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  1. FREE Shipping Pure Encapsulations Taurine 1000 mg 120 Capsules
    Free form amino acid abundant in heart and nervous system.*
    *Results May Vary Learn More
    EarthTurns: $25.80
  2. FREE Shipping Pure Encapsulations Glycine 180 Capsules
    Amino acid support for liver and kidney.*
    *Results May Vary Learn More
    EarthTurns: $23.80
  3. Multiple Sizes Available FREE Shipping Pure Encapsulations - BCAA
    Branced chain amino acid supplement.*
    *Results May Vary Learn More

    Starting at: $21.00

  4. FREE Shipping Metagenics L-Carnitine with Chromium
    Metagenics L-Carnitine with Chromium supports fat metabolism*
    *Results May Vary Learn More
    EarthTurns: $28.69
    This site is not owned or operated by Metagenics, Inc.
    Product trademark(s) are trademarks of Metagenics, Inc. and are used with permission.
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  9. FREE Shipping L Tyrosine 500
    Supplies 500 mg of L-tyrosine*
    *Results May Vary Learn More
    EarthTurns: $29.60
  10. FREE Shipping Amino Gram Forte
    Provides a balanced spectrum of nutritionally important amino acids*
    *Results May Vary Learn More
    EarthTurns: $23.00
  11. FREE Shipping L Arginine Supplement
    L-Arginine Supplement*
    *Results May Vary Learn More

    MSRP: $40.00

    EarthTurns: $26.40
  12. FREE Shipping Free Form Amino Acid
    Balanced spectrum of nutritionally important amino acids*
    *Results May Vary Learn More
    EarthTurns: $22.80
  13. FREE Shipping L Threonine
    Supplies 500 mg of L-Threonine*
    *Results May Vary Learn More
    EarthTurns: $22.80
  14. FREE Shipping L Theanine
    Supports healthy mental functioning*
    *Results May Vary Learn More
    EarthTurns: $28.20
  15. FREE Shipping L Ornithine
    500 mg of L-ornithine*
    *Results May Vary Learn More
    EarthTurns: $20.20
  16. FREE Shipping L Methionine
    500 mg of L-methionine*
    *Results May Vary Learn More
    EarthTurns: $21.20
  17. FREE Shipping L Histidine
    500 mg of the amino acid in each capsule*
    *Results May Vary Learn More
    EarthTurns: $27.00
  18. FREE Shipping L Arginine
    Contains 700 mg pure, crystalline L-arginine*
    *Results May Vary Learn More
    EarthTurns: $22.40

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Natural Amino Acid Supplements

Amino acids are the building blocks of protein, which are the building blocks of muscles, skin, hair, enzymes and are involved in numerous functions in our body. EarthTurns.com offers pure, all natural amino acids. There are a total of 20 amino acids that make up the various proteins of the body. Of these, 8 are called essential amino acids. They are called essential, because the human body cannot make them, and they are required for the body to perform optimally, heal and grow. Amino acid requirements vary with the health and age of the individual.