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“L-Theanine”

Showing 24 out of 26 results

Showing 24 out of 26 results

Nutritional supplements

Cellular health

Cellular health

Mitochondrial support

Weight management

Weight management formulas

Meal replacement powders

Fiber

Gi support

Dysbiosis support

Fiber/motility support

Gi support

Children's gi support

Gi repair

Motility support

Fiber

Ayurvedic formulas

Probiotics

Digestive enzymes

Urinary tract support

Urinary formulas

Kidney health

Bladder support

Hormone support

Dhea

Thyroid support

Pregnenolone

Progesterone support

Hormone support

Omegas

Plant-based omegas

Fish oils

High epa

Children's omegas

Cod liver oil

High dha

Omega 3-6-9

Krill oil

Cla

Omega 3's

Adrenal & stress support

Adrenal formulas

Stress formulas

Glandular products

Ashwagandha

Probiotics

Probiotics

Women's probiotics

Single-strain probiotics

Children's probiotics

Prebiotics

Spore/soil-based

Sleep support

Sleep support formulas

Melatonin

Immune support

Mushrooms

Immune support formulas

Colostrum

Elderberry

Lozenges

Immune support

Vision health

Eye supplements

Eye drops

Amino acids

Combination amino acids

5-htp

Carnitine

Gaba

L-glutamine

Single amino acids

Lysine

N-acetyl-cysteine (nac)

Sam-e

L-theanine

Taurine

Bcaas

Anti-aging

Women's health

Hormonal balance support

Menopausal support

Breast health

Vitex/chasteberry

Women's sexual health

Estrogen support

Multivitamins

Women's multivitamins

Bone support formulas

Inositol

Prenatal vitamins

Women's probiotics

Men's health

Men's sexual health

Testosterone support

Prostate health

Saw palmetto

Mood formulas

Mood support

Calming formulas

Lithium

Seasonal-sinus-respiratory support

Seasonal support

Respiratory support

Sinus support

Quercetin

Antioxidants

Flavonoids

Antioxidant formulas

Alpha lipoic acid (ala)

Coq10

Glutathione

Quercetin

Greens & superfruits

Blood sugar management

Blood sugar support

Berberine

Detox support

Detox formulas

Liver/hepatic support

Indoles

Milk thistle

Metal detox

Detox powders/shakes

Detox kits

Musculoskeletal & joint support

Joint support formulas

Glucosamine/chondroitin

Muscular support

Joint support

Energy support

Energy support

Children's health

Children's cognition support

Children's immune

Children's nervous system support

Children's formulas

Cardiovascular-heart health

Garlic

Venous support

Cardiovascular formulas

Lipid support

Blood pressure support

Coq10

Cardiovascular support (homeopathic)

Cardiovascular support

Collagen

Collagen

Enzymes

Digestive enzymes

Betaine-hcl

Systemic enzymes

Children's gi support

Brain-nervous system support

Cognitive support

Nervous system support

Brain health

Choline

Brain & nervous system support (homeopathic)

Inflammation support

Inflammation support formulas

Turmeric/curcumin

Bone support

Bone support formulas

Magnesium

Greens

Greens powder

Greens & superfruits

Sports & fitness nutrition

Creatine

Post-workout

Mct oil

Keto formulas

Protein bars

Pre-workout

Beta-alanine

Ear support

Ear support

Dermatological support

Dermatological support

Phospholipids

Phosphatidylcholine (lecithin)

Phosphatidylserine

Inositol

Protein powders

Whey-animal protein

Plant-based protein

Medical foods

Medical foods

Spm

Spm

Homeopathic remedies

Pain management (homeopathic)

Homeopathic combinations

Liver support

Liver/hepatic support

Protein bar

Protein bars

Popular herbs

Astragalus

Vitamins & minerals

Minerals

Calcium

Magnesium

Calcium/magnesium

Electrolytes

Silver

Selenium

Chromium

Boron

Iron

Multi mineral

Copper

Iodine

Manganese

Potassium/magnesium

Molybdenum

Potassium

Strontium

Zinc

Single vitamins

Vitamin c

Vitamin b2 (riboflavin)

Vitamin b6 (pyridoxine)

Vitamin b12 (cobalamin)

Vitamin b1 (thiamine)

Vitamin a

Vitamin b-complex

Choline

Vitamin e

Folate

Vitamin d

Vitamin k

Biotin

Vitamin b3 (niacin)

Carotenoids

Vitamin b5 (pantethenic acid)

Vitamin d & k combos

L-theanine

Nervous system support

Multivitamins

Multivitamins

Children's vitamins

Prenatal vitamins

Senior's multivitamins

Women's multivitamins

Men's multivitamins

Active multivitamins

Sleep support

Sleep support formulas

Bone support

Bone support formulas

Vitamins

Vitamin c

Sports & fitness nutrition

Creatine

Magnesium

Electrolytes

Immune support

Immune support formulas

Seasonal-sinus-respiratory support

Sinus support

Mood formulas

Calming formulas

Cardiovascular-heart health

Cardiovascular formulas

Personal care & healthy living

Aromatherapy & massage

Massage/topical oils

Essential oils

Aromatherapy supplies

Food & beverage

Drink mixes & beverages

Seeds-salt-spices

Herbal teas

Cooking & baking

Honey & sweeteners

Snacks

Pantry staples

Meal & snack bars

Facial care

Anti-aging

Serums

Cosmetics

Cleansers & scrubs

Facial moisturizers

Eye care

Acne treatment

Toners

Bath & body care

Body moisturizers

Soaps & body wash

Lip care

Deodorants

Infant-child care

Hair care

Suncare

Insect repellant

Bath care

Hair removal

Feminine care

Intimate care products

Oral health

Oral care products

Mouth rinse

Toothpaste

Sexual health

Personal lubricants

Household essentials

Essential oils

Cleaning supplies

Household supplies

Cooking & baking

Seasonal-sinus-respiratory support

Sinus support

Topical cbd

Topical cbd

Herbs & acupuncture

Popular herbs

Boswellia

Hawthorne

Licorice

Ginger

Valerian

Oregano

Astragalus

Andrographis

Lemon balm/melissa

Nettles

Ayurvedic formulas

Samento/cat's claw

Artemisia

Rhodiola

Holy basil

Olive leaf

Turmeric/curcumin

Herbs & herbal products

Liquid extracts

Herbal oils & topicals

Herbal capsules

Single chinese herbs

Solid extracts

Glycerites

Herbal sprays

Syrups/elixirs

Hemp

Mushrooms

Pain management formulas

Acupuncture & tcm

Chinese formulas

Chinese patent formulas

Acupuncture supplies

Kampo formulas

Acupuncture needles

Energy support

Ashwagandha

Sleep support

Sleep support

Women's health

Women's sexual health

Homeopathy

Homeopathic remedies

Gi support (homeopathic)

Allergy support (homeopathic)

Children's homeopathics

Eye & ear support (homeopathic)

Hormone support (homeopathic)

Flower essences

Weight management (homeopathic)

Musculoskeletal support (homeopathic)

Cellular health (homeopathic)

Immune support (homeopathic)

Respiratory support (homeopathic)

Mood support (homeopathic)

Women's health (homeopathic)

Homeopathic combinations

Dermatological support (homeopathic)

Brain & nervous system support (homeopathic)

Pain management (homeopathic)

Detox support (homeopathic)

Men's health (homeopathic)

Sleep support (homeopathic)

Adrenal support (homeopathic)

Cardiovascular support (homeopathic)

Homeopathic singles

Energy support (homeopathic)

Glucose support (homeopathic)

Bone support (homeopathic)

Topical homeopathics

Infant-child care

Joint support formulas

Urinary formulas

Bone support

Bone support formulas

Inflammation support

Inflammation support formulas

Adrenal & stress support

Adrenal support (homeopathic)

Stress formulas

Lab tests & medical supplies

Therapeutic topicals

Topical homeopathics

Topical analgesics

First aid

Hormone support

Medical supplies

Storage containers

Orthopedic supplies

Sanitizers

Masks

Gloves

Lab tests

Rapid/in office test kits

Omega 3's

Nutritional status labs

Gastrointestinal health labs

Other labs

Animal health

Animal health

Pet health

Pet joint & bone

Pet vitamins

Pet omegas

Pet probiotics

Common ingredients

Magnesium

N-Acetyl-L-Cysteine

Omega 3 Fatty Acids

Vitamin D

DHEA

Zinc

Vitamin B12

Popular brands

Designs for Health

Metagenics

Thorne

Pure Encapsulations

Pendulum

Microbiome Labs

Integrative Therapeutics

Vital Nutrients

Nordic Naturals

Klaire Labs/SFI Health

Quicksilver Scientific

Allergy Research Group

All brands

Balm

Bar

Box

Caplet

Capsule

Gluten free

Dairy free

Animal product free

Artificial sweetener free

Soy free

Gold

Silver

Emerson Quality Program: Gold.

L-Theanine 60 capsules

L-Theanine

Integrative Therapeutics

60 capsules

Emerson Quality Program: Gold.

L-Theanine 200mg 60 caplets

L-Theanine 200mg

Protocol for Life Balance

60 caplets

Emerson Quality Program: Gold.

L-Theanine 200mg 60 capsules

L-Theanine 200mg

NOW Foods

60 capsules

Emerson Quality Program: Gold.

L-Theanine 60 capsules

L-Theanine

Pure Encapsulations

Emerson Quality Program: Gold.

Suntheanine L-Theanine 60 tablets

Suntheanine L-Theanine

Natural Factors

60 tablets

Emerson Quality Program: Gold.

L-Theanine 200mg 60 capsules

L-Theanine 200mg

Vital Nutrients

Theanine 90 capsules

Theanine

Thorne

90 capsules

New

L-Theanine 120 capsules

L-Theanine

XYMOGEN

Theanine 200mg 60 capsules

Theanine 200mg

Jarrow Formulas

60 capsules

New

L-Theanine 60 capsules

L-Theanine

Premier Research Labs

60 capsules

L-Theanine 200mg 120 capsules

L-Theanine 200mg

Metabolic Maintenance

120 capsules

Theanine 100mg 60 capsules

Theanine 100mg

Jarrow Formulas

60 capsules

Emerson Quality Program: Gold.

L-Theanine Powder 28 Grams

L-Theanine Powder

NOW Foods

28 Grams

Emerson Quality Program: Silver.

Liposomal L-Theanine 30 Milliliters

Liposomal L-Theanine

DaVinci Labs

30 Milliliters

Emerson Quality Program: Gold.

L-Theanine 60 capsules

L-Theanine

Klaire Labs/SFI Health

60 capsules

Suntheanine® 120 capsules

Suntheanine®

Metabolic Code

120 capsules

Emerson Quality Program: Gold.

L-Theanine SAP 60 capsules

L-Theanine SAP

Nutritional Fundamentals for Health

60 capsules

Emerson Quality Program: Silver.

L-Theanine 200mg 60 capsules

L-Theanine 200mg

DaVinci Labs

Emerson Quality Program: Gold.

L-Theanine 100mg 90 capsules

L-Theanine 100mg

NOW Foods

90 capsules

L-Theanine 200mg 60 capsules

L-Theanine 200mg

Source Naturals

L-Theanine 100mg 60 capsules

L-Theanine 100mg

Metabolic Maintenance

60 capsules

Theanine (as Suntheanine) 60 capsules

Theanine (as Suntheanine)

Patient One MediNutritionals

60 capsules

Emerson Quality Program: Gold.

L-Theanine 100mg 60 capsules

L-Theanine 100mg

Douglas Labs

60 capsules

L-Theanine 25 mg Pineapple 120 tablets

L-Theanine 25 mg Pineapple

KAL

120 tablets

Copyright © 1997-2025 Emerson Ecologics, LLC, All rights reserved.

*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.

†Claims based on traditional homeopathic practice, not accepted medical evidence. Not FDA evaluated.