Nutricost

Caffeine with L-Theanine, 240 Capsules

4.8 · 1032 reviews
1,481 ₽

100 mg Caffeine Per Serving 100 mg L-Theanine Per Serving Dietary Supplement Nutricost® Quality Guaranteed Third Party Tested GMP Compliant Facility Non-GMO Product Gluten-Free

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100 mg Caffeine Per Serving 100 mg L-Theanine Per Serving Dietary Supplement Nutricost® Quality Guaranteed Third Party Tested GMP Compliant Facility Non-GMO Product Gluten-Free

Customer reviews

5.0
verified purchase
Alert focus with no jitters

If you’re tired of gushing cash on coffees or energy drinks, then this is a great savings to get the same alert focus with no jitters and at a fraction of the cost. Good bye energy drinks. I’m saving my money for more sports equipment and getting any extra boost I need from Nutricost.

12/31/2024
5.0
verified purchase
Replaced my morning coffee

I recently made the switch from my usual morning coffee to Nutricost Caffeine with L-Theanine, and I couldn't be happier with the decision! As someone who relied heavily on caffeine to kickstart my day, I often found myself dealing with mid-morning jitters and an uncomfortable crash. However, since incorporating these capsules into my routine, I’ve experienced a remarkable transformation. Firstly, the combination of caffeine and L-Theanine is a game-changer. While caffeine provides that much-needed boost in alertness, L-Theanine smooths out the edges, promoting a sense of calm and focus without the nervous energy that coffee sometimes brings. I’ve found that with this product, I can maintain a steady energy level and concentration throughout my morning, which has significantly improved my productivity. The convenience of the capsules cannot be understated either. They’re easy to take and allow for precise dosing, something that can be challenging with liquid coffee. Not to mention, there’s no bitter taste to deal with—just straightforward and effective energy support! Another great aspect is that I no longer suffer from the mid-morning crashes that used to plague my routine. My energy feels more sustained, which has made my mornings much more enjoyable. In summary, I’m genuinely thrilled with Nutricost Caffeine with L-Theanine. It’s effective, convenient, and has truly enhanced my daily experience. I will definitely be ordering again and would recommend this product to anyone looking to reduce jitters while still enjoying the benefits of caffeine. A solid 5-star product!

11/19/2024
5.0
verified purchase
Pure Energy

incredible energy with no side efects. even at 1pill its more than enough.

10/10/2026
4.0
verified purchase

Good to take while studying to stay awake and relaxed

10/4/2026
5.0
verified purchase
Great combo-supplement

High quality combo supplement from Nutricost, with the caffeine effects nicely rounded out by the Theanine. No need to buy to bottles, benefits both the wallet and ease of use. Try not to take these after 12.00, might affect sleep, some more than others, and follow max. dosage recommendations from your doctor.

5/15/2026
5.0
verified purchase

Description 100 mg Caffeine Per Serving 100 mg L-Theanine Per Serving Dietary Supplement Nutricost® Quality Guaranteed Third Party Tested GMP Compliant Facility Non-GMO Product Gluten-Free Suggested use As a dietary supplement, take 1 capsule daily with 8-12 oz of water or as directed by your healthcare professional.

3/30/2026
5.0
verified purchase
Next time without L-theanine

coffein gives me nice feel but with l-theanine i just get so tired. maybe ok in the late afternoon but for sure not before

1/28/2026
5.0
verified purchase
good quality

good quality nice ingredients help to have good sleep and calm mind highly effective for stress relief

12/21/2025
5.0
verified purchase
What an impact!

Honestly, I've felt much more focused since I started taking this. My energy has also stayed steady—no more evening sleepiness that creeps in. Great quality for the price, tasteless, and very cost-efficient, considering the performance it yields. For anyone thinking of buying this, I recommend taking it early in the day, otherwise, there will still be some caffeine left in your system when you go to bed, and that will only make sleep more difficult.

12/3/2025
5.0
verified purchase
Great

Great product. Value for money, high quality product. The benefits of the combination of caffeine and l theanine gives me energy but it does not jittery effects. I take it prior to a workout or a learning bout. The dosage I usually take is one serving and rarely I take two.

11/23/2025