L-Theanine Capsules
The amino acid from green tea, taken for calm focus.
60 capsules
30 day supply
£0.88 per day £0.44 per capsule
Guaranteed additive free
Highest purity
Practitioner grade
Free Standard UK delivery over £50
30 day returns
★★★★★ "I won't go back to high street supplements. The difference in quality is something you can actually feel." Susie
L-theanine is an amino acid found almost only in tea leaves. It is the compound behind the calm alertness people notice from green tea.
Theanine is taken for that same effect without the caffeine, and it is often paired with coffee to take the edge off. It does not cause drowsiness.
Each capsule provides L-theanine with nothing else apart from the vegetable shell. It is often chosen by people who want it in a measured dose rather than from many cups of tea.
| Each capsule contains: | %NRV* | |
|---|---|---|
| L-Theanine | 200 mg | † |
† Nutrient Reference Value (NRV*) not established
Suitable for men.
Suitable for women.
Consult your healthcare practitioner before use if pregnant or breastfeeding.
Suitable for vegetarians.
Suitable for vegans.
No gluten containing ingredients.
No nut containing ingredients.
No dairy containing ingredients.
If you are taking prescribed medicines or under medical supervision, consult your healthcare practitioner before use.
Store in a cool dry place.
Keep out of reach of children.
This information is not a substitute for advice from a healthcare practitioner.
This product should not be used as a substitute for a varied diet.
Once opened, consume within 3 months.
This product is in stock. Orders placed before 3pm on a working day are dispatched the same day.
UK Standard Delivery (Royal Mail Tracked 48, 2 to 4 working days) is £3.95, or free on orders of £50 or more. Express Delivery (Tracked 24, 1 to 2 working days) is £5.65, free on orders of £80 or more. Next Day Delivery (Royal Mail Special Delivery) is £8.50, free on orders of £120 or more; order before 2pm on a working day for next-working-day arrival. We dispatch Monday to Friday.
Delivery and worldwide shipping options are shown at checkout, with duties and taxes included.
Unopened items in their original packaging can be returned within 30 days of delivery.
Quality promise
Why clinical grade matters
- ✓ GMP certified, pharmaceutical grade manufacturing
- ✓ Made in UK cleanroom facilities, ISO 9001 & ISO 14001 accredited
- ✓ No fillers, binders or additives, only active ingredients
- ✓ Fully traceable from raw material to finished product
- ✓ Non-GM, non-irradiated, 100% green energy manufacturing
Evidence
What the research shows
Our Health Reference Library is an ever-growing collection of peer-reviewed research and health guidance.
Also in: Supplements for sleep, Supplements for stress
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Frequently asked questions
What is Theanine good for?
Theanine provides amino acids that serve as building blocks for proteins.
When should I take amino acids?
Often best on an empty stomach for optimal absorption.
Can I take this with protein?
Yes, though taking separately may improve absorption.
Is this L-theanine, and does the form matter?
Yes. The capsules contain L-theanine, the form found in green tea and used in the research. There is no active or coenzyme form to look for with theanine. What varies between products is the dose per capsule and what else is in the capsule; this one contains L-theanine and the vegetable capsule only.
Who is L-theanine best for?
People who have read the theanine research and want the 200 mg dose it used, people who want to try it with or without caffeine and judge the difference for themselves, and anyone who wants a single-ingredient capsule with a stated dose. There is no authorised health claim for L-theanine, so Nutri Tailor does not promise an outcome from it.
What is L-theanine?
An amino acid found almost only in tea leaves, part of what gives green tea its savoury taste. It is not built into proteins. A cup of green tea contains a few tens of milligrams; each capsule contains 200 mg.
Why capsules rather than tablets?
Tablets need binders, fillers and a coating to hold their shape. A capsule is a cellulose shell around the powder, so it carries no binders and breaks down quickly once swallowed.
