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DosFarma or PromoFarma for spirulina: which is better value per capsule
The short answer. For spirulina, DosFarma lists 14 products and PromoFarma another 15. By price per capsule, DosFarma’s median is €0.060/capsule and PromoFarma’s is €0.148/capsule. The highest scoring across both catalogues is Sotya Espirulina 400mg 200 comprimidos from DosFarma, with 71 out of 100 at €0.017/capsule. Neither has products at verification level 4: for spirulina 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.
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Both stores at a glance
14 spirulina products
€0.060/capsulemedian
From €0.025/capsule to €0.225/capsule. 0 at verification level 4 and 0 at level 3.
Its best score: Sotya Espirulina 400mg 200 comprimidos, 71/100 at €0.017/capsule.
15 spirulina products
€0.148/capsulemedian
From €0.057/capsule to €1.149/capsule. 0 at verification level 4 and 0 at level 3.
Its best score: Go Phyto Spiruline Bio 200 caps, 53/100 at €0.035/capsule.
DosFarma against PromoFarma, figure by figure
The same numbers for both
| Figure | DosFarma | PromoFarma |
|---|---|---|
| Products compared | 14 | 15 |
| Median per capsule | €0.060/capsule | €0.148/capsule |
| Cheapest per capsule | €0.025/capsule | €0.057/capsule |
| Dearest per capsule | €0.225/capsule | €1.149/capsule |
| Best score | 71 | 53 |
| Level 4 (certification backed by a third party) | 0 of 14 | 0 of 15 |
| Level 3 (the brand’s own lab report) | 0 of 14 | 0 of 15 |
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.
Why one is cheaper than the other
Factor by factor, with both stores’ data
PromoFarma costs 147 % more per capsule than DosFarma (€0.148/capsule against €0.060/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).
| Factor | DosFarma | PromoFarma |
|---|---|---|
| Capsules per pack (median)DosFarma 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. | 200 caps. | 120 caps. |
| Median rating at the storeBased on 6 reviews at DosFarma and 2 at PromoFarma. These are the store’s own ratings, which is judge and party: they help spot a product that arrives damaged or tastes awful, not decide which formula is better. | 5/5 | 5/5 |
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 29 products from both stores
Filter by store to see only one
Filter and sort
| # | Product | Store | |||
|---|---|---|---|---|---|
| 01 | DosFarma+€3.99 delivery | €3.49 | €0.017 /capsule | 71 | |
| 02 | ZENement Espirulina Ecológica 600 Comprimidos Veganos · 1/1 requirements | DosFarma+€3.99 delivery | €14.99 | €0.025 /capsule | 67 |
| 03 | Aldous Bio Espirulina Ecológica 600 Comprimidos · 1/1 requirements | DosFarma+€3.99 delivery | €26.99 | €0.045 /capsule | 56 |
| 04 | Aldous Bio Espirulina y Chlorella 600 Comprimidos · 1/1 requirements | DosFarma+€3.99 delivery | €28.99 | €0.048 /capsule | 55 |
| 05 | Go Phyto Spiruline Bio 200 caps · 0/1 requirements | PromoFarma | €6.98 | €0.035 /capsule | 53 |
| 06 | Ana Maria Lajusticia Spirulina 160 Comprimidos · 1/1 requirements | DosFarma+€3.99 delivery | €12.99 | €0.081 /capsule | 50 |
| 07 | DosFarma+€3.99 delivery | €14.99 | €0.083 /capsule | 50 | |
| 08 | Pridaho Phytofarma Spirulina Pridaho 300 Comprimidos · 0/1 requirements | DosFarma+€3.99 delivery | €13.99 | €0.047 /capsule | 49 |
| 09 | PromoFarma | €11.46 | €0.057 /capsule | 49 | |
| 10 | Nature Essential Espirulina 400mg 250 Comprimidos · 0/1 requirements | DosFarma+€3.99 delivery | €11.99 | €0.048 /capsule | 48 |
| 11 | SOLNATURAL Espirulina 200tabs · 0/1 requirements | PromoFarma | €9.65 | €0.048 /capsule | 48 |
| 12 | DosFarma+€3.99 delivery | €8.99 | €0.050 /capsule | 48 | |
| 13 | Dietisa Marcus Rohrer Spirulina 540 Comprimidos · 1/1 requirements | DosFarma+€3.99 delivery | €59.99 | €0.111 /capsule | 48 |
| 14 | PromoFarma | €12.92 | €0.065 /capsule | 47 | |
| 15 | INTEGRALIA Spirulina Ecológica 500 mg 100 caps · 1/1 requirements | PromoFarma | €13.89 | €0.139 /capsule | 47 |
| 16 | Santiveri Alga Espirulina Bio 100 Comprimidos · 1/1 requirements | DosFarma+€3.99 delivery | €15.45 | €0.154 /capsule | 46 |
| 17 | Pridaho H4U Spirulina + Vitamina B12 100 Comprimidos · 0/2 requirements | DosFarma+€3.99 delivery | €5.95 | €0.060 /capsule | 44 |
| 18 | Mensan Espirulina Bio 500 mg 180 caps · 0/1 requirements | PromoFarma | €13.49 | €0.075 /capsule | 44 |
| 19 | PromoFarma | €29.52 | €0.148 /capsule | 42 | |
| 20 | PromoFarma | €10.67 | €0.178 /capsule | 42 | |
| 21 | PromoFarma | €9.49 | €0.158 /capsule | 42 | |
| 22 | PromoFarma | €11.24 | €0.225 /capsule | 41 | |
| 23 | Energy Feelings Energy Spirulina 120 caps · 0/1 requirements | PromoFarma | €16.79 | €0.140 /capsule | 40 |
| 24 | Soria Natural Spirulina 60 comprimidos · 0/1 requirements | DosFarma+€3.99 delivery | €10.58 | €0.176 /capsule | 39 |
| 25 | PromoFarma | €14.79 | €0.185 /capsule | 39 | |
| 26 | Alfa Herbal Espirulina Herbal 90 caps · 0/1 requirements | PromoFarma | €17.45 | €0.194 /capsule | 39 |
| 27 | MARCUS ROHRER Bio Espirulina 180 caps · 0/1 requirements | PromoFarma | €36.39 | €0.202 /capsule | 39 |
| 28 | Solgar Espirulina 80 Cápsulas Vegetales · 0/1 requirements | DosFarma+€3.99 delivery | €17.99 | €0.225 /capsule | 38 |
| 29 | Natural Nutrition Phycospir Espirulina Bio 30 caps · 0/1 requirements | PromoFarma | €34.47 | €1.149 /capsule | 36 |
No product makes that cut
Out of the 29 in this table, none meets every filter that is currently set at the same time.
29 products in this table
Questions about DosFarma and PromoFarma for spirulina
Answered with the data on this page
- DosFarma or PromoFarma for spirulina?
- On price per capsule, DosFarma: its median is €0.060/capsule against €0.148/capsule at PromoFarma, which is 147 % dearer. The median does not decide on its own: most of the rest of the mark is certification, and there DosFarma has 0 products at level 4 and PromoFarma has 0.
- Which is the cheapest spirulina across the two stores?
- Sotya Espirulina 400mg 200 comprimidos from DosFarma, at €0.017/capsule (200 capsules pack for €3.49), at verification level 1 out of 4.
- Why don’t DosFarma and PromoFarma cost the same?
- PromoFarma costs 147 % more per capsule than DosFarma (€0.148/capsule against €0.060/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). DosFarma 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. Based on 6 reviews at DosFarma and 2 at PromoFarma. These are the store’s own ratings, which is judge and party: they help spot a product that arrives damaged or tastes awful, not decide which formula is better.
- Which of the two stores scores better?
- Sotya Espirulina 400mg 200 comprimidos from DosFarma, with 71 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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