L-Theanine Supplements & Vitamins

L-Theanine is a naturally occurring amino acid known for its calming properties and ability to support focus without drowsiness. At Melrose FutureLab, our L-Theanine supplements are formulated with clinically proven ingredients and advanced absorption technology to support mind relaxation, cognitive function, and sleep quality.

Whether you're looking to support sleep quality, promote mind relaxation, or maintain focus and mental clarity during the day, our L-Theanine supplements are designed to help you feel calm, clear, and cognitively supported.

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Deep Sleep and Cognitive Support with L-Theanine

At the heart of this range is Deep Wave Sleep Booster, a premium sleep support formula featuring AlphaWave® L-Theanine and Relissa™ Lemon Balm Phytosome™—ingredients known to support calm, clarity, and deep rest.

Formulated to help:

  • Support a healthy stress response

  • Promote mind relaxation and calm the nervous system

  • Maintain cognitive function and mental clarity

  • Enhance sleep quality and reduce restlessness at night

With bioavailable ingredients and independently quality-tested assurance, this L-Theanine supplement offers targeted support for both your mind and sleep, helping to promote quality rest at night and focus during the day.