Search
filter
Filter
sort
Sort By

L-Theanine

Updated 8 Oct 2026
1 products tested
NABL-accredited labs
Lab reports published

More Lab-Tested Categories

Magnesium Supplements | Unbox Health Lab Ratings, Reviews
Magnesium Glycinate | Unbox Health Lab Ratings, Reviews
Ashwagandha Supplements | Unbox Health Lab Ratings, Reviews
Melatonin Supplements | Unbox Health Lab Ratings, Reviews
Vitamin B6 | Unbox Health Lab Ratings, Reviews
Unbox Health | prev icon
Unbox Health | prev icon

How We Rate L-Theanine

As of Oct 2026, Unbox Health has lab tested and rated 1 products in the L-Theanine category.

We buy every product from the open market, with no brand involvement. Every product is tested at up to 3 NABL-accredited labs. Products are then rated D to A+, based on the following dimensions: their label accuracy, their toxicity and their nutritional profile (in the case of food products). All lab reports are published.

Read the full methodology for how we rate L-Theanine here.

cross icon
Filter
CLEAR ALL
Brand
APPLY
cross icon
Sort By
Latest First
Alpabetically A to Z
Alpabetically Z to A
Rating High to Low
Rating Low to High
Share icon