Last verified: April 2026

The Mushroom Loophole

In 2008, the Netherlands banned the sale of psilocybin mushrooms (the fruiting bodies) after a series of incidents involving tourists. However, the ban specifically covered mushrooms — the above-ground fruiting body of the fungus. It did not cover sclerotia, the underground truffle-like masses that the same organisms produce.

Sclerotia — commonly marketed as “magic truffles” or “philosopher’s stones” — contain the same active compounds as mushrooms: psilocybin and psilocin. They produce the same psychedelic effects. The only difference is their physical form and where they grow (underground vs. above ground).

This legal distinction — arguably a loophole, arguably an intentional regulatory choice — means that psilocybin truffles are legally sold in Amsterdam smartshops to anyone aged 18 or older. They are packaged, labeled, and sold over the counter like any commercial product.

What Are Smartshops?

Smartshops are retail stores that specialize in psychoactive natural products, supplements, and related accessories. They are distinct from coffeeshops (which sell cannabis) and head shops (which sell smoking accessories). A typical Amsterdam smartshop sells:

• Psilocybin truffles — The primary draw for most visitors
• Salvia divinorum — A legal psychoactive plant with intense but short-lived effects
• Peyote and San Pedro cacti — Mescaline-containing cacti sold as live plants (consuming them is a gray area)
• Kratom — A Southeast Asian plant with stimulant and sedative properties depending on dose
• Herbal supplements — Energy boosters, relaxation aids, and other natural products

Truffle Varieties and Potency

Truffles are sold in sealed packages of 10–15 grams, priced between €15–35 depending on the variety and shop. The key varieties, ranked by strength:

Notable Amsterdam Smartshops

• Kokopelli (Warmoestraat) — A shamanistic-themed smartshop known for knowledgeable staff and a spiritual approach to psychedelics. Good for first-timers who want guidance
• Azarius (Kerkstraat) — One of Amsterdam’s most respected smartshops with a wide selection and expert staff. Also carries ayahuasca-related herbs and preparation kits
• Magic Mushroom Gallery (Spuistraat) — Operating for approximately 30 years, one of the longest-running psychedelic retail spaces in the city
• Tatanka (Leidseplein area) — A popular chain with 3 locations across Amsterdam. Convenient and well-stocked, though more tourist-oriented than some alternatives

Safety Guidelines

Psilocybin is a powerful psychedelic. Amsterdam’s legal availability does not make it casual. Essential safety rules:

• Set and setting matter enormously. Take truffles in a safe, comfortable environment with people you trust. A noisy hostel room or a crowded street is not ideal
• Do not combine with alcohol or cannabis if you are inexperienced with psychedelics. Mixing substances dramatically increases the risk of a bad experience
• Do not take truffles if you are on SSRIs, SNRIs, or MAOIs. These medications interact dangerously with psilocybin. Consult your doctor before combining any psychedelic with psychiatric medication
• Never drive or cycle after consuming truffles. Effects last 4–6 hours and impair judgment, perception, and reaction time
• Have a sober companion (“trip sitter”) if possible, especially for your first time
• Eat truffles on a light stomach. A heavy meal can delay onset and cause nausea. Many people find that chewing thoroughly and washing down with herbal tea reduces stomach discomfort
• If things go wrong, call 112. You will not be arrested for seeking medical help. Staff at any smartshop can also provide guidance if you return to the shop