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The 365 Day "Best Product Ever Or Your Money Back" Guarantee

All BIOptimizers products come with a 365-Day Money Back Guarantee. If you are not completely satisfied with your BIOptimizers product for any reason between today and 365 days from now, just send back your remaining unopened bottles of the product and we'll give you a full refund (minus the cost of shipping and handling). If you open a second bottle, you no longer qualify for any guarantee. Reach out to our customer happiness team and they will take complete care of it.

Recommended by Top Health Experts & Performers

Chalene Johnson

Chalene Johnson

“Magnesium is essential for everything—sleep, energy, hormones, and more. Magnesium Breakthrough gives me all the types I need in one formula. Take this daily! ”

Dr. Mark Hyman

Dr Mark Hyman

“Magnesium Breakthrough has the full spectrum of magnesium, which can dramatically improve your overall health, from reducing stress to improving sleep and boosting energy”

Ben Greenfield

Ben Greenfield

“I rely on BIOptimizers’ expertly crafted formulas for digestion, energy, brain function, and restful sleep—they're a staple in my daily routine. ”

Dr. Leaf

Dr. Leaf

“As a neuroscientist, I know how important sleep is. But I also know how hard it can be to get enough sleep! This is why I love Magnesium Breakthrough.”