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Supplements

Life Extension Theanine XR Stress Relief

Life Extension

Function
Sleep & relaxationAmino acids & performance
Substance
L-theanine

Vegetarian tablet with 400 mg L-Theanine per serving (1 vegetarian tablet); 30 vegetarian tablets. Price: $21.00 for 30 vegetarian tablets ($18.50 with AutoShip), checked Oct 4, 2026; no third-party certification is stated. Dietary supplements are not FDA-approved: FDA does not approve dietary supplements or their labeling before sale.

Listed for: US

Official site

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Trust notes

  • Proprietary blend: No proprietary blend is flagged on this listing.

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