Ashwagandha vs L-Theanine for anxiety
Short answer: For anxiety, users rate them about the same: 88% report improvement with Ashwagandha (871 reports) and 91% with L-Theanine (1278 reports).
Ashwagandha has 48 meta-analyses and 59 randomized trials on PubMed; L-Theanine has 18 and 78.
Based on 2,426 reports about Ashwagandha and 3,445 about L-Theanine. Not medical advice.
| Ashwagandha Supplement | L-Theanine Supplement | |
|---|---|---|
| User score | 49 | 54 |
| Verdict | Mixed | Mostly positive |
| Positive of reports that state an outcome | 44% | 65% |
| Reports | 2,426 | 3,445 |
| Research | AResearch: Strong | AResearch: Strong |
| Meta-analyses / RCTs | 48 / 59 | 18 / 78 |
| Mainly used for | ||
| Weight loss % reporting improvement | 100% (3) | — |
| Appetite % reporting improvement | 50% (2) | 100% (2) |
| Focus % reporting improvement | 64% (61) | 88% (496) |
| Energy % reporting improvement | 53% (124) | 68% (97) |
| Sleep % reporting improvement | 77% (230) | 78% (368) |
| Anxiety % reporting improvement | 88% (871) | 91% (1278) |
| Mood % reporting improvement | 53% (441) | 77% (222) |
| Memory % reporting improvement | 75% (8) | 67% (12) |
| Performance % reporting improvement | 90% (29) | — |
| Recovery % reporting improvement | 100% (6) | — |
| Pain & inflammation % reporting improvement | 75% (8) | 100% (5) |
| Digestion % reporting improvement | 40% (5) | — |
| Libido % reporting improvement | 63% (126) | 25% (12) |
| Hormones % reporting improvement | 76% (85) | 50% (2) |
| Blood sugar % reporting improvement | 50% (2) | — |
| Heart & lipids % reporting improvement | 50% (6) | 88% (8) |
| Skin & hair % reporting improvement | 50% (4) | — |
| Immunity % reporting improvement | 67% (3) | 100% (2) |
| Common side effects | anhedonia, drowsiness, anxiety, fatigue | drowsiness, brain fog, vivid dreams, fatigue |
| Typical dose reported | daily (past) | 200 mg / bedtime |
The current systematic review and dose-response meta-analysis of RCTs revealed a beneficial effect in both stress and anxiety following Ashwagandha supplementation. However, further high-quality studies are needed to firmly establish the clinical efficacy of the plant.
Phytother Res, 2022 ↗“I paired it with maca and ashwaganda and it legit felt like a steroid cycle.”
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