L-Theanine Powder

Product Description

What Is L-Theanine Powder?

L-theanine is a unique non-protein amino acid primarily found in green tea leaves (Camellia sinensis) and certain types of mushrooms. It’s been consumed for centuries in East Asian cultures for its calming properties—especially in traditional tea ceremonies.

L Theanine powder is a naturally occurring amino acid found primarily in green tea leaves (Camellia sinensis). It is widely recognized for its ability to promote relaxation without drowsiness, enhance cognitive function, and support overall mental health. It is often combined with caffeine to enhance focus and reduce nervousness, making it a staple in pre-workout supplements, energy drinks, and brain-boosting formulas.

Where Does L-Theanine Come From?

L-theanine is extracted mainly from green and black tea leaves, though it can also be synthesized in labs for use in supplements and functional beverages. The amino acid is prized for its ability to work synergistically with other natural compounds to enhance cognitive function and mood.

L-Theanine Powder Specification

Health Benefits of L-Theanine

1. Promotes Relaxation Without Drowsiness
L-theanine increases levels of GABA, dopamine, and serotonin—neurotransmitters that help regulate mood, sleep, and stress. It’s widely used to ease anxiety and tension while keeping your energy levels stable.

2. Enhances Focus and Mental Clarity
Often paired with caffeine in tea, L-theanine is known to smooth out the jittery effects of stimulants while boosting focus and attention. That’s why it’s a popular ingredient in nootropic stacks and functional beverages aimed at enhancing productivity.

3. Supports Stress Reduction
Studies have shown that L-theanine can help lower cortisol levels and heart rate, promoting a calm but alert state. It’s the perfect solution for winding down from a busy day or maintaining calm in high-stress environments.

4. Encourages Better Sleep
Because L-theanine reduces anxiety and promotes relaxation, it can help improve sleep quality—especially when taken in the evening. It’s a great alcohol-free option to support nighttime routines.

Why Choose Our L-Theanine Powder?

• Precise and pure extraction process

Our proprietary water-based extraction method ensures 99.8% purity and guarantees a cleaner, more natural product.

• Advanced extraction technology for improved bioavailability

We use micronization technology to reduce the particle size of L-Theanine powder to <10 microns, greatly improving solubility and absorption.

• Consistent potency and detailed quality control

To ensure consistent potency for each batch of products, we conduct multiple HPLC tests on the active ingredients in L-Theanine powder.

• Custom solutions for specific applications

We provide tailor-made formulations to help companies produce the most effective products for their target markets, whether in the fields of beauty, health or sports nutrition.

Is L-Theanine Safe?

L-theanine has been shown to be safe, even when taken in high doses. It’s generally well-tolerated and not associated with health risks or side effects.

L-theanine may not be safe for people who are pregnant or breastfeeding. L-theanine can lower blood pressure levels, so it could be unsafe in people with hypotension (low blood pressure).

Drinking high amounts of caffeinated teas that contain L-theanine may cause side effects like headache, dizziness, and rapid heartbeat. Most people can safely consume about 400 milligrams of caffeine per day.

How To Take？

L-theanine is available in several forms, including pills, liquids, capsules, and powders. You can also get L-theanine by drinking certain green or black teas.

You can take L-theanine on its own or in combination with other calming substances. L-theanine is often combined with magnesium. This mineral is thought to help regulate stress.

You may take L-theanine at any time of day. Taking L-theanine in the morning can support a healthy stress response. You might take it at night before bedtime to promote restful sleep.

L-Theanine Powder Quality Supplier And Manufacturer

Green Spring are a global supplier of a broad range of Food Nutrition Ingredients that adhere to strict regulations and quality control standards to ensure the safety and suitability of our ingredients, providing the basis for creating innovative foods with the desired nutritional profile and functionality, meeting the growing demand for specialized ingredients for various dietary requirements (e.g. vegan, gluten-free or low in sugar). We adhere to strict food safety standards to prevent contamination and ensure that ingredients are safe to consume.

Our supply includes nutritional ingredients (proteins, carbohydrates, fats, vitamins and minerals, functional ingredients (emulsifiers, thickeners, preservatives and colorants) as well as gluten-free ingredients or special dietary ingredients etc.

How To Buy L-Theanine Powder?

Just send email to sales@greenspringbio.com, or submit your requirement in bottom form, we are of service at any time!