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PromoFarma or Prozis for omega 3: which is better value per capsule

The short answer. For omega 3, PromoFarma lists 13 products and Prozis another 13. By price per capsule, PromoFarma’s median is €0.487/capsule and Prozis’s is €0.142/capsule. The highest scoring across both catalogues is Prozis Omega 3 - 360 cápsulas blandas from Prozis, with 53 out of 100 at €0.094/capsule. Neither has products at verification level 4: for omega 3 the ceiling today is a lab report published by the brand itself, and that is not a certification.

Both stores measured on the same criterion: price per capsule and certification verification level. There is no overall winner because there isn’t one: one can win on price and the other on certification, and here you see both separately.

† Some links are affiliate links — they do not change the ranking

Some store links are affiliate links: if you buy through them, this site may earn a commission at no extra cost to you. It changes nothing in the ranking: the score is computed beforehand and without reading those links, and products with no affiliate programme appear exactly the same. How it is calculated.

Both stores at a glance

PromoFarma

13 omega 3 products

€0.487/capsulemedian

From €0.132/capsule to €0.967/capsule. 0 at verification level 4 and 0 at level 3.

Its best score: Sorrenti Health Omega 3 C/Vitam E 120 caps Ideal, 49/100 at €0.132/capsule.

Prozis

13 omega 3 products

€0.142/capsulemedian

From €0.094/capsule to €0.333/capsule. 0 at verification level 4 and 0 at level 3.

Its best score: Prozis Omega 3 - 360 cápsulas blandas, 53/100 at €0.094/capsule.

PromoFarma against Prozis, figure by figure

The same numbers for both

PromoFarma and Prozis for omega 3, with prices from October 15, 2026
FigurePromoFarmaProzis
Products compared1313
Median per capsule€0.487/capsule€0.142/capsule
Cheapest per capsule€0.132/capsule€0.094/capsule
Dearest per capsule€0.967/capsule€0.333/capsule
Best score4953
Level 4 (certification backed by a third party)0 of 130 of 13
Level 3 (the brand’s own lab report)0 of 130 of 13

The median is not the price you will pay. It is the midpoint of that store’s catalogue in this category, and it tells you whether a store is dear or cheap overall. For buying, the specific row in the table below is what counts.

What each tub contains

Median dose per serving

Price per kilo does not tell you how much active ingredient is inside the kilo. This table does: for each ingredient, the median dose per serving at each store and how many products reach the dose backed by studies (the same reference this site scores with).

Ingredients and dose per serving at PromoFarma and Prozis, for omega 3
IngredientPromoFarmaProzis
Omega 3 EPA DHAEvidence-backed dose: from 250 mg per serving1.5 g1 of 13 contain it · 1 reach the dosenot included

The dose is per serving, not per tub. A big tub with a short dose forces you to take two scoops to get the same, and then it lasts half as long: that is why the price per dose in the next section does not match the price per kilo.

Why one is cheaper than the other

Factor by factor, with both stores’ data

PromoFarma costs 243 % more per capsule than Prozis (€0.487/capsule against €0.142/capsule, medians of both catalogues). That difference does not come out of nowhere. These are the data that explain it, with each store’s figure alongside: capsules per pack (median), different brands in the catalogue.

Where the price difference between PromoFarma and Prozis for omega 3 comes from
FactorPromoFarmaProzis
Capsules per pack (median)Prozis sells bigger packs, and a big pack spreads the same tub, the same label and the same shipping over more capsules. Part of the price gap per capsule is this and not a discount: comparing one store’s small pack with the other’s large one inflates the gap.60 caps.120 caps.
Different brands in the catalogueProzis mostly sells one brand, Prozis: 100 % of its catalogue in this category. PromoFarma spreads its own across 11 brands. A store selling its own brand skips the manufacturer’s margin and can cut the price without touching the formula; a reseller pays that margin and passes it on, and in exchange carries brands the other does not sell.11 (15 % Swisse)1 (100 % Prozis)

None of these factors is an accusation. They are medians of what each store publishes on its pages on the day prices were collected: where a page does not declare a figure, that store does not count in that row instead of counting as a zero. A specific product can contradict its store’s median, and that is what the full table is for. How all of this is calculated.

All 26 products from both stores

Filter by store to see only one

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Products sorted by score (recommended)
#ProductStore
01
Prozis Omega 3 - 360 cápsulas blandas
Prozisfree delivery€33.97€0.094 /capsule53
02
Prozis Omega 3 - 1000 - 480 softgels
Prozisfree delivery€50.97€0.106 /capsule52
03PromoFarma€15.80€0.132 /capsule49
04
Prozis Omega 3 EPA Plus 360 Softgels
Prozisfree delivery€50.97€0.142 /capsule48
05PromoFarma€32.19€0.161 /capsule47
06Prozisfree delivery from €24.99€9.99€0.167 /capsule47
07
Sakai Omega-3 Dha 150 Perlas · 1/3 requirements
PromoFarma€29.99€0.200 /capsule45
08
Prozis Krill Omega 3 90 softgels · 2 flavours
Prozisfree delivery€24.99€0.278 /capsule43
09Prozisfree delivery from €24.99€17.99€0.300 /capsule43
10Prozisfree delivery from €24.99€19.99€0.333 /capsule42
11PromoFarma€90.09€0.375 /capsule41
12PromoFarma€25.99€0.433 /capsule41
13PromoFarma€34.79€0.580 /capsule41
14
Ifigen Oligen Complemento Alimenticio DHA 60caps · 1/3 requirements
PromoFarma€31.09€0.518 /capsule40
15
Puro Omega Natural DHA Vegan 90 Perlas · 1/3 requirements
PromoFarma€53.17€0.591 /capsule40
16
Vitalfarma Dha Select 30 caps1.0 (1) · 1/3 requirements
PromoFarma€14.61€0.487 /capsule40
17
lutein 10 Dha 30+30 Capsulas5.0 (1) · 1/3 requirements
PromoFarma€29.01€0.967 /capsule39
18
Bonusan Omega-3 Msc Aceite de Krill 60 caps · 0/3 requirements
PromoFarma€39.79€0.663 /capsule36
19
Physiomance Omega3+ 30 caps4.0 (2) · 0/3 requirements
PromoFarma€20.11€0.670 /capsule36

26 products in this table

Questions about PromoFarma and Prozis for omega 3

Answered with the data on this page

PromoFarma or Prozis for omega 3?
On price per capsule, Prozis: its median is €0.142/capsule against €0.487/capsule at PromoFarma, which is 243 % dearer. The median does not decide on its own: most of the rest of the mark is certification, and there PromoFarma has 0 products at level 4 and Prozis has 0.
Which is the cheapest omega 3 across the two stores?
Prozis Omega 3 - 360 cápsulas blandas from Prozis, at €0.094/capsule (360 capsules pack for €33.97), at verification level 1 out of 4.
Why don’t PromoFarma and Prozis cost the same?
PromoFarma costs 243 % more per capsule than Prozis (€0.487/capsule against €0.142/capsule, medians of both catalogues). That difference does not come out of nowhere. These are the data that explain it, with each store’s figure alongside: capsules per pack (median), different brands in the catalogue. Prozis sells bigger packs, and a big pack spreads the same tub, the same label and the same shipping over more capsules. Part of the price gap per capsule is this and not a discount: comparing one store’s small pack with the other’s large one inflates the gap. Prozis mostly sells one brand, Prozis: 100 % of its catalogue in this category. PromoFarma spreads its own across 11 brands. A store selling its own brand skips the manufacturer’s margin and can cut the price without touching the formula; a reseller pays that margin and passes it on, and in exchange carries brands the other does not sell.
Which of the two stores scores better?
Prozis Omega 3 - 360 cápsulas blandas from Prozis, with 53 out of 100. The score is 35 % price per capsule against the cheapest in the category, 35 % verifiable quality (certification, purity and additives), 20 % the category's own requirements and 10 % the buyers' rating at the store, and it is computed without looking at affiliate links. Prices from October 15, 2026.

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