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Help & Info
Important Note About Shipping:
We provide same day shipping for all orders placed before 4:00 P.M. Central Time. We ship using U.S.P.S. Priority Mail so your order will arrive as quickly as possible (usually within 2 - 3 days).*
*Certain exceptions may apply.

"Three Ship Free"
When you order any 3 Master Supplements, Inc. products, shipping is free!
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Problems ordering online?
Consumers call
(800) 926-2961 
Extension 1 
24 hours a day, 7 days a week.

To reach
Store sales, call
(800) 926-2961 Ext 2.

Professional Sales call
(800) 926-2961 Ext 3
All shipping discounts and FREE shipping are for USA customers only.

European Customers:
Click Here for Theralac
Click Here for TruFlora
Click Here for TruFiber
Click Here for Enzalase

For Canadian Orders, Please Call:
519-748-9199
Shipping Policy
Theralac and Enzalase are made with Totally Inert Packaging. Brown glass bottles, moisture and oxygen absorption packets, rayon wadding, double neck seals and a nitrogen flush keep the product extraordinarily stable during shipping. You can carry Theralac for up to 30 days at room temperature, Enzalase for up to 90 days. It is quite safe to ship Priority Mail without insulated packaging or dry ice. As soon as you receive Theralac or Enzalase, please refrigerate.
TruFiber is very stable as a dry powder and does not need refrigeration.





European Customers click Here