For over 25 years, XPN has been the leading supplement company in Eastern Canada.

For nearly 20 years, XPN has been developing supplements for discerning athletes and gym enthusiasts across Canada. We have helped everyone from professionals to newbies find the right formula to help them attain their goals. With over 150 products available, you are certain to find the right product for you.

Why choose Grindstone?

That is easy. Our products are manufactured right here in British Columbia, approved by Health Canada. We are proud to bring you high quality supplements developed by people with a passion and investment in body and health. We make products we take ourselves. Together, we are raising the standards and creating safer formulas for you to use daily.