When in lack of magnesium in feed and for horses with tense muscles.
In case of increased losses via sweat or diarrhea, magnesium may also need to be added.
Magnesium is a macro-mineral that the horse must absorb through the feed. Magnesium is crucial for the horse's muscle and nerve function and that it plays a central role in most of the body's enzymatic activities.
Magnesium is one of the electrolytes that disappears through the horse's sweat and drafts. 2 ml (2 g) per 100 kg body weight per day, or based on calculated feed.