L-theanine — the calm-focus amino acid at the heart of 2026's melatonin-free sleep stacks. Capsules, powders and combinations.
-
Vendor:Solira
Solira BrainStack Premium Brain Supplement for Women – Lion’s Mane, Alpha-GPC & L-Theanine, USA-Made
Solira BrainStack: premium brain support for women Solira BrainStack is designed for women who juggle careers, family, and personal goals. This USA-made formula aims to support clean energy, daily clarity, and steady focus across busy days, without relying on harsh stimulants. Each bottle provides...- £78.29
- £78.29
- Unit price
- per
-
Vendor:ALFA VITAMINS
Sleep Shot by Alfa Vitamins - 10 mg Melatonin, L-Theanine, Vitamin B6 | 2.5 oz Shot Bottle, 20 Pack
Effortless nights start with Sleep Shot Sleep Shot by Alfa Vitamins is a compact 2.5 oz bottle containing a ready-to-drink nightly shot. With melatonin at 10 mg, L-Theanine, Vitamin B6, and Passionflower, the blend is designed to support a calm, winding-down routine. No mixing...- £93.33
- £93.33
- Unit price
- per
-
Vendor:Waterboy
Waterboy Weekend Recovery Variety Pack | 3,200mg Electrolyte Powder Packets | Ginger + L-Theanine + Vitamins | No Sugar | Gluten Free | 24 Sticks
Meet Waterboy Weekend Recovery Waterboy Weekend Recovery Variety Pack is a purpose-built electrolyte mix designed for adults who want a thoughtful, convenient way to hydrate after long days or active weekends. Each sip blends electrolytes with ginger and L-theanine, plus a set of essential...- £67.33
- £67.33
- Unit price
- per
-
Vendor:SMARTERNUTRITION
SMARTERNUTRITION Smarter Magnesium Complex - Chelated Glycinate, Citrate, Malate & L-Theanine for Sleep & Relaxation - 360 Tablets (180-Day Supply)
Why choose Smarter Magnesium Complex Smarter Magnesium Complex blends four forms of magnesium chosen for gentle absorption and broad support. The core is magnesium glycinate chelate, noted for high bioavailability and stomach-friendly properties. Magnesium citrate contributes to easy absorption, magnesium malate supports energy metabolism...- £71.67
- £71.67
- Unit price
- per
-
Vendor:STRIPPIES
STRIPPIES Dissolvable Sleep Strips – Fast-Acting Melatonin 5mg with L-Theanine, Lavender, Chamomile, Hibiscus & Valerian – Cranberry Flavor – 90 Strips
Calm, Convenient Wind-Down for Bedtime and Travel STRIPPIES Dissolvable Sleep Strips offer a quick, discreet way to transition toward rest. Each strip blends a measured melatonin dose with a botanical lineup—L-Theanine, lavender, chamomile, hibiscus, and valerian—designed to create a gentle, soothing moment at the...- £86.49
- £86.49
- Unit price
- per
-
Vendor:VitaDreamz
VitaDreamz Premium Melatonin Sleep Gummies | Advanced Nighttime Blend with GABA, L-Theanine & Chamomile | 60 Count
Elevated nighttime support in a tasty, clean-label gummy VitaDreamz Premium Melatonin Sleep Gummies offer a thoughtfully designed nighttime blend that helps you wind down as day fades. The Slumber Berry flavor delivers a pleasant, sugar-free chew with a soft texture, making your nightly routine...- £69.80
- £69.80
- Unit price
- per
-
Vendor:THORNE
THORNE Theanine 200mg | Relaxation, Focus & Stress Support – 90 Capsules
THORNE Theanine 200 mg: Calm focus for everyday tasks Discover a premium L-Theanine formula designed to support a composed, alert mind across work, study, and personal routines. Each capsule delivers 200 mg of L-Theanine, a naturally occurring amino acid chosen for its potential to...- £87.07
- £87.07
- Unit price
- per
-
Vendor:TruHeight
TruHeight Sleep Gummies for Kids & Teens | Natural Sleep Aid with Melatonin, Ashwagandha & L-Theanine
TruHeight Sleep Gummies are designed for kids and teens seeking a gentle, natural bedtime routine. The formula blends four active ingredients—melatonin, L-Theanine, Lemon Balm, and Ashwagandha—with a kid-friendly 1 mg melatonin dose to support calm evenings and a restful night. The result is a...- £100.22
- £100.22
- Unit price
- per
-
Vendor:SMARTERNUTRITION
Smarter Magnesium Complex – Chelated Magnesium Glycinate + Citrate + L-Theanine for Sleep
Smarter Magnesium Complex: A balanced blend for sleep, relaxation, and everyday muscle comfort Smarter Magnesium Complex combines four highly absorbable forms of magnesium in a gut-friendly blend, designed to support a smoother transition between day and night and to help you move comfortably through...- £128.65
- £128.65
- Unit price
- per
-
Vendor:ReviNutra
ReviNutra 2 Pack Kids Magnesium Gummies – Apple Kiwi, Sugar Free, L-Theanine & Chamomile
Overview ReviNutra’s 2 Pack Kids Magnesium Gummies blend a magnesium glycinate base with calming botanicals and essential vitamins, designed to fit into busy family routines. Each pair of gummies delivers 400 mg of magnesium, offering a convenient way to support everyday muscle function, bone...- £47.60
- £47.60
- Unit price
- per
-
Vendor:OFF BY PSICOESPACIO
OFF BY PSICOESPACIO Night Time L-Theanine & Melatonin Sleep Aid for Adults — Relaxation, Sleep Quality (60 Count)
Gentle, natural sleep support for adults OFF BY PSICOESPACIO Night Time L-Theanine with Melatonin offers a thoughtful approach to nightly rest. This blend is built for adults who want a calm transition from wakefulness to sleep, without the heaviness of traditional sleep aids. The...- £53.08
- £53.08
- Unit price
- per
-
Vendor:NZE
NZE Caffeine Nootropic Pouches (Strawberry Kiwi) – 50mg Caffeine, Alpha GPC, L-Tyrosine & L-Theanine | No Sugar | Nicotine-Free | 15 Pouches/Can | 5-Pack
Elevate Your Routine with NZE Caffeine Nootropic Pouches Meet a smarter way to refresh your focus and energy. NZE Caffeine Nootropic Pouches in Strawberry Kiwi blend a clean caffeine boost with nootropic ingredients, delivering 50 mg of caffeine per pouch along with Alpha GPC,...- £50.89
- £50.89
- Unit price
- per
-
Vendor:PurePix
PurePix QuitPix: Nicotine-Free Flavored Toothpicks with NAC & L-Theanine – 5 Flavor Variety Pack
Discover QuitPix: a nicotine-free flavor experience designed for everyday mindfulness PurePix QuitPix flavored toothpicks offer an elevated, nicotine-free option to keep your mouth engaged and refreshed. The extra-thick toothpicks deliver a satisfying tactile bite, while the carefully balanced flavors awaken the senses. Infused with...- £50.89
- £50.89
- Unit price
- per
-
Vendor:Primal Prelude
Primal Prelude Caffeine-Free Nootropic Pouches with Ginkgo Biloba & L-Theanine | 20 Wintergreen Pouches
Elevate focus without caffeine or sugar Primal Prelude introduces a discreet, caffeine-free nootropic option designed for clear thinking and steady concentration. Each Wintergreen-flavored pouch pairs Ginkgo Biloba, Bacopa Monnieri, and L-Theanine to create a calm, focused experience that fits into any daily routine—whether you’re...- £50.89
- £50.89
- Unit price
- per
-
Vendor:Sijigood
Sijigood 180 Count Ashwagandha Gummies 2500mg | L-Theanine & GABA for Daily Calm
Daily Calm and Balance in a Tasty Gummy Sijigood 180 Count Ashwagandha Gummies offer a high-potency daily option for mindful living. Each serving provides 2500mg of ashwagandha extract, paired with L-Theanine and GABA to support a calmer headspace and a more centered response to...- £46.39
- £46.39
- Unit price
- per
-
Vendor:ReviNutra
ReviNutra 2 Pack Kids Magnesium Glycinate Gummies with L-Theanine, Chamomile, Vitamin D & B6 – Sugar Free Peach & Mango
Meet ReviNutra 2 Pack Kids Magnesium Glycinate Gummies, a tastier way to support daily wellbeing for growing kids and active adults alike. Each serving of two gummies delivers 400 mg of magnesium glycinate in a center-filled formula, designed for a smooth chew and dependable...- £47.60
- £47.60
- Unit price
- per
-
Vendor:ReviNutra
ReviNutra 2 Pack Magnesium Gummies for Kids & Adults – Magnesium Glycinate with L-Theanine & Chamomile – Sleep, Muscle & Nerve Support – Strawberry 120ct
ReviNutra’s 2 Pack Magnesium Gummies blend magnesium glycinate with soothing add-ins like L-Theanine, chamomile, licorice, vitamin B6 and vitamin D. Each two-gummy serving delivers 400 mg of magnesium, supporting muscle comfort, bone development, and a balanced mood as part of a daily routine you...- £45.41
- £45.41
- Unit price
- per
-
Vendor:ReviNutra
ReviNutra 2 Pack Kids Magnesium Gummies with L-Theanine & Vitamin D – Pineapple
Meet ReviNutra's 2 Pack Kids Magnesium Gummies, a chewable magnesium glycinate formula designed for versatile daily use. The pineapple flavored gummies pair magnesium with a thoughtful blend of botanicals and vitamins to support a balanced mood, relaxed afternoons, and active playtime. This product is...- £45.41
- £45.41
- Unit price
- per
-
Vendor:ReviNutra
ReviNutra 2 Pack Kids Magnesium Gummies – L-Theanine, Chamomile, Vitamin D | Sugar Free Raspberry
Two-Pack Calm Magnesium Gummies for Kids and Families The ReviNutra 2 Pack Magnesium Gummies deliver a convenient, tasty way to support everyday wellness. Each serving of two gummies provides 400 mg of magnesium glycinate, paired with mood-friendly and immune-supporting nutrients, all wrapped in a...- £45.41
- £45.41
- Unit price
- per
-
Vendor:ReviNutra
ReviNutra Magnesium Gummies for Kids & Adults | Glycinate, L-Theanine, B6 & D3 for Sleep & Calm
Overview ReviNutra Magnesium Gummies for Kids & Adults combines a gentle magnesium glycinate base with mood and sleep–friendly botanicals in a convenient chewable form. The 2 pack option supports family routines and provides a tasty way to wind down after a busy day. The...- £42.11
- £42.11
- Unit price
- per


































