L-theanine — the calm-focus amino acid at the heart of 2026's melatonin-free sleep stacks. Capsules, powders and combinations.
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Vendor:Riyuetian
Riyuetian Organic Ashwagandha Gummies with Turmeric, L-Theanine, Vitamin B12 & KSM-66
Meet Riyuetian Organic Ashwagandha Gummies Riyuetian brings you a convenient, delicious way to incorporate a robust herbal blend into your daily routine. Each serving combines a potent dose of ashwagandha root extract with turmeric, chamomile, maca, L-Theanine, lemon balm, GABA, magnesium, sodium, and Vitamin...- £41.03
- £41.03
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Vendor:ONNIT
ONNIT Alpha Brain Nootropic Capsules – 360 Capsules, 4-Pack, IGEN Non-GMO, L-Theanine & B6, Alpha GPC
OverviewONNIT Alpha BRAIN is a caffeine free nootropic set designed to support memory, focus, and mental clarity during demanding days. This four bottle pack includes 90 capsules per bottle, totaling 360 capsules, and carries IGEN Non-GMO Tested verification to help confirm label claims and...- £292.92
- £292.92
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Vendor:Remade
Remade Natural Sleep Aid Without Melatonin – Ashwagandha, L-Theanine, Apigenin & Glycine
Remade Natural Sleep Aid — Melatonin-Free Formula Meet a melatonin-free sleep companion designed to ease the transition from busy days to restful nights. Remade blends Ashwagandha, L-Theanine, Apigenin, and Glycine into a smooth, approachable mix that fits easily into most bedtime routines. With a...- £93.64
- £93.64
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Vendor:Pure Encapsulations
Pure Encapsulations L-Theanine – Relaxation & Stress Support, 60 Capsules
Calm, Focused Moments, Without Drowsiness Pure Encapsulations L-Theanine is an amino acid supplement designed to help you experience a gentle sense of calm while staying alert. Crafted for both men and women, it fits into daily routines—from morning tasks to evening wind-down—without creating heaviness...- £84.33
- £84.33
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Vendor:SAKARA
SAKARA Serene State Stress Relief Gummies – Fast-Acting Calm with Zembrin® & L-Theanine (56 Gummies)
Fast-acting calm that fits your day SAKARA Serene State Stress Relief Gummies are designed to work in as little as 2 hours, offering a non-drowsy path to a calmer mindset. The wildberry formula blends clinically studied ingredients with a tasty, easy-to-take bite that fits...- £83.78
- £83.78
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Vendor:Pure Encapsulations
Pure Encapsulations Cortisol Calm – Supports Cortisol Health & Relaxation | Ashwagandha & L-Theanine | Restful Sleep | 60 Capsules
Cortisol Calm: Balanced daily support Pure Encapsulations Cortisol Calm is formulated to support a balanced cortisol response during occasional stress. The formula blends herbal extracts with targeted nutrients to fit into everyday routines while prioritizing a clean label free from common allergens. In real...- £72.82
- £72.82
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Vendor:Allergy Research Group
Nutricology ZenMind Supplement by Allergy Research Group — Calming Support with GABA & L-Theanine, 120 Vegetarian Capsules
Calming Support for Day or Night Nutritionally balanced and non-drowsy, the Nutricology ZenMind supplement from Allergy Research Group is designed to bring a gentle sense of calm to everyday moments. Built for busy mornings, focused work sessions, evenings winding down, or any time you...- £76.86
- £76.86
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Vendor:SFI Health
SFI Health Klaire Labs Stress Support Complex – Adaptogenic Blend with GABA, L-Theanine & Valerian | No Dairy or Wheat (180 Capsules)
Calm, balanced days start hereMeet SFI Health Klaire Labs Stress Support Complex, a thoughtfully crafted adaptogenic blend designed to support moments of tension and occasional sleeplessness. The formula combines time-honored herbs with a gentle amino acid profile, all in a clean, dairy-free and wheat-free...- £81.58
- £81.58
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Vendor:PUREHEALTH RESEARCH
PUREHEALTH RESEARCH Stress Release Complex – Mood Support Supplement for Women & Men | Ashwagandha, L-Theanine, Lemon Balm | 90 Capsules
Discover daily calm with Stress Release Complex Life can pile up quickly, and occasional stress can influence mood, focus, and energy. PUREHEALTH RESEARCH Stress Release Complex blends select adaptogens with soothing amino acids to support a balanced routine as part of a healthy lifestyle....- £77.20
- £77.20
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Vendor:PreSleep
PreSleep Natural Sleep Powder – Melatonin-Free, Magnesium Glycinate & L-Theanine | 30 Servings
PreSleep Natural Sleep Powder Meet PreSleep, a melatonin-free sleep powder designed to quiet restless thoughts and help you drift toward rest without next-day grogginess. The formula blends magnesium glycinate, L-theanine, and glycine to support a calm mind and relaxed body as evening settles in....- £67.33
- £67.33
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Vendor:SEASON34
SEASON34 Menopause Mood & Memory Support for Women 40+ | Non-Hormonal, Doctor-Formulated | Bacopa, L-Theanine, GABA & Ashwagandha | 60 Capsules
Overview and purpose SEASON34 Menopause Mood & Memory Support is a non-hormonal, doctor-formulated daily supplement crafted for women 40 and older who notice shifts in memory, focus, or mental clarity during perimenopause and menopause. The blend is designed to fit into an uncomplicated daily...- £67.33
- £67.33
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Vendor:Research Verified
Research Verified GABA+ | Relaxation & Sleep Support - 600mg GABA, L-Theanine, L-Arginine, BioPerine - 60 Vegan Capsules
Calm, Focused Days and Restful Nights Research Verified GABA+ is an advanced supplement crafted to help you unwind after a busy day. It blends GABA with carefully chosen co-factors to create a gentle, non-intrusive path toward calmer evenings and smoother transitions into sleep. The...- £65.15
- £65.15
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Vendor:Quantum Nutrition
Quantum Relax and Slumber – Sleep Support with Magnesium Malate, L-Theanine & Valerian Root | Quantum Nutrition Labs
Calm days, restful nights Quantum Relax and Slumber blends Magnesium Malate and L-Theanine with a natural herbal complex to support a tranquil mindset during the day and a restful night’s sleep. This gentler formula is designed to fit into everyday routines for both women...- £67.71
- £67.71
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Vendor:PWDRS
PWDRS Snooze Sleepy Time Hot Chocolate | All-Natural Sleep Support with Magnesium Glycinate, L-Theanine, Chamomile
Overview PWDRS Snooze Sleepy Time Hot Chocolate is a comforting, all natural drink mix crafted for evenings. Designed to fit into a calming bedtime routine, it pairs a rich chocolate experience with thoughtfully chosen ingredients. While not a medical solution, this blend aims to...- £59.66
- £59.66
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Vendor:Reignite Wellness
Reignite Wellness Sleep Candy by JJ Virgin | Chewable 5-HTP with Melatonin & L-Theanine – Lemon Flavor | 60 Tablets
Feel-good sleep support that fits your life Meet Sleep Candy, a lemon-flavored, chewable evening companion designed for adults seeking a calm, quiet transition to night. From Reignite Wellness by JJ Virgin, this duo-tablet serving is crafted to fit into a simple bedtime routine, offering...- £62.03
- £62.03
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Vendor:Sacred Lotus
Sacred Lotus Dawn Patrol Matcha — Ceremonial Grade with Lion’s Mane, L-Theanine, Moringa & Turmeric | 30 Servings
Dawn Patrol: A Morning Matcha with Functional Flair Sacred Lotus Dawn Patrol blends ceremonial-grade matcha with a thoughtfully chosen mix of adaptogenic-inspired ingredients to create a cup that feels both bright and balanced. The aroma greets you with fresh-green notes, the color gleams a...- £56.38
- £56.38
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Vendor:Orinthalixium
Orinthalixium Telomere Lengthening Supplements – Organic Astragalus, Gotu Kola, Vitamin D3, Folate, L-Theanine | 2-Bottle Vegan Pack
Holistic telomere wellness in one daily capsule Orinthalixium Telomere Lengthening Supplements bring together Organic Astragalus, Gotu Kola, Vitamin D3, Folate, Magnesium, and L-Theanine in 60 vegan capsules per bottle. Manufactured in Japan to exacting standards, this two-bottle pack is designed for daily use as...- £51.99
- £51.99
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Vendor:Riize
Riize Sleep Strips: Fast-Acting 5 mg Melatonin with Valerian & L-Theanine (30 Count) – Vegan
Overview Riize Sleep Strips offer a compact, water-free approach to winding down. Packaged in a 30-count bottle, this vegan-friendly option blends a thoughtful mix of ingredients designed for discreet use at home or on the go. The strips dissolve rapidly under the tongue, delivering...- £42.12
- £42.12
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Vendor:Premier Research Labs
Premier Research Labs L-Theanine 200mg – Focus & Calm Energy
Calm focus, everyday clarity Discover a clean, double-strength L-Theanine designed to support a balanced, alert state. This targeted formula delivers 200 mg per capsule to help you feel composed, attentive, and ready for what the day brings—without the jitters or heaviness associated with other...- £40.10
- £40.10
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Vendor:reset wellness
Reset Wellness Adjust+ | Adaptogen Stress Support with Holy Basil, Panax & Siberian Ginseng, Phosphatidylserine, L-Theanine, Vitamins B & C | 60 Capsules
Discover Adjust+ — a thoughtfully crafted adaptogen blend Reset Wellness Adjust+ combines Holy Basil, Panax Ginseng, Siberian Ginseng, Phosphatidylserine, L-Theanine, and essential vitamins to support how your body adapts to daily stress. The goal is to promote a steady energy baseline, clearer thinking, and...- £58.57
- £58.57
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