NAF Five Star Magic. Magnesium is an essential nutrient to the horses well-being and it also regulates nervous tension. NAF Five Star Magic is a unique combination of magnesium and calming herbs and nutrients that can help calm anxious, nervous and excitable horses so they can do what they're asked calmly and confidently. NAF Five Star Magic can help relax muscle tissue and improve concentration and confidence. Magic also contains pro and pre biotics. NAF Five Star Magic can help to combat magnesium deficiency which often causes anxiety, excitability, stress and lack of confidence in horses. Read more… Horses and Ponies Recommended Daily Amounts Loading Rate ( 7-10 days) - 50-75g per day = 2-3 scoops Maintenance Rate - 25-50g per day = 1-2 scoops 750g fed at maintenance rate will last approximately 30 days. 1. 5kg fed at maintenance rate will last approximately 30 days.