Ibogaine protocols generally fall into two very different categories, and conflating them leads to a lot of confusion for people researching treatment options. Understanding the distinction between a microdose and a full flood dose matters both for safety reasons and for setting realistic expectations about what each approach can and cannot do.
What a Flood Dose Involves
A flood dose is the protocol most associated with addiction interruption treatment. It involves a substantial single dose, often in the range of 15 to 20 milligrams per kilogram of body weight, administered under medical supervision in a clinical setting. This dose produces an intense, multi-hour psychoactive experience accompanied by physical effects including ataxia (loss of muscle coordination), nausea, and a period of introspective, dream-like consciousness that patients often describe as reviewing memories or life events from a detached perspective. This is the protocol associated with the cardiac risks discussed in medical literature, since the full dose places meaningful stress on the heart's electrical system, which is why flood dose treatment should only occur in a facility with ECG screening and continuous monitoring available.
What Microdosing Looks Like
Microdosing ibogaine involves sub-perceptual amounts, typically a small fraction of a flood dose, taken on a regular schedule rather than as a single intensive session. Some people use microdosing protocols for reported effects on mood, energy, or mild withdrawal symptom management, without the acute psychoactive experience or the extended recovery period associated with flood dosing. The cardiac risk profile for microdosing is generally considered lower given the smaller total exposure, though this does not mean it is risk-free, particularly for anyone with pre-existing heart conditions or who combines it with other substances.
Why the Distinction Matters
These are fundamentally different interventions with different goals, different risk profiles, and different levels of research backing. Flood dosing has decades of informal clinical use behind it specifically for opioid and substance use disorder, while microdosing protocols are newer, less studied, and based more on anecdotal reporting than controlled research. Anyone comparing the two should also understand how ibogaine's effects differ from other plant medicines; a helpful comparison of ibogaine vs ayahuasca is available through Ibogaine Club, which outlines how the experiences, durations, and physiological effects diverge despite both substances sometimes being grouped together under the umbrella of traditional plant medicine.
Choosing Between Approaches
For someone specifically trying to address substance dependence, flood dosing under medical supervision remains the protocol with the most documented outcomes, though it requires the full screening and monitoring infrastructure discussed elsewhere in addiction medicine literature. Facilities like Transcend, run by ibogaine therapy experts, typically structure their programs around the flood dose model precisely because that is where the clinical evidence for addiction interruption is strongest. Anyone considering microdosing instead should approach it with the same seriousness, understanding that lower intensity does not mean the substance becomes a casual wellness supplement, and medical consultation remains advisable regardless of which protocol is under consideration.

