Browse supplements containing L-Theanine.
by Asahi Group Foods
Sleep quality improvement supplement with L-theanine and GABA.
by FANCL
Functional food with L-serine for deep sleep quality support.
by FANCL
Functional food with GABA for stress management and mental well-being.
by FANCL
Enhanced sleep support with L-serine and GABA for deep sleep quality
by Herb Pharm
Herbal brain tonic liquid extract blend with ginkgo, bacopa, and other botanicals for memory and mental clarity.
by Jarrow Formulas
Suntheanine L-theanine 200mg for promoting alpha brain waves, calm focus, and sleep quality
by Kobayashi Pharmaceutical
Sleep support supplement with L-theanine for relaxation before bed.
by Natrol
Cera-Q silk protein hydrolysate clinically proven to improve memory and cognitive performance in healthy adults.
by NOW Foods
Pure L-Theanine from green tea. Promotes calm alertness and focus without jitters. Works synergistically with caffeine.
by NOW Foods
Pure L-theanine 200mg per capsule for calm focus and relaxation without sedation
by Onnit
Onnit's flagship nootropic formula clinically studied to support memory, focus, and cognitive processing speed with Alpha GPC, Bacopa, and L-theanine
by Onnit
Premium version of Alpha Brain with an enhanced formula featuring additional cognitive ingredients for heightened mental performance and focus
by Pure Encapsulations
Suntheanine L-theanine 200mg for stress reduction, relaxation, and focus support without drowsiness
by Source Naturals
L-theanine amino acid from green tea to promote calm, focused relaxation without drowsiness.
Showing 1–14 of 14 supplements