Best vegan protein powder: 10 sizes compared

The 5 products, side by side

Produit	Points forts	Limites	Prix	Prix / g d’actif	Lien
BioptimalOrganic soy protein, 3 kgOur pick	90% protein; a single ingredient; complete essential amino acid profile; organic	Grown and made in China; 1.3 g of salt per 100 g; neutral taste that you need to flavour; 3 kg to get through	59.95 EUR	22.20 EUR per kilo of protein
BioptimalOrganic pea protein, 3 kgSoy-free	80% protein; a single ingredient; organic; also available in 1.5 kg at 31.63 EUR and in 500 g at 47.38 EUR per kilo of protein	Pea grown in Canada and processed in China; low in methionine; 1.3 g of salt per 100 g	56.95 EUR	23.73 EUR per kilo of protein
DynveoOrganic plant proteins, 1 kgBlend of sources	80% protein; four European organic sources: pea, rice, pumpkin, hemp; neutral taste	More than twice the price of the 3 kg isolates; the 500 g costs 33% more per kilo of protein	44.90 EUR	56.13 EUR per kilo of protein	View the offer
greenwheyOrganic plant protein, 900 g	Organic pea, faba bean and pumpkin; around 2 g of leucine per serving; sweetened with monk fruit	Only 70% protein	49.95 EUR	79.29 EUR per kilo of protein
Nutri&CoOrganic plant protein, 500 g	Four sources: pea, rice, pumpkin, chia; no sweetener or palm oil	61% protein; 9.3 g of sugars per 100 g; only one size	29.90 EUR	98.03 EUR per kilo of protein

The short answer

Per kilo of protein, the plant proteins we compared range from 22.20 EUR for Bioptimal’s organic soy isolate in 3 kg to 98.03 EUR for Nutri&Co’s blend, 4.4 times more. In bulk sizes, a single-source plant protein costs 43 to 46% less than the best whey in our comparison, at 41.23 EUR. The gap comes down to three things: the size of the tub, the protein content of the powder (from 49 to 90%), and the choice between a single source and a blend.

The ranking, by price per kilo of protein

Brand and size	Source	Protein	Price	Price per kilo of protein
Bioptimal, organic soy, 3 kg	soy	90%	59.95 EUR	22.20 EUR
Bioptimal, organic pea, 3 kg	pea	80%	56.95 EUR	23.73 EUR
Bioptimal, organic pumpkin, 3 kg	pumpkin seeds	65%	56.95 EUR	29.21 EUR
Bioptimal, organic pea, 1.5 kg	pea	80%	37.95 EUR	31.63 EUR
Bioptimal, organic hemp, 3 kg	hemp	49%	56.95 EUR	38.74 EUR
Bioptimal, organic pea, 500 g	pea	80%	18.95 EUR	47.38 EUR
Dynveo, organic plant proteins, 1 kg	pea, rice, pumpkin, hemp	80%	44.90 EUR	56.13 EUR
Dynveo, organic plant proteins, 500 g	pea, rice, pumpkin, hemp	80%	29.90 EUR	74.75 EUR
greenwhey, organic plant protein, 900 g	pea, faba bean, pumpkin	70%	49.95 EUR	79.29 EUR
Nutri&Co, organic plant protein, 500 g	pea, rice, pumpkin, chia	61%	29.90 EUR	98.03 EUR

Prices recorded on 24/09/2026 from the official pages, excluding promotions. Price per kilo of protein = price of the size divided by the grams of protein it contains. Bioptimal’s rice protein is excluded: its nutrition label is inconsistent (89 kcal for 80 g of protein). Nutripure could not be compared: its product pages block automated reading.

What this table tells us

In bulk, plant protein is cheaper than whey

This is the most unexpected result of our price checks. The cheapest whey we found works out at 41.23 EUR per kilo of protein, in a 4 kg tub. An organic soy or pea isolate in 3 kg costs 22 to 24 EUR, nearly half as much. The price argument often raised against plant proteins therefore no longer holds, provided you buy a single source in a large size.

Size and protein content explain most of the gap

At Bioptimal, the same pea isolate goes from 47.38 EUR per kilo of protein in 500 g to 23.73 EUR in 3 kg: half the price. And at the same tub price, protein content matters: Nutri&Co and Dynveo both sell their 500 g at 29.90 EUR, but the Dynveo powder contains 80% protein against 61% for Nutri&Co, whose remainder is made up of carbohydrate (22 g per 100 g, of which 9.3 g sugars), fibre and fat.

A single source or a blend

Pea protein is low in methionine, an essential amino acid; rice provides more but is short on lysine. Hence the blends from Dynveo, greenwhey and Nutri&Co. Soy, for its part, provides all the essential amino acids in proportions close to your needs. The blend argument mainly applies if the powder is your main source of protein; in a diet that already includes cereals, pulses and nuts and seeds, the complementarity happens over the day, not in the shaker. Our guide to plant proteins and how to combine them explains the principle.

Three details to read on the label

Salt: Bioptimal’s soy and pea isolates show 1.3 g of salt per 100 g, around 0.4 g per 30 g serving. This is common with these isolates, and worth bearing in mind at two servings a day. The pumpkin and hemp proteins contain none.

Origin: Bioptimal’s soy is grown and processed in China; its pea is grown in Canada and processed in China; its pumpkin comes from Austria and its hemp from France, all packed in France. Dynveo states European sources.

Taste: Bioptimal’s isolates and Dynveo’s blend are neutral, so you flavour them yourself. greenwhey and Nutri&Co are flavoured, which you pay for in the price per kilo of protein.

Plant protein or whey?

On price, in bulk, plant protein wins: 22.20 EUR against 41.23 EUR for the best whey in our comparison. Whey keeps the advantage in texture and in high leucine content, the amino acid most closely linked to muscle protein synthesis. The choice therefore comes down to your diet, lactose tolerance, taste and texture, rather than price.

To work out how much protein you really need before buying any, our guide to protein-rich foods gives the benchmarks.

Our sources

Official Bioptimal, Dynveo, greenwhey and Nutri&Co pages, accessed on 24/09/2026: protein content, sizes, prices, origins and ingredient lists.
Our whey comparison for the benchmark of 41.23 EUR per kilo of protein.

Frequently asked questions

What is the best vegan protein powder?

By price per kilo of protein, Bioptimal’s organic soy isolate in 3 kg, at 22.20 EUR, followed by its pea isolate in 3 kg at 23.73 EUR. For a blend of several sources, Dynveo in 1 kg at 56.13 EUR.

Is plant protein cheaper than whey?

In bulk, yes: 22 to 24 EUR per kilo of protein for soy and pea in 3 kg, against 41.23 EUR for the cheapest whey in our comparison. In small sizes or flavoured blends, it becomes more expensive.

Pea protein on its own or a blend?

A blend makes up for pea’s low methionine content. It is useful if the powder is your main source of protein; in a varied diet, the complementarity happens over the day. Soy on its own provides all the essential amino acids.

Why is Nutri&Co's plant protein more expensive?

Because its powder contains only 61% protein, against 80% at Dynveo for the same price of 29.90 EUR per 500 g. The remainder is carbohydrate, including 9.3 g of sugars per 100 g, plus fibre and fat.

Does pea protein contain salt?

Often a little: Bioptimal’s pea and soy isolates show 1.3 g of salt per 100 g, around 0.4 g per 30 g serving. The pumpkin and hemp proteins contain none.