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For more than 30 years, Thorne Research has set the standard for exceptional formulations, quality, and purity.

Thorne Research provides you with the highest-quality nutritional supplement products. Made with no magnesium stearate and no artificial colours or sweeteners.

Quality * No Standard Higher

Thorne, refuses to take short cuts. They have invested in doing comprehensive testing, sourcing the highest quality ingredients, creating a clean manufacturing process, and protecting the environment.
Thorne cares deeply about where their ingredients come from. They partner only with suppliers whose practices emphasize quality, science, and responsibility. Better ingredients means better potency, absorption, and digestibility – and ultimately better health.

Incoming ingredients are quarantined until tested and verified. They test for 760 unique items.

For more than 30 years, Thorne Research has invested in clean manufacturing practices. They refuse to use magnesium stearate or any other ingredients that can inhibit absorption – even though this decision makes the manufacturing process more difficult.


NEW LOOK…. Same formulas. Reintroducing you to Thorne.


Cortrex, 60 Vcaps, Thorne Research was added to your cart

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