Pea protein

No E-numberEmulsifiersOrigin: Plant

Get a personal answer

Pick your family’s diets in the bar above.

Every diet

VeganYes

Gluten-freeYes

HalalYes

KosherYes

KetoYes

The isolate is mostly protein.

Low-FODMAPDepends

Isolates have less of the pea's GOS than whole peas. A large shake can still bother a sensitive gut.

The short answer

Pea protein is yellow-pea protein, usually sold as an isolate. It is vegan, gluten-free and a normal food. The shake can still cause gas if the serving is large.

88/100

Generally safe

Fine for most people at normal amounts.

E-numberNone

Comes fromPlant

What it doesEmulsifiers

Glycemic index—

Daily limitNot set

Also calledPea protein, Pea protein isolate

Rules by country

🇺🇸 US FDANot evaluated as an additive

🇪🇺 European UnionNot evaluated as an additive

🇨🇦 Health CanadaNot evaluated as an additive

CaliforniaNo extra rules

Pea protein is a food, not an E-number. It is vegan and gluten-free. It is lower in methionine than an animal protein, which matters only if it is the only protein someone eats. A pea allergy exists and is uncommon next to soy or peanut.

Daily limit: Experts haven’t set a number because normal food amounts are far below any level of concern.

What is it?

The powder is beige and tastes faintly of peas and sometimes bitter. Bars and milks use it because it mixes and because it is not soy.

Where it comes from: Pea protein is the protein of yellow peas, Pisum sativum, milled and separated from most of the starch. An isolate is the more concentrated powder. The starch that leaves this stream is a different ingredient.

Why it’s in food

Proteins a vegan shake
Emulsifies a pea milk
Builds a meat alternative
Raises the protein line on a bar

Often found in

Protein shakesPea milkVeggie burgersBarsPasta made from pea proteinCereal

Also listed as: Pea protein, Pea protein isolate, Yellow pea protein, Pisum sativum protein

Health & gut impact

A real food proteinBenefit

Pea protein is peas with most of the starch removed. Regulators treat it as food.

Food use of pea protein isolate

Amino acidsUnder study

Peas are lower in methionine than milk or egg. Mixed into a varied diet, that gap does not make the powder unsafe.

Amino-acid pattern of pea protein

What can I use instead?

Soy protein isolate

Ratio: Match the protein grams

Best for: A shake when soy is acceptable

Whey

Ratio: Only if dairy is acceptable

Best for: A milder-tasting shake

More emulsifiers:

Acetylated monoglycerides E472aAcetylated monoglycerides (E472a) are fat-based emulsifiers that help bread hold air and keep whipped toppings stable. They are common in bakery and generally considered safe; check the source fat if you avoid animal ingredients.Use in moderation Ammonium phosphatides E442Ammonium phosphatides (E442) are a chocolate emulsifier made from vegetable oil. They are an alternative to soy lecithin when a recipe needs chocolate to flow, and they are considered safe.Generally safe Brominated vegetable oil (BVO)Brominated vegetable oil (BVO) kept the citrus flavor from floating to the top of some sodas. The FDA banned it in 2024 because of thyroid effects, so check older or imported citrus drinks.Best to avoid Calcium stearoyl lactylate E482Calcium stearoyl lactylate (E482) is a dough strengthener that helps bread rise and stay soft. Its fat source varies, so vegans and people following halal or kosher rules should check the label.Use in moderation

Common questions

Is pea protein vegan?

Yes.

Is pea protein a complete protein?

It is low in methionine. In a diet that also contains grains, that is not a safety problem.

Is Pea protein safe?

Generally safe (88/100). Pea protein is a food, not an E-number. It is vegan and gluten-free. It is lower in methionine than an animal protein, which matters only if it is the only protein someone eats. A pea allergy exists and is uncommon next to soy or peanut.

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Scientific sources & regulatory citations

Food use of pea protein isolate
Amino-acid pattern of pea protein