Subjective effects

The effects listed below are based upon the subjective effects index and personal experiences of PsychonautWiki contributors. These effects should be taken with a grain of salt and will rarely (if ever) occur all at once, but heavier doses will increase the chances of inducing a full range of effects. Likewise, adverse effects become much more likely on higher doses and may include serious injury or death.

Physical effects

  • Stimulation - In terms of its effects on the physical energy levels of the user, 25I-NBOMe is usually considered to be very energetic and stimulating. For most people, this substance induces a unique type of physical stimulation which can be described as feeling extremely energetic but in a way which does not force the tripper to move unless they genuinely choose to do so. For others, however, the stimulation can be quite uncontrollable, occasionally resulting in bodily shakes and a grinding of the teeth comparable to that of MDMAand traditional stimulants such as amphetamine.
  • Perception of bodily lightness - In terms of the body’s perceived weight, this substance consistently leaves people feeling extremely light, often to the point of total weightlessness.
  • Spontaneous physical sensations - The "body high" itself can be described as a mild, all-encompassing, soft but euphoric tingling sensation. This tingling sensation is also accompanied by spontaneous rushes of euphoriathat become longer and more drawn out proportional to the dosage consumed.
  • Mouth numbing - Assuming the substance has been taken sublingually, the very first physical effect which a person will notice immediately after sublingual absorption is a strong, unpleasant metallic chemical taste. This is accompanied by a very distinct feeling of general numbness of the tongue and mouth which can stay for up to an hour after the blotter paper has been consumed.
  • Nausea - As the user begins to come up, nausea is not uncommon and can sometimes result in initial vomiting, although nausea usually disappears when the user has vomited or the trip fully set in. In comparison to other psychedelics such as psilocin2C-E and 2C-I, this could actually be considered very mild in its intensity.
  • Temperature regulation suppression
  • Abnormal heartbeat
  • Increased heart rate
  • Increased blood pressure
  • Muscle contractions
  • Muscle cramps
  • Muscle tension
  • Gustatory hallucination
  • Vasoconstriction
  • Appetite suppression
  • Stomach cramps
  • Dehydration
  • Dry mouth
  • Difficulty urinating or Frequent urination
  • Restless legs
  • Pupil dilation
  • Headaches
  • Seizures

Cognitive effects

The cognitive effects of 25I-NBOMe are described by many as notably light in comparison to the classical psychedelics. It is not uncommon for people to report feeling that their thought stream has maintained general normality in its specific style throughout low to moderate dosages. At high dosages, however, strong to overwhelming cognitive alterations become present, which can lead to states of confusionamnesia, and general sensory overload. The most prominent of these cognitive effects generally include:

Visual effects

Enhancements

Suppressions

Distortions

  • Drifting (melting, flowing, breathing and morphing) - In comparison to other psychedelics, this effect can be described as highly detailed, slow and smooth in motion, static in appearance and unrealistic/cartoon-like in style.
  • Colour shifting
  • Colour replacement
  • Colour tinting
  • Depth perception distortions
  • Perspective distortions
  • Tracers
  • Diffraction
  • Brightness alteration
  • After images
  • Symmetrical texture repetition
  • Recursion
  • Scenery slicing

Geometry

The visual geometry produced by this substance is similar to LSD and can be comprehensively described as algorithmic in geometric style, intricate in complexity, fine and zoomed out in detail, fast and smooth in motion, structured in shape, colorful in scheme, glossy in color, sharp around the edges and equally angular as well as rounded across their corners. In comparison to other more commonly used psychedelics they can be described as significantly more intricate than the visual geometry found within 2C-I and most of the 2C-xfamily in general as well as completely on par with LSDPsilocin and DMT at appropriately high dosages.

25I-NBOMe’s geometry leads reliably leads to Level 8Avisual geometry with Level 8B remaining so far unconfirmed. It seems to consistently be able to build up in visual intensity when the user stares at a central point. This eventually envelops the visual field and creates the sensation that the tripper has broken through into a continuously shifting geometric landscape or structure with a vast sense of immersive physical size attributed to it.

Hallucinatory states

25I-NBOMe is capable of producing a full range of hallucinatory states within the level 1 - 3 range extremely consistently. However, level 4 hallucinatory breakthroughs are reported but very different and inconsistent in comparison to other more commonly used psychedelics such as psilocin, 2C-E and DMT.

These effects include:

  • Transformations
  • Machinescapes - This component is an uncommon effect that typically only occurs at very strong to heavy doses. It also tends to be accompanied by overwhelming if not dangerous physical and cognitive effects.
  • Internal hallucination - (settings, sceneries, and landscapesperspective hallucinations and scenarios and plots). These are more common within dark environments and can be described as lucid in believability, interactive in style and almost exclusively of a personal, religious, spiritual, science-fiction, fantasy, surreal, nonsensical or transcendental nature in their overall theme.

Auditory effects

Multi-sensory effects

  • Dosage independent intensity - While the reasons for this are not understood, many reports suggest that this substance can produce unexpectedly strong or weak effects even when taken at the seemingly same dose in an unpredictable manner.[citation needed] This may contribute to the relative risk it is poses compared to most other psychedelics.
  • Synaesthesia - In its fullest manifestation, this is a very rare and non-reproducible effect. Increasing the dosage can increase the likelihood of this occurring, but seems to only be a prominent part of the experience among those who are already predisposed to synaesthetic states.

Transpersonal effects

While they are occasionally reported, the transpersonal effects produced by this substance seem to be significantly less consistent and reproducible than other psychedelics, which perhaps corresponds with the notably mild changes to one's perceptual and cognitive processes.

Experience reports

Anecdotal reports which describe the effects of this compound within our experience index include:

Additional experience reports can be found here:

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