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What sets Gijs Tecklenburg apart as a therapist and tripsitter?

Gijs Tecklenburg stands out for a calm, attentive, and deeply present way of working. He favors space over control and attunement over technique, helping clients find insight without forcing the process. His background combines many years in Dutch mental health care with extensive mindfulness work. He integrates approaches like mindfulness, ACT, breathwork, neurofeedback, and especially […]

Is psychedelic therapy right for childhood trauma and loneliness on Vyvanse?

Psychedelic therapy can help some people explore childhood-rooted loneliness and fear by bringing buried feelings to the surface in a supported setting. It is not a quick fix and it is not right for everyone. Careful screening, a legal context, and an experienced facilitator are essential. Because you use Vyvanse, extra caution is needed. Stimulants […]

What do clients say about Triptherapie therapists and tripsitters?

Client reviews on the Triptherapie forum consistently mention feeling safe, seen, and well supported during guided sessions. You can browse a broader sample of experiences in this review overview. These are client reports and I cannot verify individual outcomes. Marcel is often described as calm, professional, and empathic, creating trust for both individuals and couples […]

Is it safe to mix ADHD meds with psilocybin, MDMA, LSD, ketamine, or ayahuasca?

Short answer: mixing prescription ADHD stimulants (like lisdexamfetamine, methylphenidate, or dexamfetamine) with psychedelics can raise the chance of overstimulation, anxiety, and cardiovascular strain. Risk varies by substance and setting. Highest concern is ayahuasca, because it contains MAO‑A inhibitors. Stimulants combined with MAOIs are widely warned against in official product information (see the Dutch SmPC for […]

Does MDA produce stronger, longer-lasting and more adverse effects than MDMA?

Yes. A recent double-blind, randomized, placebo-controlled crossover study in 23 healthy participants directly compared equimolar doses of MDMA and MDA and found that MDA produced stronger and longer-lasting acute effects than MDMA, with more adverse and psychedelic-like effects (study). On average, the subjective drug effect lasted about 6.1 hours with MDA versus 4.1 hours with […]

Does a single MM120 treatment reduce GAD symptoms, and which dose works best?

Yes. In a phase 2b randomized trial, a single dose of MM120 reduced generalized anxiety disorder symptoms at 4 weeks versus placebo, showing a dose response. The 100 µg and 200 µg doses produced statistically significant improvements on the Hamilton Anxiety Rating Scale compared with placebo, by about 5 and 6 points respectively. The 25 […]

Does psilocybin reduce brain blood flow and narrow arteries via 5-HT2A?

Short answer: Yes, in healthy volunteers psilocybin was associated with a temporary reduction in cerebral blood flow and a narrowing of the internal carotid artery. The pattern is consistent with involvement of 5-HT2A receptors, since psilocybin is an agonist and the 5-HT2A antagonist ketanserin did not show similar effects, but this is not definitive proof […]

Can I have a ketamine session without a prescription or referral?

In the Netherlands, you cannot have an official ketamine or Spravato session without a referral and clinical supervision. These medical treatments are only provided in recognized clinics. At Triptherapie, you can choose a non-medical option using a legal ketamine analog. This is not a medicine, so no prescription or referral is required. The focus is […]

How can Triptherapie already offer legal LSD sessions with trained therapists?

In the Netherlands, classic LSD is illegal. Triptherapie states that it stays within the law by not supplying illegal substances and by facilitating sessions with LSD-like analogs that are not explicitly scheduled, offering similar subjective effects. They emphasize harm reduction and legal compliance. I cannot verify the legal status of any specific compound, and laws […]

Does psilocybin reduce chronic cluster headache attacks via the hypothalamus?

Short answer: psilocybin might reduce chronic cluster headache attacks, and the improvement appears to track with changes in hypothalamic connectivity, but this does not prove the hypothalamus is the causal route. In a small open-label study of 10 people with chronic cluster headache, participants received three oral doses of psilocybin over three weeks. On average, […]

Does escitalopram reduce psilocybin’s negatives without reducing positives?

Short answer: In a controlled setting with healthy volunteers, short-term escitalopram pretreatment appeared to reduce psilocybin’s negative effects (like anxiety and other adverse effects) without meaningfully reducing the positive subjective effects of a 25 mg dose (study). Escitalopram did not change psilocin pharmacokinetics, and there were no observed changes in QTc intervals or circulating BDNF […]

Can you provide a guided psilocybin session at my home in Hillegom?

Yes, we can guide a psilocybin session at your home in Hillegom. Home visits in nearby towns such as Lisse, Noordwijkerhout, and Hoofddorp are also possible. Before the session we schedule a short intake to discuss intentions, preparation, and the setting. On the day itself your facilitator offers supportive guidance in a calm environment. Afterward […]