Comparing E470B - Magnesium salts of fatty acids vs E572 - Magnesium stearate

Overview

E470B - Magnesium salts of fatty acids

Magnesium salts of fatty acids (E470B) are common processing aids used in very small amounts. They help powders flow, keep mixes from clumping, and act as mild emulsifiers and release agents. You’ll often see the name magnesium stearate, which is one specific magnesium salt of a fatty acid.

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E572 - Magnesium stearate

Magnesium stearate (E572) is a white, waxy powder used in tiny amounts to keep foods and supplements free-flowing and to stop tablets from sticking to equipment. It is the magnesium salt of common food fatty acids and is widely approved by regulators in both the U.S. and the EU for use at good manufacturing practice levels. It does not add taste or color and has no meaningful nutritional effect.

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Synonyms
E470b
Magnesium salts of fatty acids
E572
Magnesium stearate
Functions
anticaking agentemulsifierstabilizer
anticaking agentemulsifier
Origins
Plant
Animal
Synthetic
Plant
Animal
Products

Found in 19 products

Found in 1,447 products

Search rank & volume
#48840 / mo🇺🇸U.S.
#8923K / mo🇺🇸U.S.
Awareness score

×0.45
under-aware

×2.32
over-aware

Search volume over time

Search history data is not available.

Interest over time for 2 keywords in U.S. during the last 10 years.

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Popular questions

Popular questions data is not available.

  1. Is magnesium stearate safe?

    Yes—magnesium stearate (E572) is considered safe at permitted levels by major regulators (e.g., FDA GRAS; EFSA/JECFA no safety concern at typical uses).

  2. Is magnesium stearate bad for your liver?

    There’s no evidence it harms the liver at normal food or supplement levels; stearate is metabolized like other dietary fats and the magnesium contribution is minimal.

  3. What is magnesium stearate used for?

    It’s used as a lubricant/flow agent in tablets and capsules and as an anti-caking or release agent in foods to help powders flow and prevent sticking.

  4. Is magnesium stearate bad for you?

    No—at normal use levels it isn’t associated with harm; very high intakes may cause mild digestive upset in some people.

  5. What is vegetable magnesium stearate?

    It’s the same compound made from plant-derived stearic acid (e.g., palm or other vegetable oils) rather than animal fat, labeled for vegetarian or dietary preference reasons.

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