The psychological effects of the DMT and tetrahydroharmine combination are really something to experience. SWIM likes it a lot. He finds the mental state becomes far more focused, and he has more control over the experience. It’s almost like a shield that protects your intellect from getting too lost in the experience. For SWIM it becomes much more nootropic, or “mind expanding” when THH is added to DMT. Instead of that “too much information” effect you sometimes get, SWIM’s mind feels supercharged and able to rapidly process the fast flowing information with ease.
The lengthened duration is also a plus.
For SWIM though, he didn’t find an increase in visual effects with this combination, but a definite increase in meaningful visions were seen.
With 5-MeO-DMT and DMT together there are visuals, but the 5-MeO-DMT darkens them, often making them black and white, almost like they are shadows. But they have content. SWIM tends to see lots of pyramid shaped buildings on alien landscapes with this combination. All dark, with virtually no color at all. The opened eye visual effects are pretty interesting, very swirly, with lots of spatial distortions, sort of LSD-like, but not at all colorful.
SWIM prefers 5-MeO-DMT and DMT taken separately.