All comparisons
Side by side
Experiential Training Institute vs Inwardbound
Experiential Training Institute (ETI) and Inwardbound, compared on what each publishes: price, programme length, screening, staff, the law where it operates and its public record. Neither centre has paid to appear here, and this page makes no recommendation.
| Experiential Training Institute (ETI) | Inwardbound | |
|---|---|---|
| Location | Amsterdam area, Netherlands | Castricum area, North Holland (woodland venue about 45 min from Amsterdam), Netherlands |
| Medicine | Psilocybin (truffles) | Psilocybin (truffles) |
| Legal footing | Legal in Netherlands | Legal in Netherlands |
| Lowest published price | EUR 2,650 (read 28 Sep 2026) | EUR 3,500 (read 28 Sep 2026) |
| Programme length | 2 nights | 2 to 4 nights |
| Ceremonies or sessions | 1 per programme | 1, 2 per programme |
| Medical screening | Described on its website | Described on its website |
| Asks about antidepressants | Not stated | Not stated |
| Team and medical staff | Co-founders Dr Hans van Wechem (psychiatrist) and Jeanine Souren (psychologist). | Co-founder Rob O Cobhthaigh (psychotherapist), Maryna Zagorodnia (psychotherapist), Dr Darragh Stewart (PhD). |
| Licence | No licensing regime applies | No licensing regime applies |
| Founded | 2022 | 2018 |
| Public record | None found | None found |
| Where these facts come from | Details from the centre's own website and independent sources, read 28 Sep 2026. Full profile and sources | Details from the centre's own website and independent sources, read 28 Sep 2026. Full profile and sources |
Questions and answers
- Which is cheaper, Experiential Training Institute or Inwardbound?
- By lowest published price, Experiential Training Institute (ETI) (from EUR 2,650) is cheaper than Inwardbound (from EUR 3,500). These are each centre's own starting prices, read 28 Sep 2026 and 28 Sep 2026; programmes differ in length and what is included, so compare like with like.Sources: Experiential Training Institute (ETI) website, 28 Sep 2026; Inwardbound website, 28 Sep 2026
- How long are programmes at Experiential Training Institute and Inwardbound?
- Experiential Training Institute (ETI) publishes programmes of 2 nights; Inwardbound publishes 2 to 4 nights.
- Is psilocybin legal where both centres operate?
- Fresh psilocybin truffles (sclerotia) are outside the Opium Act; mushrooms, fresh or dried, have been banned since December 2008.The law in each place, cited