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doTERRA Certified Pure Tested Grade®

doTERRA's Certified Pure Tested Grade® (CPTG) protocol is a set of rigorous quality standards and testing procedures implemented during the procurement of essential oil. The CPTG protocol is designed to ensure that doTERRA's essential oils are of the highest quality, purity, and potency.

The CPTG protocol consists of several key components:

  1. Sourcing: doTERRA works directly with growers and farmers around the world to source plants and botanicals in their natural habitats, where they thrive best. This approach allows doTERRA to obtain plants with the highest levels of beneficial compounds.
  2. Testing: Once the plants are harvested, doTERRA employs a series of stringent tests to verify the quality and purity of the essential oils. These tests are conducted by a team of experienced scientists and include both in-house and third-party testing.
  3. Chemical Composition Analysis: Gas chromatography and mass spectrometry are used to analyze the chemical composition of each essential oil. This analysis helps identify the specific compounds present in the oil, ensuring that it contains the desired therapeutic properties.
  4. Microbial Testing: Microbial testing is conducted to ensure that the essential oils are free from harmful bacteria, fungi, and other microorganisms. This testing helps guarantee the safety and purity of the oils.
  5. Heavy Metal Analysis: Another critical aspect of the CPTG protocol is the evaluation of heavy metal content. Oils are tested for the presence of heavy metals such as lead, mercury, and arsenic, which can be harmful if present in high concentrations.
  6. Stability Testing: Stability testing is performed to assess the longevity and shelf life of the essential oils. This process helps determine the oils' quality and effectiveness over time.

By adhering to the CPTG protocol, doTERRA aims to provide customers with essential oils that are pure, potent, and free from contaminants. The company's commitment to quality ensures that their products are safe for use and meet the highest industry standards.