FDA Status
Approved
Thickener · EU 337
Potassium Sodium Tartrate
FDA status: Approved. EU: Approved. No U.S. state has enacted a specific ban yet.
4.0 / 5
Composite safety Low Risk
Score 4 of 5
Potassium Sodium Tartrate: 4/5 (Low Risk)
According to the U.S. Food and Drug Administration, Potassium Sodium Tartrate is FDA-approved, and no U.S. state has moved to restrict it independently of federal policy. Its composite safety score is 4 out of 5 (Low Risk), and the European Union separately classifies it as approved.
The verdict
Potassium Sodium Tartrate is FDA-approved, and no U.S. state has moved to restrict it.
- 4/5
- Low Risk
- Approved
- FDA status
- Approved
- EU status
- 0
- state regulations
Potassium Sodium Tartrate (337) is a thickener additive holding a composite safety score of 4 out of 5 (Low Risk). According to the U.S. Food and Drug Administration's Substances Added to Food inventory, it is currently classified as Approved, while the European Union lists it as Approved. It is most commonly used as Sauces, soups, dairy products, baked goods.
No U.S. state has enacted specific legislation targeting Potassium Sodium Tartrate to date, keeping federal FDA classification as the operative standard. State-level food safety legislation remains active nationally, and that picture may shift as new bills advance.
Peer-reviewed research has flagged 1 distinct area of health concern for Potassium Sodium Tartrate, which factors directly into the assigned safety score. All figures above draw on FDA SAFFA inventory records, EU food additive regulation (EC) No 1333/2008, EFSA scientific opinions where published, and legislative records from individual U.S. states.
Regulatory Snapshot
| Property | Value | Source |
|---|---|---|
| FDA Status | Approved | FDA SAFFA |
| EU Status | Approved | EC 1333/2008 |
| E-Number | 337 | EU additive register |
| CAS Number | - | CAS Registry |
| Category | Thickener | FDA functional class |
| Composite Safety Score | 4 / 5 (Low Risk) | PlainIngredients methodology |
| EFSA ADI | Not established | EFSA scientific opinion |
| U.S. State Actions | 0 states | State legislative records |
| Tracked Products | Not yet tracked | Open Food Facts (US) |
Values reflect official agency classifications as published by the U.S. Food and Drug Administration and the European Union's regulatory framework. See our methodology for scoring details.
EU Status
Approved
337
U.S. State Regulations
0 states
None enacted
Safety Assessment
Potassium Sodium Tartrate's 4/5 (Low Risk) score reflects where this specific ingredient lands on that scale. The FDA has approved Potassium Sodium Tartrate for use in food products under specified conditions.
Research has identified 1 area of health concern associated with Potassium Sodium Tartrate. Consumers with specific health conditions should consult a healthcare provider before consuming products containing this ingredient.
How Potassium Sodium Tartrate compares
Where a safety score of 4/5 falls among all 4,509 scored ingredients tracked on PlainIngredients.
Ingredients by safety score (Potassium Sodium Tartrate highlighted)
4,369 of 4,509 scored ingredients (96.9%) share a safety score of 4/5.
What is Potassium Sodium Tartrate?
Potassium Sodium Tartrate is a food additive (337) classified as thickener.
Health Concerns
- Flagged by ANSES (French food safety agency) as additive of interest
Common Uses
Sauces, soups, dairy products, baked goods
Frequently Asked Questions
Is Potassium Sodium Tartrate safe to consume?
Potassium Sodium Tartrate has a safety score of 4/5 (Low Risk). It is approved by the FDA for use in food. As with all food additives, moderation is advisable.
What is Potassium Sodium Tartrate used for in food?
Potassium Sodium Tartrate is commonly used as: Sauces, soups, dairy products, baked goods. It belongs to the Thickener category of food additives.
Is Potassium Sodium Tartrate banned in any US states?
Currently, no US states have enacted specific bans or regulations targeting Potassium Sodium Tartrate. However, state food safety legislation is evolving rapidly.
What is the difference between FDA and EU regulation of Potassium Sodium Tartrate?
The FDA classifies Potassium Sodium Tartrate as "Approved", while the EU status is "Approved" (337). The FDA and EU use separate evaluation frameworks, the EU often applies the precautionary principle, sometimes banning additives that remain approved in the US. Always check both jurisdictions when evaluating food additive safety.
What health concerns are associated with Potassium Sodium Tartrate?
Research has identified the following health concerns for Potassium Sodium Tartrate: Flagged by ANSES (French food safety agency) as additive of interest. These findings inform its safety score of 4/5. Consult a healthcare provider for personalized guidance, especially if you have pre-existing conditions.
How is the safety score for Potassium Sodium Tartrate calculated?
The safety score of 4/5 for Potassium Sodium Tartrate is a composite assessment based on FDA regulatory status, EU approval status, published scientific research on health effects, and state-level legislative actions. A score of 1 means "Banned / Avoid" and 5 means "Generally Safe." The score is updated as new regulatory actions or scientific evidence emerge.
Data Sources
- FDA Substances Added to Food (SAFFA) Inventory
- EU Food Additive Regulations (EC) No 1333/2008
- State food safety legislation and bill records
What to do about Potassium Sodium Tartrate
Use the regulatory picture, not a single score, to decide.
- Check the FDA status (Approved) and EU status (Approved) before assuming it is risk-free. How we score
- Compare it against the most-restricted additives in the U.S. supply. View rankings
- Scan a whole ingredient label at once to flag the concerning entries. Label checker
Safety scores summarise regulatory status and published concerns; they are not medical or dietary advice.
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.