Flavor Enhancer · CAS 4691-65-0 · EU E631

Disodium Inosinate

FDA status: GRAS. EU: Approved. No U.S. state has enacted a specific ban yet.

Low Risk
Score 4 of 5
Disodium Inosinate: 4/5 (Low Risk)

According to the U.S. Food and Drug Administration, Disodium Inosinate is classified GRAS by the FDA, 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. It is a top-10% most widely-used additive.

  • 93th percentile by tracked product prevalence

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The verdict

Disodium Inosinate is classified GRAS by the FDA, and no U.S. state has moved to restrict it. It is a top-10% most widely-used additive (93th percentile by tracked product count).

4/5
Low Risk
GRAS
FDA status
93th pctile
by product prevalence
0
state regulations

Disodium Inosinate (E631), CAS 4691-65-0, is a flavor enhancer 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 GRAS, while the European Union lists it as Approved. This ingredient appears in approximately 1,685 tracked food products across our database. It is most commonly used as Chips, instant noodles, sauces.

No U.S. state has enacted specific legislation targeting Disodium Inosinate 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 Disodium Inosinate, 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 GRAS FDA SAFFA
EU Status Approved EC 1333/2008
E-Number E631 EU additive register
CAS Number 4691-65-0 CAS Registry
Category Flavor Enhancer 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 1,685 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.

FDA Status

GRAS

EU Status

Approved

E631

U.S. State Regulations

0 states

None enacted

Safety Assessment

Disodium Inosinate's 4/5 (Low Risk) score reflects where this specific ingredient lands on that scale. The FDA classifies Disodium Inosinate as "Generally Recognized As Safe" (GRAS), meaning qualified experts consider it safe under intended conditions of use.

Research has identified 1 area of health concern associated with Disodium Inosinate. Consumers with specific health conditions should consult a healthcare provider before consuming products containing this ingredient.

How Disodium Inosinate compares

Where a safety score of 4/5 falls among all 4,509 scored ingredients tracked on PlainIngredients.

Ingredients by safety score (Disodium Inosinate highlighted)

1/541 ingredients2/543 ingredients3/525 ingredients4/54,369 ingredients5/531 ingredients

4,369 of 4,509 scored ingredients (96.9%) share a safety score of 4/5.

What is Disodium Inosinate?

Nucleotide enhancer synergistic with MSG.

Health Concerns

  • Safe. Same gout precaution.

Common Uses

Chips, instant noodles, sauces

Frequently Asked Questions

Is Disodium Inosinate safe to consume?

Disodium Inosinate 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.

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 Disodium Inosinate

Use the regulatory picture, not a single score, to decide.

  • Check the FDA status (GRAS) 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.