Overview 1- TDC® stands for 1-TetraDecanol Complex, it's molecular name. 1-TDC® Dual Action is a new generation of fatty acid oils with a different molecular structure and properties that are far superior to traditional essential oils.

  • Now available in a convenient heart shape twist off
  • Extra strength with 20% more 1-TDC® per soft gel
  • Affinity for white blood cells
  • High absorption
  • Transdermal
  • Transmucosal