Thickener · EU 553a

Synthetic Magnesium Silicate

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

Low Risk
Score 4 of 5
Synthetic Magnesium Silicate: 4/5 (Low Risk)

According to the U.S. Food and Drug Administration, Synthetic Magnesium Silicate 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.

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The verdict

Synthetic Magnesium Silicate 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

E-number regulatory snapshot

Synthetic Magnesium Silicate: no OFF product match; EU code 553a is the standout identifier.

Property Value Source
E-Number 553a EU additive register
FDA Status Approved FDA SAFFA
EU Status Approved EC 1333/2008
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.

What is Synthetic Magnesium Silicate?

Synthetic Magnesium Silicate is a food additive (553a) classified as thickener.

Common Uses

Sauces, soups, dairy products, baked goods

Catalog-profile peer axes

Nationwide catalog-profile peers for Synthetic Magnesium Silicate

Product-count (0) and safety-score (4/5) peer columns, disjoint link sets.

Score 4/5 peers (≥50 OFF products)

Nearest other additives by PlainIngredients safety score (floored at ≥50 tracked products), distinct from the count row.

8 peers

Frequently Asked Questions

Is Synthetic Magnesium Silicate safe to consume?

Synthetic Magnesium Silicate scores 4/5 (Low Risk). FDA status is Approved. No OFF product match yet; EU additive code 553a is the standout identifier on this row.