• Doctor's Best L-Theanine with Suntheanine

    Doctor's Best

    Doctor's Best Suntheanine L-Theanine

    Suntheanine is the patented formula of L-theanine in its purest and most effective form, manufactured in Japan from Green tea leaves. L-theanine is a non-essential amino acid that produces anti-stress, mood regulating, immune stimulating, and skin care...

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  • Source Naturals L-Theanine 200mg

    Source Naturals

    Source Naturals L-Theanine 200mg

    L-Theanine is an amino acid only found in the green tea plant (Camella sinensis)which has been found to exhibit calming and relaxing effects without sedation. It can cross the blood brain barrier to support healthy production of the neurotransmitters...

    $75.50 $51.50
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