L-théanine supplement bottle by Kasha Nutrition, 150 gélules, NPN 80139018
Sommeil et relaxation· NPN 80139018

L-théanine

150 gélules

250 mg de L-théanine par capsule, l'acide aminé naturellement présent dans le thé.

6 peer-reviewed studies informed this formulation
NPN licenced Third-party tested every lot GMP-certified Canadian facilities 60-day first-order satisfaction policy
  • Non-GMO
  • Vegan
  • Gluten-Free
  • Cruelty-Free
  • Recyclable
Kasha Nutrition L-Theanine bottle — Health Canada NPN 80139018
L-théanine
$21.97
Add to Cart
● Health Canada NPN Registered
● Third-Party Tested Every Lot
● GMP-Certified Canadian Facility
● 60-Day Money-Back Guarantee
Why this formula

Standardized inputs. Precision dosing.

La L-théanine est un acide aminé non protéique que l'on trouve naturellement dans les feuilles de thé. Elle a été étudiée pour son rôle dans la relaxation temporaire.

Chaque capsule contient 250 mg de L-théanine, la dose utilisée dans les recherches publiées sur la relaxation. La capsule peut être prise à tout moment de la journée, avec ou sans nourriture.

Homologué NPN sous le numéro 80139018. Chaque lot est testé par un laboratoire canadien indépendant. Prendre régulièrement. Comme pour tous les produits de santé naturels, les expériences varient.

  • 250 mg L-theanine per capsule
  • Non-protein amino acid, naturally found in tea
  • 1 capsule daily, with or without food
  • Vegan HPMC capsule (hypromellose, magnesium stearate, microcrystalline cellulose)
  • NPN 80139018
Research behind this formulation
  • Lu K, Gray MA, Oliver C et al. (2004). Human Psychopharmacology 19(7):457-465.
  • Kimura K, Ozeki M, Juneja LR et al. (2007). Biological Psychology 74(1):39-45.
  • Song CH, Chung KI, Song SW et al. (2002). Korean Acad Fam Med 23(5):637-645.
  • Kobayashi K, Nagato Y, Aoi N et al. (1998). Kaishi 72(2):153-157.
  • Hidese S, Ogawa S, Ota M et al. (2019). Nutrients 11(10):2362.
  • Evans M, McDonald AC, Xiong L et al. (2021). Neurology and Therapy 10(2):1061-1078.

Studies provided for educational context. Product claims are limited to those reviewed under each product's NPN.

How & when to use

A simple daily routine.

01

1 capsule daily

Take 1 capsule daily, with or without food. There's no wrong time of day.

02

Anytime works

Some take it in the morning, others in the afternoon when stress builds. Pick what fits your routine.

03

Consistent timing

Pick a time that fits your routine and stick with it. Daily consistency matters more than precise timing.

04

Give it 4 to 8 weeks

Take it consistently for 4 to 8 weeks. Like all natural health products, experiences vary.

Compare

How Kasha compares.

An honest read on what's standard in the category, including where alternatives are perfectly fine.

Kasha
Drugstore brand
Premium DTC
Standardized extract
✓
-
✓
Dose to research range
✓
Low
Mid
Third-Party Tested Every Lot
✓
Periodic
✓
Health Canada NPN registered
✓
✓
-
Made in Canada
✓
Often
Rarely
Price per serving
From $0.10
$0.20-$0.40
$0.80+

Structure-function framing only, efficacy is not implied by third-party testing or NPN licensing.

Common questions about this product

What people ask before buying.

More questions live on the FAQ hub →

Is it for adults?

Yes, the licensed dose is for adults 18+.

Can I take it with my medications?

Talk to your healthcare provider first. They know your history and can help you decide whether L-theanine fits alongside what you're already taking.

Can I take it alongside other supplements?

Talk to your healthcare provider before combining supplements. Once you've got the green light, introduce one product at a time so you can see how your body responds.

When's the best time to take it?

There's no wrong time. Many people take it in the morning with coffee, others in the afternoon when stress builds. Pick the time that fits your routine.

Can I take more than one capsule a day?

The NPN-licensed dose is 1 capsule (250 mg) daily. If you're considering a higher dose, talk with your healthcare provider first.

Do you offer larger bottles or subscription?

Our current size is 150 capsules. For Subscribe & Save and bulk discounts, visit our Amazon storefront.

What if it doesn't agree with me?

If your first bottle isn't the right fit, email info@kashanutrition.com with your order ID. Our 60-day first-order satisfaction policy covers a full refund to your original payment method (3 to 5 business days, depending on your bank).

Often paired with

Customers stack this with.

Ashwagandha + L-Théanine by Kasha Nutrition, NPN 80123260
Sommeil et relaxation

Ashwagandha + L-Théanine

60 ou 120 gélules

Aide à la relaxation temporaire.
$17.97Options →
60d
Money-Back Guarantee, Open or Unopened
NPN
Health Canada Registered & Reviewed
GMP
Manufactured In a GMP-Certified Canadian Facility
3PT
Third-Party Tested Every Lot