Magnesium oxide supplements … Cheap to make. Easy to manufacture. But unfortunately one of the lowest quality forms as only a small amount is being absorbed during digestion. And this is one of the main reasons many people experience little to no benefit when taking a magnesium supplement. Instead of magneisum oxide, look to magnesium glycinate & magnesium threonate supplements. Bot magnesium glycinate and magnesium threonate have high absorption. And the more you absorb, then the more likely yo