our methodology. Retrieved and formatted by PlainFoodSafe Editorial.