Dissolved in warm water, Ancient Minerals magnesium bath flakes ultra contain only the purest ingredients of highly soluble magnesium chloride with premium distilled OptiMSM® (the world's purity standard for MSM). The bath flakes offer a highly effective, yet calming, means of absorbing magnesium.

Ancient Minerals magnesium is pure magnesium chloride harvested from the Ancient Zechstein Seabed.
 
Ultra-pure and highly concentrated
Rapidly absorbed by the skin
Relaxes and restores the body

Ingredients:

Genuine Zechstein magnesium chloride flakes (and trace minerals), methylsulfonylmethane (MSM)
Approximately 15g elemental magnesium per cup
Approximately 3g elemental sulfur (from OptiMSM®) per cup

Manufacturer: Ancient Minerals