Conclusion: Additional top genes influence stress, immune, fear and threat-related processes, previously hypothesized to underlie PTSD neurobiology. These findings strengthen our understanding of neurobiological systems relevant to PTSD pathophysiology, while also opening new areas for investigation.
Does Kanna help with anxiety?
Yes, for most people. 88% of 42 people who reported on Kanna for anxiety say it improved. 7% noticed no change and 5% say it got worse. That is about the typical result for anxiety (85% across 95 options).
Anxiety: what users report
88%better42 reports · medium confidence
37 better3 no change2 worse
Ranked #38 of 95 for anxiety.
What people say about Kanna and anxiety
“I feel so happy when it kicks in...great product and prefer it over LM, recommending to my friends!”
“I found kanna to be better than all the Rxs I'd ever taken. 50-100mg 3 to 5 times daily.”
“While I have tried zembrin(Kanna) alone in the past, I got side effects that you normally see in ssris such as fatigue and sexual dysfunction.”
“so far iv had great effects with the substance (300mg sublingual)...There is no crash...compares to phenibut for me”
What the research says
BResearch: Moderate8 meta-analyses · 0 trials on PubMed
Nat Genet · 2024
Genome-wide association analyses identify 95 risk loci and provide insights into the neurobiology of post-traumatic stress disorderNat Genet · 2025
Genome-wide analyses identify 30 loci associated with obsessive-compulsive disorderConclusion: OCD genetic risk was shared with 65 of 112 additional phenotypes, including all the psychiatric disorders we examined. In particular, OCD shared genetic risk with anxiety, depression, anorexia nervosa and Tourette syndrome and was negatively associated with inflammatory bowel diseases, educational attainment and body mass index.
Side effects people mention
drowsiness 2appetite suppression 1brain fog 1agitation 1panic attack 1
What else is Kanna used for?
Information only — not medical advice. How we count