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Amazon or DosFarma: which is cheaper across 22 categories
Amazon184DosFarmaacross 22 categories both of them sell
The short answer. Of the 22 categories both sell, Amazon has the lower median in 18 and DosFarma in 4. Across the whole catalogue, Amazon sits 6 % below the market median and DosFarma 0 % above.
No store is cheap at everything. This page does not name a winner: it gives each one’s median in every category they share, so you can see where each wins and by how much. Prices are from the last collection and change; catalogue and certification change far less.
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Category by category
Each store’s median, in its unit
| Category | Amazon | DosFarma | Difference |
|---|---|---|---|
| Ashwagandha79 products from Amazon and 14 from DosFarma. See the full head to head. | €0.141/capsule-26 % vs market | €0.333/capsule+74 % vs market | 136 %cheaper: Amazon |
| Caffeine58 products from Amazon and 3 from DosFarma. | €0.198/capsule+4 % vs market | €0.190/capsule0 % vs market | 4 %cheaper: DosFarma |
| Carbohydrates49 products from Amazon and 9 from DosFarma. | €15.99/kg0 % vs market | €39.95/kg+150 % vs market | 150 %cheaper: Amazon |
| L-carnitine45 products from Amazon and 7 from DosFarma. | €0.183/capsule-4 % vs market | €0.125/capsule-35 % vs market | 46 %cheaper: DosFarma |
| Collagen65 products from Amazon and 15 from DosFarma. See the full head to head. | €59.67/kg-1 % vs market | €76.17/kg+27 % vs market | 28 %cheaper: Amazon |
| Creatine83 products from Amazon and 15 from DosFarma. | €39.90/kg-33 % vs market | €55.96/kg-6 % vs market | 40 %cheaper: Amazon |
| Turmeric71 products from Amazon and 15 from DosFarma. See the full head to head. | €0.158/capsule-29 % vs market | €0.507/capsule+128 % vs market | 221 %cheaper: Amazon |
| Glucosamine and chondroitin57 products from Amazon and 13 from DosFarma. See the full head to head. | €0.193/capsule-13 % vs market | €0.225/capsule+1 % vs market | 17 %cheaper: Amazon |
| Glutamine51 products from Amazon and 5 from DosFarma. | €58.17/kg-2 % vs market | €59.50/kg0 % vs market | 2 %cheaper: Amazon |
| Iron59 products from Amazon and 15 from DosFarma. See the full head to head. | €0.150/capsule-29 % vs market | €0.222/capsule+5 % vs market | 48 %cheaper: Amazon |
| Magnesium80 products from Amazon and 15 from DosFarma. See the full head to head. | €0.110/capsule-9 % vs market | €0.167/capsule+38 % vs market | 52 %cheaper: Amazon |
| Melatonin71 products from Amazon and 11 from DosFarma. See the full head to head. | €0.166/capsule0 % vs market | €0.200/capsule+20 % vs market | 20 %cheaper: Amazon |
| Multivitamins57 products from Amazon and 15 from DosFarma. See the full head to head. | €0.167/capsule-13 % vs market | €0.292/capsule+53 % vs market | 75 %cheaper: Amazon |
| Omega 361 products from Amazon and 12 from DosFarma. | €0.200/capsule-12 % vs market | €0.450/capsule+97 % vs market | 125 %cheaper: Amazon |
| Probiotics66 products from Amazon and 13 from DosFarma. See the full head to head. | €0.250/capsule-20 % vs market | €0.333/capsule+7 % vs market | 33 %cheaper: Amazon |
| Whey protein isolate49 products from Amazon and 7 from DosFarma. | €54.88/kg-8 % vs market | €52.99/kg-12 % vs market | 4 %cheaper: DosFarma |
| Vegan protein52 products from Amazon and 10 from DosFarma. | €29.00/kg+4 % vs market | €42.65/kg+53 % vs market | 47 %cheaper: Amazon |
| Whey protein (concentrate)44 products from Amazon and 12 from DosFarma. | €41.98/kg-7 % vs market | €49.99/kg+11 % vs market | 19 %cheaper: Amazon |
| Vitamin B1264 products from Amazon and 14 from DosFarma. See the full head to head. | €0.100/capsule-30 % vs market | €0.167/capsule+17 % vs market | 67 %cheaper: Amazon |
| Vitamin C65 products from Amazon and 14 from DosFarma. See the full head to head. | €0.124/capsule-21 % vs market | €0.350/capsule+124 % vs market | 182 %cheaper: Amazon |
| Vitamin D71 products from Amazon and 15 from DosFarma. See the full head to head. | €0.105/capsule-18 % vs market | €0.200/capsule+56 % vs market | 90 %cheaper: Amazon |
| Zinc35 products from Amazon and 9 from DosFarma. See the full head to head. | €0.166/capsule+4 % vs market | €0.160/capsule0 % vs market | 4 %cheaper: DosFarma |
The median is not the price you will pay. It is the midpoint of that store’s catalogue in that category: it tells you where to start looking, not what to buy. That is what each category table is for, where the specific row counts.
Both stores, figure by figure
What is not today’s price
| Figure | Amazon | DosFarma |
|---|---|---|
| Price indexMedian distance from the market median in the categories where it has three products or more. Negative is cheap. | -6 % | 0 % |
| Categories comparedAcross the whole site, in how many it has enough catalogue to be measured. | 30 | 39 |
| Products comparedThe ones this site collects from that store, not its whole catalogue. | 1600 | 443 |
| Brands in the catalogueA single brand means own brand (no manufacturer margin); many means reselling. | 466 | 105 |
| With lab reportLevel 3 or 4: testing a batch costs money and is passed on in the price. | 3 of 1600 | 3 of 443 |
| Product pages declaring additivesAn additive takes up grams that are not active ingredient and is cheaper than it. | 0 % | 7 % |
Questions about Amazon and DosFarma
Answered with the data on this page
- Amazon or DosFarma?
- Of the 22 categories both sell, Amazon has the lower median in 18 and DosFarma in 4. Across the whole catalogue, Amazon sits 6 % below the market median and DosFarma 0 % above. Price is not everything: Amazon publishes lab reports on 3 products and DosFarma on 3.
- In which categories does each one win?
- Amazon is cheaper in ashwagandha, carbohydrates, collagen, creatine, turmeric, glucosamine and chondroitin, glutamine, iron, magnesium, melatonin, multivitamins, omega 3, probiotics, vegan protein, whey protein (concentrate), vitamin b12, vitamin c, vitamin d. DosFarma is cheaper in caffeine, l-carnitine, whey protein isolate, zinc. These are medians of each catalogue in each category’s unit, with prices from October 15, 2026.
- Which catalogue is bigger?
- Amazon has 1600 products compared here across 30 categories and DosFarma 443 across 44. Amazon spreads its catalogue across 466 brands and DosFarma across 105: a store selling its own brand skips the manufacturer’s margin, a reseller pays it and in exchange carries brands the other does not.
Keep comparing
The same stores, by category
Amazon or DosFarma for ashwagandha93 prod.Amazon or DosFarma for collagen80 prod.Amazon or DosFarma for turmeric86 prod.Amazon or DosFarma for glucosamine70 prod.Amazon or DosFarma for iron74 prod.Amazon or DosFarma for magnesium95 prod.Amazon or DosFarma for melatonin82 prod.Amazon or DosFarma for multivitamin72 prod.Amazon or DosFarma for probiotic79 prod.Amazon or DosFarma for vitamin B1278 prod.Amazon or DosFarma for vitamin C79 prod.Amazon or DosFarma for vitamin D86 prod.Amazon or DosFarma for zinc44 prod.All stores, by price indexranking