THE #1 MAGNESIUM SUPPLEMENT IN FRANCE FOR OVER 25 YEARS
Do you have questions? We’re here to help.
Our Customer Care Team is standing by to answer any questions you may have. We’re looking forward to connecting with you!
EMAIL US
Our email is contact@synergia.shop
We’ll respond within 1 business day
SEE WHAT PEOPLE ARE SAYING!
★ ★ ★ ★ ★
“I have been taking Energy box since last November, as have several members of my family. It is an excellent product. No pain or negative impact on the bowels. Just very, very good. Just like Calm box. Energy box is really good for business travel, big stress... I vary between the 2 according to my needs...”
- Vanessa H.
★ ★ ★ ★ ★
“I started to notice the results after about 10 days of Sleep box. Whereas I used to wake up several times each night and had to get up for a while to hope to get back to sleep, I now have good nights with occasional waking up but without any difficulty to get back to sleep...”
- Sandra U.
Special Offers
Only for BEST Club Members!
Loyalty Program
Receive Exclusive Benefits!
Quality Guaranteed
Strict Pharmaceutical Standards
Join the BEST Club