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Do you test your products for hot and cold stability?

Before Thorne launches a new product, it undergoes accelerated stability testing, in which the product is subjected to heat (40 degrees C/104 degrees F) and humidity (75% relative humidity) for 90 ...

Supplements
Is your vitamin K2 the MK-4 form or the MK-7 form?

Thorne offers both forms of vitamin K2 in different products. Whether vitamin K2 is synthesized by humans or by bacteria, the end result is two subtypes of vitamin K2 known as menaquinones, either ...

Supplements
What if my package is damaged or missing?

We are always here to provide a remedy in these situations. Please contact Thorne's Customer Service Department and a representative will be happy to assist you.

Supplements
Which Thorne products will best support working out?

Thorne has many Take 5 Daily posts dedicated to workout support, including Pre, During, and Post-Workout Nutrition,  Use Nutrition to Support Recovery from a Workout Injury,  Maximize Your Recovery...

Supplements
Do Thorne supplements really work?

We're glad you asked. You can read a more in-depth explanation of Thorne's clinical partnerships and the efficacy of our supplements as well as the importance of clinical trials. 

Supplements
What can be mixed with your protein powders?

You can always mix them with water. And you can always experiment by mixing them with your beverage of choice to find a mix that is right for you taste-wise and consistency-wise. You can also get m...

Supplements