Updated: 01 Dec 2025

10 Best bulk supplements l theanines of 2025

Updated: 01 Dec 2025

#1

Best Choice

L Theanine 200mg | 400 Capsules | Value Size | Non-GMO, Gluten Free Supplement | by Horbaach

9.6

Horbäach

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Main highlights

L-THEANINE: Amino acid mostly found in Green Tea leaves and other superfoods

EXPERTLY CRAFTED: Our professional formula is backed by our commitment to purity and potency

ADVANCED FORMULATION: Each quick-release capsule delivers 200 mg of L-Theanine per serving
#2

Best Value

L-Tyrosine Supplement Capsules with L-Theanine 1000mg - 120 Capsules for 2 Months

9.5

WELBUDA

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Main highlights

Top-notch Blend 2in1 Formula: We do not hide anything in the blend; Each formula is transparent and clear; Careful requirements, high accuracy, and third-party involvement, such as 600mg L-Tyrosine powder & 400mg L-Theanine; Each ingredient blends to create a special combination of L-Tyrosine Supplement for your overall well-being.

Simple Use: Taking 2 L-Tyrosine Capsules capsules with water is equivalent to a daily supply of 1000mg for the body. Each purchase will have 120 capsules per bottle for the 2 months. Convenient and suitable for vegetarians.

Great Strength 1000mg Per Serving: L Tyrosine Supplement is from premium sources, and support for relaxed mood, concentration, and Strength Production; Embrace a Life of Fulfillment, enabling you to pursue your goals and dreams while Respecting and Nurturing Your Physical Health.
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#3

BulkSupplements.com L-Theanine Powder - L-Theanine Supplement, L-Theanine 200mg - Amino Amino Supplement, Pure & Gluten Free, 200mg per Serving, 100g (3.5 oz) (Pack of 1)

9.3

BulkSupplements

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Main highlights

️ Supplements for the Brain: Boost your productivity and stay on top of any activity with L-Theanine! This L-Theanine supplement helps make it easier to concentrate, focus, and stay alert - perfect for those who need to remain productive but don't want the taking of other supplements!

️ Pure & No Unwanted Extras: Keep your health and wellness in check with out Theanine powder, in L Theanine 200mg, that's totally pure without any artificial flavors. Forget about added sugars and unwanted additives - our L-Theanine powder is naturally pure so you can relax worry-free. So go ahead – get back in control with our L-Theanine supplement!*

️ Boost your Immune Health!: Get ready to take your immune health to the next level! No matter what lifestyle you have, our L-Theanine powder, or L-Theanine 200mg, has something to offer everyone! This L Theanine supplement, an amino acids, is perfect for men and women looking for immune support, as well as overall wellness!*
#4

L-Theanine 200mg by Nature's Trove - 120 Vegetarian Capsules

9.1

Natures Trove

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Natural Ingredients - Good Health from the Source!

L-Theanine 200mg may promote relaxation without drowsiness. Also may restores a sense of calm.

Found naturally in green tea
#5

L-Theanine Plus by Vitaceuticals | Supports Mental Clarity, Relaxation & Stress Relief | Australian Made | 30 Capsules

8.8

Vitaceuticals

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Main highlights

SUPPORTS MENTAL CLARITY AND BRAIN FUNCTION: Maintain mental clarity and focus with a carefully crafted blend featuring Alphawave, a highly purified and clinically studied form of L-Theanine. Support your brain health and cognitive function for enhanced productivity and better decision-making.

RELIEVES SYMPTOMS OF STRESS AND SUPPORTS EMOTIONAL WELLBEING: Formulated to help relieve stress symptoms, L-Theanine Plus assists the body in adapting to environmental challenges, promoting a healthy stress response and fostering emotional balance.

PROMOTES MIND RELAXATION AND CALMS THE MIND: Experience the soothing benefits of L-Theanine and Inositol, designed to gently calm the mind without causing drowsiness. This advanced formula promotes relaxation, helping you feel more at ease in everyday life while staying focused and alert.
#6

NOW L-theanine, 100 Mg, 90 Capsules

8.7

NOW

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Main highlights

Supports healthy cardiovascular function through this relaxing effect as well as its antioxidant properties

Promotes relaxation without the drowsiness or negative side effects associated with other calming agents

Amino acid naturally found in green tea
#7

Nutricost L-Theanine 120 Capsules

8.5

Nutricost

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Main highlights

Easy To Take Capsules

Double Strength

120 Capsules of 200mg L-Theanine Per Bottle
#8

Swisse Ultiboost L-Theanine Calm Mind 50 Capsules

8.2

Swisse

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Main highlights

Relieve symptoms of stress

Enhance the body’s adaption to stress

Calms the mind
#9

Gaba L-Theanine Supplement with Vitamin B6, Magnesium - Support Mood, Heart Health, Brain & Immune System - 90 Capsules

8.0

DEDICAD

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Main highlights

️ GABA and L-Theanine Capsule support balance mood, cognitive health, focus, overall brain health, and immunity. Special formula for men and women; Start today!

️ GABA and L-Theanine Blend is simple to use with 1 pack of 90 counts supply for 45 days; take only 2 easy-to-swallow pills daily; Stay healthy and be happy!

️ 4in1 Blend of GABA (gamma-aminobutyric acid), L-Theanine, Vitamin B6, and Magnesium are popular dietary supplements known for their potential health benefits
#10

L-Theanine Supplement added Ashwagandha, GABA, 5 HTP, L Tryptophan - 120 Capsules

7.9

WELBUDA

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Main highlights

L-Theanine Supplement is strongly combined with 5 premium Ingredients, including L Theanine powder, GABA, 5-HTP, L-Tryptophan, and Ashwagandha. Experience the transformative benefits for yourself with our special formula.

Great Strength Per Serving: L Theanine Complex is a professional formulation for you and your family to support restful mood, mental health, energy production, and immune system for improved overall well-being.

Easy Dosing: Take 2 easy-to-swallow capsules a day - 1 pack with a bottle contains 120 pills, ensuring a 60-day supply for your convenience. Suitable for vegetarians, allowing everyone to enjoy the benefits every day.