Skip to main content
Evidence-Based Supplement Research
Evidence-Based Supplement Research

L-Theanine

  • Adult Gummy

    By T-RQ

    4.5 (120 reviews)
    In Stock
    Best Price Guarantee
    Prices from Different Sellers
    Prices from Different Sellers
    MerchantPriceStockAction
    Amazon
    $-
    Out
    iHerb
    $11.10
    In
    Vitacost
    $-
    Out
    Vitamin Shoppe
    $-
    Out
  • L-Theanine Calm-Plex

    By ProHealth Longevity

    4.4 (56 reviews)
    In Stock
    Best Price Guarantee
    Prices from Different Sellers
    Prices from Different Sellers
    MerchantPriceStockAction
    Amazon
    $-
    Out
    iHerb
    $18.49
    In
    Vitacost
    $-
    Out
    Vitamin Shoppe
    $-
    Out
  • Best Price Guarantee
    Prices from Different Sellers
    Prices from Different Sellers
    MerchantPriceStockAction
    Amazon
    $-
    Out
    iHerb
    $8.49
    In
    Vitacost
    $-
    Out
    Vitamin Shoppe
    $-
    Out
  • Sleep Benefits

    By DaVinci Laboratories

    5 (1 reviews)
    Out of Stock
    Best Price Guarantee
    Prices from Different Sellers
    Prices from Different Sellers
    MerchantPriceStockAction
    Amazon
    $-
    Out
    iHerb
    $54.62
    In
    Vitacost
    $54.62
    In
    Vitamin Shoppe
    $-
    Out
  • Sleep Complete

    By DaVinci Laboratories

    4 (1 reviews)
    Out of Stock
    Best Price Guarantee
    Prices from Different Sellers
    Prices from Different Sellers
    MerchantPriceStockAction
    Amazon
    $-
    Out
    iHerb
    $54.62
    In
    Vitacost
    $-
    Out
    Vitamin Shoppe
    $-
    Out
  • Happy Camper

    By Natural Balance

    3 (1 reviews)
    In Stock
    Best Price Guarantee
    Prices from Different Sellers
    Prices from Different Sellers
    MerchantPriceStockAction
    Amazon
    $-
    Out
    iHerb
    $31.99
    In
    Vitacost
    $29.04
    In
    Vitamin Shoppe
    $-
    Out
Back to top