Tool
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.
Add to comparison (2/4)
| Category | Biohacking | Biohacking |
| Evidence strength | Early-stage evidence | Moderate evidence |
| Evidence Score | 2/5 | 3/5 |
| User rating | 4.1 (72) | 4.4 (79) |
| Typical dose | Cosmetic form: per manufacturer instructions, usually 1–2 times daily on cleansed skin, at concentrations tested clinically around a few percent of the GHK-Cu complex. Injectable/systemic form: no approved, clinically evidence-based dosing guidelines exist for humans. | — |
| Form | Cream, serum, or impregnated dressing for topical use — the form with the best-documented safety and effectiveness profile | — |
| Average price | Forma kosmetyczna: 80–250 zł za opakowanie kremu/serum starczające na 1–2 miesiące. Forma iniekcyjna (gray market): 150–350 zł za fiolkę. | — |
| Monthly cost | ok. 80–250 zł/miesiąc (forma kosmetyczna) | — |
| Time to effects | Topical form: visible changes in skin density and elasticity usually after 8–12 weeks of regular use, matching the duration of clinical trials. Injectable form: time to effect has not been established in human clinical trials. | Not applicable — HRV is a monitoring indicator, not an intervention; changes in the trend become visible after several days to weeks of observation. |
| Who it's for | People interested in anti-aging skincare looking for an alternative to retinoids when they tolerate those poorly | Athletes wanting to objectively monitor training load and recovery |