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Let's learn about
2C-B
4-bromo-2,5-dimethoxyphenethylamine
2CB pressed pill
AKA Nexus, Venus, Bees, Erox
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What is it?
OOBrNH₂
2C-B is a
psychedelic entactogen
A synthetic compound in the phenethylamine family - the same family as mescaline. It shifts perception, mood, and the body: visuals and color alongside a warm, emotionally open, sociable headspace.
Comes as powder or pressed pillsTaken usually swallowed; snorting is far harsher and comes on faster
1974Created
'70sTherapy
1985Clubs
1995Banned
TodayStudied
What does the
research show?
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Eased anger, raised emotional opennessGonzalez et al., 2015
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Gentler mood profile than psilocybinMallaroni et al., 2023
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Comparable visuals, better toleratedMallaroni et al., 2023
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A therapy candidate - but no completed trialsEarly research

2C-B is one of the least-studied psychedelics. Most of what we know comes from small, observational studies - not large clinical trials.

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How it unfolds
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Before
Set & dose
Weigh it on a milligram scale and set your intention. A few milligrams changes everything.
Visuals
Warmth
Body load
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Quick check
You've got loose powder sold as 2C-B and no scale. What's safest?
Harm reduction
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Use a milligram scale - never eyeball a 2C-B dose
Test it first - what's sold as 2C-B is often something else
Start low and go slow - a few milligrams changes everything
Avoid mixing - lithium, tramadol, and MAOIs are especially dangerous. Check any prescription meds before combining
Mind set & setting, and keep a trusted, sober person nearby
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What are the risks?
Very dose-sensitive - a few milligrams can overwhelm you
Nausea, especially on the come-up
Raised heart rate and blood pressure
Muscle tension, teeth grinding, and sweating
Anxiety, panic, or paranoia - more likely at higher doses
Higher risk with a personal or family history of psychosis or mood disorders
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2C-B isn't considered physically addictive, but what's sold as "2C-B" is often mislabeled - and a hard experience can stay with you. Dose, set, and setting all matter.

Where it stands
The law - and what's really in the bag
ISchedule I in the U.S. since 1995 - and controlled in most countries
1974First made by chemist Alexander Shulgin - legal for its first two decades
Tusi"Tusi" / "pink cocaine" is usually NOT 2C-B - often an MDMA-ketamine mix. Always test.
Myth or fact?
-
You made it ✦

Come back anytime to revisit. Knowing what you're actually taking - and how much - keeps you and the people around you safer.

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Sources
dancesafe.org · psychonautwiki.org · erowid.org
Shulgin, PiHKAL · Gonzalez et al. 2015 · Mallaroni et al. 2023
Papaseit et al. 2018 · pubmed.ncbi.nlm.nih.gov
Portal is an IRS-recognized 501(c)(3) nonprofit, and this is harm-reduction education central to our mission - not medical or legal advice, and never an endorsement to use any drug. We do not encourage or promote using any substance. 2C-B is illegal in most places, and what's sold as "2C-B" is often something else. In an emergency, call 911. Need support during or after an experience? The Fireside Project psychedelic peer-support line: 62-FIRESIDE (623-473-7433), free and confidential.
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