Aniracetam vs L-Theanine for anxiety
Short answer: For anxiety, users rate them about the same: 92% report improvement with Aniracetam (191 reports) and 91% with L-Theanine (1289 reports).
Aniracetam has 1 meta-analyses and 9 randomized trials on PubMed; L-Theanine has 18 and 78.
Based on 899 reports about Aniracetam and 3,475 about L-Theanine. Not medical advice.
| Aniracetam Supplement | L-Theanine Supplement | |
|---|---|---|
| Users say it helped | 60%helped405 reports · high confidence | 65%helped1,807 reports · high confidence |
| Verdict | Mostly positive | Mostly positive |
| Research | BResearch: Moderate | AResearch: Strong |
| Meta-analyses / RCTs | 1 / 9 | 18 / 78 |
| Mainly used for | ||
| Anxiety % reporting improvement | 92% (191) | 91% (1289) |
| Focus % reporting improvement | 85% (200) | 88% (501) |
| Sleep % reporting improvement | 67% (12) | 78% (370) |
| Mood % reporting improvement | 87% (100) | 77% (223) |
| Energy % reporting improvement | 64% (22) | 68% (97) |
| Common side effects | drowsiness, irritability, fatigue, headache | drowsiness, vivid dreams, fatigue, headache |
| Typical dose reported | 750 mg | 200 mg / bedtime |
The most effective intervention for dementia available is symptomatic treatment for vascular dementia. Antipsychotic treatment for dementia alleviates cognitive dysfunction less effectively than does symptomatic treatment. Alternative therapies are also effective at present. Further research on causes and very early diagnosis of Alzheimer disease is warranted.
Psychopharmacology (Berl), 2018 ↗“Aniracetam: Anecdotally I could feel instantaneous mental improvement within 2-3 days... The most significant improvement was attention... organization, and confidence.”
This meta-analysis provides evidence that theanine plus caffeine, and theanine alone, could be beneficial for cognitive and mood outcomes. More research using tea beverages or tea-equivalent bioactive doses and research in free-living participants is needed.
Nutr Rev, 2025 ↗“This morning was my first time taking this combination along with my other daily vitamins and wow, what a difference it has made in my overall mood and anxiety!”
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Percentages come from first-hand user reports and are not clinical outcomes. Talk to a doctor before starting, stopping or combining anything. How we rate