Last reviewed May 2026 · 1 min read
Is Magnesium Stearate vegan?
Also known as: Magnesium salt of fatty acids, E470b
E-number: E470b
Check the Label
Source can be plant or animal.
See all check label ingredients →
It depends — It is produced from stearic acid.
01 · The basics
What is Magnesium Stearate?
A magnesium salt of stearic acid used primarily as a lubricant in the production of tablets and capsules.
02 · The source
Where it comes from
It is produced from stearic acid. While most modern industrial stearic acid is vegetable-derived (from palm or soy), it can still be sourced from animal fats (tallow).
03 · Alternatives
Best vegan alternatives
Vegetable magnesium stearate
Check Price on AmazonAffiliate links — VegOmm may earn a commission from qualifying purchases.
Frequently asked
FAQ
Is the magnesium stearate in my vitamins vegan?
You must check for the words 'vegetable source' or a vegan logo. If not specified, the lubricant could be animal-derived.
Why is it used in pills?
It prevents the ingredients from sticking to the manufacturing machinery during the pressing of tablets.
Commonly found in
More in this category
Other emulsifier ingredients
E422 (Glycerol / Glycerin)
A sweet, syrupy liquid used as a humectant in foods and cosmetics.
E471 (Mono- and diglycerides)
A common emulsifier used in baked goods, ice cream, and margarine.
E481 (Sodium Stearoyl Lactylate)
An emulsifier used to improve the texture of baked goods.
Keep exploring
Related ingredients
E422 (Glycerol / Glycerin)
A sweet, syrupy liquid used as a humectant in foods and cosmetics.
E920 (L-Cysteine)
A dough conditioner used in commercial bread baking.
Calcium Carbonate
A common mineral used as a white food coloring, an anti-caking agent, and a calcium supplement.
What's next