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Supplement comparison tool
Pick up to 4 knowledge base entries and compare their dosage, price, evidence strength and ratings side by side — you can save or share a link to your selection.
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| Category | Suplementy | Suplementy |
| Evidence strength | Moderate evidence | Strong evidence |
| Evidence Score | 3/5 | 4/5 |
| User rating | 4.3 (289) | 4.7 (738) |
| Typical dose | 5–15 g of hydrolyzed collagen per day | 200–400 mg of elemental magnesium per day (RDA: approx. 310–420 mg depending on sex and age) |
| Form | Collagen peptide powder (type I and III) | Magnesium citrate, lactate or glycinate — better bioavailability than the oxide form |
| Average price | 60–120 zł za 300 g proszku peptydów kolagenowych (ok. 20–30 dawek) | 20–45 zł za opakowanie 60 kapsułek (miesiąc stosowania) |
| Monthly cost | ok. 60–120 zł/miesiąc | ok. 20–45 zł/miesiąc |
| Time to effects | Skin effects (elasticity, hydration) are usually visible after 8–12 weeks; joint support is reported in studies after a similar period of regular use. | With an actual deficiency, improvements in well-being and sleep can be noticeable after 1–3 weeks; fully replenishing tissue stores takes longer, usually several weeks. |
| Who it's for | People interested in skin elasticity and hydration | People with a diet low in leafy greens, nuts and whole grains |