We don’t guess. We test. We guarantee.


All of Synergy’s life-changing products are manufactured to the highest standards. They ensure purity, potency and safety with over 600 in house tests!

Synergy’s parent company, Nature’s Sunshine, manufactures all of their products to ensure exceptional quality. Nature’s Sunshine uses Good Manufacturing Practices.

We are so confident in our products we offer a 120 day money back guarantee.

They go way beyond organic by using no GMO ingredients and by testing for contaminants down to parts per trillion. To give you an idea of how minute that is, it’s like 1 drop of water in 20 Olympic sized swimming pools

Get a tour of the manufacturing facility and learn more about the quality assurance at Nature’s Sunshine in this video.

Quality Assurance Questions and Answers