2C-B

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2C-B is a synthetic psychedelic drug in the 2C family, officially known as 4-bromo-2,5-dimethoxyphenethylamine. It was created by chemist Alexander Shulgin in 1974 and has been sold under names like Nexus, Erox, Venus, Bees, and Synergy. It is usually taken by mouth, though some people snort it. Its effects begin about 30 minutes to 1.5 hours after use and peak around 2–3 hours, lasting about 3–5 hours (pathways can range from 2 to 8 hours).

What it does
- Effects are a mix of psychedelic visuals, sensory enhancement (brighter colors, richer textures), and mood changes. People often report increased creativity, openness, and sociability, along with some euphoria.
- Many users describe 2C-B as milder and easier to manage than other psychedelics like LSD or psilocybin. Doses can shift the experience from vivid visuals and stimulation to stronger psychedelic effects at higher amounts.
- It is sometimes described as a combination of LSD-like visuals with MDMA-like warmth and empathy, but with a clearer head and less intense emotional pressure. Some call it a “beginner-friendly” psychedelic, though experiences vary and bad trips can occur.

How much and how long
- Common oral doses are around 10–20 mg; threshold effects start around 4 mg. A typical street tablet often contains 5–10 mg.
- A low dose (5–15 mg) tends to be stimulating with sensory enhancement. A moderate dose (10–25 mg) can bring more pronounced visuals. Higher doses (20–50 mg and up) may produce stronger psychedelic effects and more intense visuals.
- Onset is 0.5–1.5 hours, peak effects occur around 2–3 hours, and overall effects last about 3–5 hours, though some experiences can extend longer.

How it works
- Pharmacology: 2C-B is a potent partial agonist of serotonin 5-HT2A and 5-HT2C receptors (with some activity at 5-HT2B). This receptor action underlies its psychedelic effects. It can also act as a weak serotonin transporter interaction, and its effects can be influenced by other drugs.
- Metabolism occurs mainly in the liver, and several metabolites have been identified. It is broken down relatively quickly, which helps explain the short duration compared with some other psychedelics.

Risks and safety
- Common side effects: nausea, sweating, increased heart rate and blood pressure, jaw clenching, tremors, dizziness, and impaired coordination.
- At higher doses: stronger visuals, anxiety, confusion, or difficulty concentrating. There is a risk of overheating (hyperthermia) at high doses or in hot environments.
- Less common but serious risks: rare reports of brain injury or serotonin syndrome after extreme use or dangerous combinations; there is also concern about heart valve issues with long-term frequent use due to 5-HT2B activity.
- Interactions: combining 2C-B with other drugs (especially MAO inhibitors, MDMA, or alcohol) can increase risks and intensify effects.
- Overall safety: precise lethal dose is not well defined; the safety window is narrower than some other psychedelics. Adulteration and impurities in illicit products add extra risk.

Legal status
- 2C-B is illegal or tightly controlled in many countries. In the United States it is a Schedule I substance. The UK lists it as a Class A drug. Canada classifies it as Schedule III. Australia lists it as a prohibited substance (S9). Many European countries and others regulate it similarly, with international control under UN conventions since 2001.
- Possession, distribution, or manufacture can carry serious legal penalties depending on the country.

History and context
- Shulgin described 2C-B in the mid-1970s and suggested potential use in psychedelic-assisted psychotherapy, though gastrointestinal side effects and a lack of strong entactogenic effects limited this.
- It gained popularity as a designer drug in the 1980s and 1990s and was once sold as an over-the-counter product in some places under brand names like Erox. Since then, it has become a controlled substance in most jurisdictions.

Bottom line
2C-B is a mid-range psychedelic known for milder, more manageable visuals and a clearer head compared with some other psychedelics, often described as a “candy-flip” with MDMA-like vibes. It carries risks, including potential cardiovascular concerns with frequent use and possible adverse reactions at high doses or when mixed with other drugs. It remains illegal in many places, so legality and safety should be carefully considered.