E470 is source-dependent, rather than automatically halal or haram. E470a covers sodium, potassium and calcium salts of fatty acids; E470b covers magnesium salts. The fatty-acid feedstock can require verification. Documented vegetable origin can resolve the animal-source question, while pork-derived material is unsuitable. A generic code or the words “magnesium stearate” alone do not provide a supplier certificate. [1] [6]
Which E470 are you looking at?
SANHA lists sodium, potassium and calcium salts of fatty acids as Mushbooh and advises checking the fatty-acid source. That directly supports investigating the feedstock, not assuming pork. Its listed salts correspond to the E470a family; magnesium salts and stearates still need their own source evidence. [6]
The EU names E470a and E470b separately. E470a identifies salts made with sodium, potassium or calcium; E470b identifies magnesium salts. Stearate is a name for a salt of stearic acid. On an ingredient panel, “magnesium stearate” gives a more specific chemical name, but it still may not identify the original fat source. [1]
The word magnesium often reassures shoppers because magnesium is a mineral. It answers only part of this compound’s identity. Asking “where did the fatty acid come from?” is the useful source check. EFSA’s assessment describes the edible fatty-acid materials used for these salts; the assessment itself is not halal certification. [2]
| Wording or evidence | What it tells you | Remaining question |
|---|---|---|
| E470a / salts of fatty acids | The additive family and its mineral salts | The fatty-acid feedstock |
| E470b / magnesium salts of fatty acids | The magnesium-salt family | The feedstock and complete preparation |
| Magnesium stearate | A stearate salt is named | Vegetable, animal or another documented route |
| Vegetable-derived, matched to the exact product | Direct animal fat has been excluded by that statement | Other ingredients and any certification requirements |
| Current product-level halal certificate | Assurance within the certifier’s scope | Whether your pack is the same covered product |
Altoids Arctic shows the practical issue
The official US Altoids Arctic Peppermint 1.2 oz page lists magnesium stearate. It does not identify its feedstock in that declaration. It also lists sorbitol and flavours, and does not declare gelatin. Those are separate findings: the lack of gelatin does not supply the missing stearate source. [3]
The recipe therefore illustrates the difference between a gelatin-free declaration and full halal assurance. It is not evidence that Altoids uses pork-derived stearate. It is evidence that the public list does not answer the fatty-acid question. The Altoids article compares this mint with the Classic recipes.
| Variant | Relevant declaration | What to ask |
|---|---|---|
| Altoids Arctic Peppermint, 1.2 oz | Magnesium stearate; no gelatin declared | The fatty-acid source of the stearate |
| Altoids Classic Peppermint, 1.76 oz | Gelatin; separate record in the Altoids guide | The gelatin species and assurance |
We reviewed public ingredient records and the cited technical sources on 14 October 2026. We did not handle a retail pack or run a private barcode/app scan. Match the named product and market to your own label before applying this example.
Why E470 is not E471
E470 identifies salts of fatty acids. E471 identifies mono- and diglycerides. Both can raise a feedstock question, but they are different additives. A manufacturer statement about the E471 in a biscuit does not necessarily establish the source of E470b in a mint.
Use the E471 page for mono- and diglycerides and keep this page for fatty-acid salts. The broader reference table helps translate other codes. Code similarity is a reason to read carefully, not a reason to copy one answer across the whole number range.
How much does a vegetarian statement resolve?
A clear statement that the material is vegetable-derived addresses direct animal fat. A credible vegan claim for the exact finished product can also be useful evidence for that question. An unrelated vegan product from the same brand does not transfer the claim to your packet.
Vegetarian or vegan assurance has its own scope. It is not automatically an audit under every halal standard, particularly where flavour carriers and production controls are relevant. If you require that level of assurance, ask for the current halal certificate rather than trying to infer it from the green design of the pack.
Questions a supplier can actually answer
Ask: “For this product and barcode, is the fatty-acid material in E470 or magnesium stearate vegetable-derived, animal-derived or synthetic? If animal-derived, what species and halal assurance apply? Is the complete preparation or finished food covered by a current certificate?” Include the market and lot when you have them.
A reply about a company’s usual practice is weaker than a statement matching the ingredient, supplier grade and formulation. Raw-material suppliers can change without the consumer name changing. Keep a dated reply with your pack photograph rather than turning it into a permanent worldwide brand rule.
IFANCA’s shopper reference identifies stearic acid and magnesium stearate among ingredients that can need investigation. That supports a source question, not a claim that every stearate contains forbidden animal fat. [4]
A measured shopping result
- Find the full E470 suffix or written ingredient name.
- Check for an explicit source statement or recognised certification.
- Match the evidence to your product and market.
- Read the other ingredients before making a product decision.
- If the source remains unavailable, describe it as unresolved.
A scan can point out the term you should ask about. It cannot identify an undisclosed feedstock from the shape of a tablet. This is a good use of the Mushbooh category: it tells you which fact is missing without inventing a prohibited source.
The same approach applies to a supplement ingredient list, where the capsule, coating and active ingredients can each have different sources. Resolve them one at a time.
Frequently asked questions
Is E470 always made from animals?
No. The fatty-acid source can differ. The label needs a source statement or suitable certification to distinguish the material used in your product.
Is E470b the same as magnesium stearate?
E470b is the family of magnesium salts of fatty acids. Magnesium stearate names one specific salt in that source discussion.
Does magnesium prove that the ingredient is halal?
No. The magnesium part does not identify the fatty-acid feedstock or certify the preparation.
Can a vegan statement help?
A reliable statement for the exact product can resolve direct animal-derived material. It does not automatically replace a halal production audit.
Should an unknown E470 source be called haram?
No. Missing source evidence should be described as unresolved or Mushbooh. A confirmed prohibited source is a different finding.
Sources and verification
This page uses current manufacturer information, regulator or certifier guidance, and primary references where available. Sources last checked 14 October 2026. Recipes, suppliers and certification can change, so confirm the exact pack sold in your country.
- Food Standards Agency — approved additives and E numbers — official additive names; regulatory approval is separate from halal certification
- EFSA — E470a and E470b fatty-acid salts — identity and manufacturing-source discussion
- Altoids — US Arctic Peppermint Sugarfree 1.2 oz — ingredient declaration includes magnesium stearate without naming the feedstock
- IFANCA — Halal Shopper’s Quick Reference Guide — stearic acid and magnesium stearate listed as source-check examples
- IFANCA — Halal Consumer, Spring 2025 — certifier discussion of ingredient sources, production controls and product versus site certification
- SANHA — sodium, potassium and calcium salts of fatty acids — ingredient listing: Mushbooh; fatty-acid source verification