Library

U-49900

A substance that is an analogue of U-47700, yet doesn't share much with it. If you are interested in trying it, I recommend reading this. https://www.reddit.com/r/researchchemicals/comments/5gbo3e/u49900_experiment_and_warning/.

Classification

  • Chemical: Opioid
  • Psychoactive: Depressant
  • Psychoactive: Dissociative
  • Tag: Research-Chemical
  • Tag: Synthetic opioid
  • Tag: Tentative

Effects

  • Sedation
  • Motor Impairment
  • Respiratory Depression
  • Constipation
  • Pupil Constriction
  • Itchiness
  • Reduced Anxiety
  • Euphoria
  • Anxiety Suppression
  • Disconnection
  • Time Dilation
  • Dissociation
  • Dulled Perception
  • Closed Eye Visuals
  • Open Eye Visuals
  • Patterning

Routes of Administration

No route information available yet.

Harm Reduction

Check interactions before mixing substances, pay attention to dose spacing and hydration, and treat all dosage guidance as approximate rather than guaranteed safe.

Sources

Substance data is aggregated from the following public harm-reduction and reference sources.

Links

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U-49900 - DrugsPRO ainejuhend

U-49900: A substance that is an analogue of U-47700, yet doesn't share much with it. If you are interested in trying it, I recommend reading this. https://www.reddit.com/r/researchchemicals/comments/5gbo3e/u49900_experiment_and_warning/.

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