






💼 Elevate your focus and calm—because your hustle deserves premium support.
Nutricost L-Theanine 200mg offers a double-strength, clean, and convenient supplement designed to promote relaxation and mental clarity. Packaged with 240 capsules, it ensures a long-lasting supply of a non-GMO, gluten-free formula manufactured under strict GMP and FDA standards, perfect for professionals seeking balanced wellness.








| ASIN | B0731JC54K |
| ASIN | B0731JC54K |
| Additives | L-Theanine |
| Age Range Description | Adult |
| Best Sellers Rank | #399 in Health ( See Top 100 in Health ) #57 in Vitamins, Minerals & Supplements |
| Brand | Nutricost |
| Customer Reviews | 4.7 4.7 out of 5 stars (2,619) |
| Customer reviews | 4.7 4.7 out of 5 stars (2,619) |
| Date First Available | 12 September 2019 |
| Format | Capsule |
| Is Discontinued By Manufacturer | No |
| Manufacturer | Nutricost |
| Manufacturer reference | NC-LTHEAN240 |
| Product Dimensions | 4.6 x 6.2 x 11.5 cm; 110.56 g |
| Serving Recommendation | Two Capsules |
| Units | 240 Count |
L**E
As described
It’s good supplement… works for me
A**V
It works on me.
It works on me.
A**R
My Daily ADHD-Friendly Focus Support
I've been taking L-Theanine every morning on an empty stomach, and it's been a great experience. It's very gentle on the stomach and doesn't make me feel sick at all. I’ve noticed a nice boost in the mornings, less brain fog, and better focus and concentration throughout the day. As someone with ADHD who doesn’t take prescription medication, this has been a really helpful option. It genuinely works for me, and I highly recommend it!
A**A
Good and absorbent
Excellent product!
I**A
Cannot take coffee without l-theanine anymore
I like it, I feel it helps me if I take it with coffee
C**S
Excelente me ha ayudado mucho estoy más concentrada la tomamos todos en casa
N**.
La verdad, no he sentido cambios en mi organismo, tal vez si me está ayudando, pero, no siento mucho que digamos.
E**R
Nutricost’s L-Theanine has become a go-to for staying calm without crashing. The 200mg dose hits that perfect balance — enough to smooth out tension and overthinking, but not so much that you feel sleepy or slow. I’ve been pairing it with coffee in the morning and using it solo during high-stress afternoons. It keeps the mind sharp and anxiety in check. No jitters, no emotional fog — just calm, clean focus. The 240-count bottle is a solid value. One bottle lasts a long time, and every capsule has been consistent in quality. Pros: Smooths stress and promotes focus without drowsiness Pairs well with caffeine for balanced energy Noticeable effects within 30–60 minutes No weird taste or smell Excellent value for the capsule count Cons: Capsules are a little big — not a huge deal but worth noting Effects build with consistent use — don’t expect a miracle off one dose Bottom Line: If you’re looking for something that keeps you calm, focused, and steady — especially in high-pressure environments — this is one of the best tools out there. Clean, effective, and reliable.
J**I
I grabbed Nutricost L-Theanine 200mg because I wanted to feel calm without turning into a monk or hugging a tree. Spoiler: it works. Why This Supplement Deserves a Chill Medal: Double Strength = Double Chill: One capsule and I go from “why is my email on fire” to “huh… maybe my inbox can wait” in like 30 minutes. Instant calm, no chanting required. 240 Capsules = Zen for Days: Honestly, I might outlive all my stress with this supply. I feel like I could survive a family reunion and a Black Friday sale without breaking a sweat. No Weird Side Effects: Unlike my attempts at meditation, this doesn’t involve falling asleep in awkward positions or drooling on the floor. Focus + Calm Combo: It’s like my brain turned down the panic volume but kept the productivity playlist going. Tiny Quibbles (Because Nothing’s Perfect): Hard to Share: My partner tried one and immediately asked for more. Apparently, calm is contagious… and addictive. Not Instant Enlightenment: It’s great, but it won’t make me levitate or solve existential mysteries. I’m still working on step two: the “inner peace while on Zoom calls.” Bottom Line: If you want to tame stress, stay alert, and pretend you’re a zen master without actually joining a monastery, these Nutricost L-Theanine capsules are your new BFF. Highly recommend for anyone whose “chill button” has gone missing.
R**N
I don’t meditate. I don’t chant. And I definitely don’t do yoga. But thanks to Nutricost L-Theanine, I can now sit through back-to-back meetings without stress-spiraling into existential dread. The 200mg dose is right in the clinical sweet spot—calms the mind without dulling it. Taken solo, it smooths out the cortisol spikes of modern life. Paired with caffeine, it’s like flipping the switch from “shaky overdrive” to smooth, focused alertness. No drowsiness. No mental fog. Just GABA-mediated calm and alpha-wave clarity, backed by solid neuroscience. With 240 capsules, this bottle is practically a long-term mental insurance policy. No taste, no fillers, no gimmicks—just reliable, fast-acting theanine. If your brain is stuck in high gear or your nervous system’s on a tightrope, this is the supplement you want in your daily rotation. Verdict: Clinically sound. Cost-effective. Consistently calming.
Trustpilot
2 weeks ago
2 months ago