Is E572 / E573 (Magnesium and aluminium stearates) Halal?

It depends on what the label says.

Halal if verified

High confidence About this ruling

About this ruling

Condition
Source disclosure is incomplete
Evidence confidence
High means this page cites a primary regulator listing and a named Halal certifier listing, retrieved 15 August 2026. That describes the quality of the sources on this page—not a Halal certificate for the pack or outlet in your hand.
How we score High, Medium, and Low

Magnesium stearate (E572, INS 572) and aluminium stearate (E573) are metal salts of stearic acid.

Evidence at a glance

Named sources used for this page. Open the full Sources block for notes and citation numbers.

Source Type Retrieved
Regulation (EC) No 1333/2008 on food additives European Union Regulatory / labelling
U.S. FDA — Food additives U.S. Food and Drug Administration Regulatory / labelling
European Commission — Food additives European Commission Regulatory / labelling
Codex GSFA online FAO / WHO Codex Regulatory / labelling
SANHA — Mashbooh E-numbers SANHA Certifier / jurisdiction

Full Sources

Additive identity

E-number
E572, E573
Codex INS
INS 572, INS 573
Function
emulsifier
Family
fatty acid salts
EU Union list
not authorised
Names
Magnesium stearate; Aluminium stearate; Aluminum stearate; Vegetable stearate

Possible source pathways

The finished molecule can be identical across feedstocks. The Halal ruling follows the pathway, not the code alone.

  • plant · Typical Halal Fatty acids from palm, soy, sunflower, or other vegetable oils.
  • animal Halal if verified The same esters can be split from tallow or lard. Pork or non-zabiha fat is haram.
  • undisclosed · Typical Halal if verified Most labels print only the E-number or US name. Treat as mashbooh until a plant, vegan, or Halal claim settles the fat.

E-number database Compare this family

Supplement powder of the type that often lists magnesium stearate

Why this ruling

Magnesium stearate is the flow agent in a huge share of tablets. Codex numbers it INS 572; older EU paperwork used E572. E573 is aluminium stearate. Neither metal is the Halal issue. Stearic acid may be palm or tallow.[4][2]

It is not on the current EU Union list.[1] US labels still print the name constantly. Unspecified magnesium stearate is mashbooh.[5] 'Vegetable stearate' or a Halal mark closes it. Still check whether the capsule is gelatin.

Where you'll find it

  • Tablet and capsule flow agent
  • Confectionery anti-caking (legacy / non-EU)

How to verify

1) Match magnesium stearate, vegetable stearate, E572, INS 572, or aluminium/aluminum stearate (E573). 2) 'Vegetable stearate' or Halal-certified capsules settle it. 3) Related food salts are E470a/b; free acids are E570.

  • E572 = magnesium stearate.
  • Stearic acid source decides.
  • Not a current EU food-additive code; still used on US labels.

Conditions for Halal

  • Vegetable stearate or Halal-certified tablet → Halal
  • Pork or non-zabiha tallow stearate → haram
  • Unspecified magnesium stearate / E572 → Halal if verified
  • Capsule shells (gelatin vs HPMC) are a separate check

Scholarly differences

Magnesium stearate is one of the most searched Halal supplement ingredients. The metal is not the issue; stearic acid is. Do not invent a fatwa that all magnesium stearate is haram, or that all of it is palm.

Frequently asked questions

Is magnesium stearate Halal?
It is Halal when the stearic acid is vegetable (or audited Halal animal fat). Bare magnesium stearate on a US supplement is Halal if verified.
Is E572 legal in the EU?
It is not on the current Union list of food additives. You will still see the name on US supplements and in Codex INS. This page exists because shoppers search it.

Sources

Named Islamic, certifier, manufacturer, and regulatory sources used on this page. Inline markers like [1] jump here. Retrieval dates show when we last checked the live URL. Editorial methodology.

Certifier / jurisdiction

  1. SANHA — Mashbooh E-numbers

    SANHA

    Certifier: SANHA

    Source-dependent additives listed mashbooh pending origin.

    Retrieved:

Regulatory / labelling

  1. Regulation (EC) No 1333/2008 on food additives

    European Union

    Union-list identity—not a Halal certificate.

    Retrieved:

  2. U.S. FDA — Food additives

    U.S. Food and Drug Administration

    US identity / labelling context—not a Halal ruling.

    Retrieved:

  3. European Commission — Food additives

    European Commission

    EU additive literacy hub.

    Retrieved:

  4. Codex GSFA online

    FAO / WHO Codex

    Codex INS / GSFA identity.

    Retrieved:

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Applies to
General ruling; confirm local labels, slaughter, and certification when relevant
Last reviewed