L-Theanin
L-theanine is an amino acid first discovered in the tea plant. It is considered to be the cause of the feeling of well-being and calm that tea can provide. L-theanine stimulates alpha waves in the brain and affects neurotransmitters linked to mood, attention, and memory. Here you'll find the best natural supplements based on L-theanine!

Showing 11 of 11 products

Thorne
Thorne L-Theanine
£69.99

MaryRuth’s
Kids Sleep Gummies
£20.99

MaryRuth’s
Adult Sleep Gummies
£20.99

Quicksilver Scientific
Quicksilver Scientific Liposomal GABA with L-theanine
£32.99

Better You
Better You Night
£28.99

Dragon Herbs
Tao in a Bottle from Dragon Herbs
£37.99

Nordbo
Sleep Cycle, 120 capsules
£25.99

MaryRuth’s
L-Theanine Liquid Drops, 60 ml
£22.99

Närokällan
Kalm
£28.99

Närokällan
L-Theanine Green Line
£21.99

Närokällan
Närokällan GABA & L-theanine, 60 capsules
£15.99