Some nootropics may cause gastrointestinal side effects, including diarrhea, in some individuals. This may be due to a variety of factors, including individual differences in gut health and microbiome composition, as well as the specific mechanisms of action of the nootropic compound.
Some nootropics that may potentially cause diarrhea as a side effect include:
- Racetams - a class of nootropics that are thought to increase acetylcholine activity in the brain, which can affect digestive processes in some individuals.
- Caffeine - a stimulant that can increase gut motility and cause diarrhea in some individuals, especially at high doses.
- Ginkgo Biloba - an herbal supplement that has been reported to cause gastrointestinal side effects in some individuals, including diarrhea.
It's important to note that not everyone will experience gastrointestinal side effects from these or other nootropics, and any adverse effects should be monitored and reported to a healthcare professional. If you experience diarrhea or any other side effects from a nootropic supplement, it may be helpful to adjust the dose or discontinue use under the guidance of a healthcare professional.