As of 2026 there is not one completed or registered human trial
The search was limited to studies published between January 1990 and December 2022, and only English-language articles were included
PMID: 88 ZhaoTTangHXieLZhengYMaZSunQet al
In more severe cases, surgery followed by months of physiotherapy may represent the most appropriate course of treatment
For someone with ADHD, a combination of L-theanine (say 200 mg) and a low dose of caffeine might improve focus essentially mimicking a gentler form of a stimulant
For this reason, so-called incretin analogues have been developed in recent years, these are drugs that, like the intestinal hormone GLP-1, lead to the release of insulin in the pancreatic beta cells and at the same time reduce the feeling of hunger in the brain