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$33.99
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$57.99
Home/Health & Personal Care/Medication & Treatments/Over-the-Counter Medication/Stress & Anxiety Relief
L theanine Supplements (30) | 250mg l-theanine Powder per Capsule - 1 A Day | GABA Supplements Support | Aids Relaxation Without Sedation | 1 Month Supply | Lab-Tested
★★★★★
$57.99
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2 availableSize: 30 count (Pack of 1)
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1
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About this item
- Natural 250mg L-Theanine Supplement — 1-a-Day: Each capsule delivers 250mg of L-theanine, a natural nutrient found in green tea that promotes calm and relaxation without sedation. Each pack provides a 30-day supply, offering convenient, daily support for anyone seeking a natural way to support relaxation.
- GABA Supplement Support: L-theanine increases the levels of your relaxing brain chemical GABA. GABA is a neurotransmitter that helps balance and calm neural activity and promotes feelings of calm.
- Fast-Acting L-Theanine Capsules: Our non-sedative L-theanine capsules deliver the equivalent theanine content of 15–20 cups of green tea in a single dose. L-theanine has been shown to increase GABA levels, promoting calm and relaxation within 30 minutes of ingestion.
- Ideal For: L-theanine is ideal for anybody looking to relax and unwind but maintain mental performance and clarity. Suitable for unwinding after work, public speaking, nervous travellers, or anyone looking for a natural relaxant.
- Pure L-Theanine: This is a standalone L-theanine supplement — not combined with lemon balm, which has shown no synergistic benefit. It is also not a synthetic L-theanine such as Suntheanine (Now Foods), Higher Nature, or Jarrow. brain feed ensures the high quality of our extracts and isolates through rigorous testing. Our natural l-theanine supplement is free from unnecessary bulking agents and are manufactured in an FDA-registered facility in the UK under strict GMP, ISO 9001, and ISO 22000 certified conditions, and third-party lab tested.
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What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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