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$19.95
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L-Theanine is an amino acid that is not commonly obtained through dietary sources. It is structurally similar to the neurotransmitters GABA and glutamate, and acts in a similar manner in the brain following oral ingestion. L-Theanine has bee...
Reviews
4.7
38 ratings
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Great for enhancing my sleeping habits
It’s awesome! Help me to fall asleep easier. Much much better than Melatonin.
C
Chloe · February 17, 2026
This is my go to for calm energy. In todays world we are stressed more than ever and this takes the edge off stress.
B
Barbara · January 5, 2026
Game changer
This is by far the best supplement in my regimen. Paired with caffeine, L-Theanine helps calm my anxiety and keep me focused.