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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 | 5/5 |
| User rating | 4.3 (289) | 4.8 (612) |
| Typical dose | 5–15 g of hydrolyzed collagen per day | 3–5 g per day (maintenance phase); optional loading phase of 20 g/day for 5–7 days |
| Form | Collagen peptide powder (type I and III) | Creatine monohydrate (the best-studied form) |
| Average price | 60–120 zł za 300 g proszku peptydów kolagenowych (ok. 20–30 dawek) | 40–70 zł za 500 g monohydratu (ok. 100 porcji po 5 g) |
| Monthly cost | ok. 60–120 zł/miesiąc | ok. 15–25 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. | First strength effects after 1–2 weeks; full muscle saturation and maximum effect after about 3–4 weeks of regular use. |
| Who it's for | People interested in skin elasticity and hydration | People doing resistance training and high-intensity sports |