| What it does | Concentrates the growth factors in your own blood and injects them to support the body’s natural repair | Delivers your own cartilage cells, a ChondroFiller scaffold and PRF to regenerate cartilage |
| What is in the injection | Your own platelets and their growth factors | Your own cells, a collagen scaffold and PRF, all from your own body |
| The goal | Supports natural repair and calms symptoms | Aims to regenerate worn cartilage |
| Best suited to | Mild or early joint problems, and soft-tissue injury | Cartilage wear you want to regenerate, judged on imaging rather than symptoms |
| Sessions | Often a course of injections | One session |
| Cost | From about £1,200 | £8,000, or £8,500 all-inclusive |
| How they relate | PRF, a close relative of PRP, is one component within NanoACi | Includes a PRF step, so it builds on the same biology PRP uses |