The Animalife Vetrocalm Senior powder provides horse owners with targeted nutrition designed specifically for older horses. The powder is easily digestible and is made from concentrated forms of bioavailable magnesium in a limestone formulation. The mineral blend is designed to support positive behaviour and overall health and wellbeing in older horses. Vetrocalm Senior has been scientifically created using bioavailable magnesium, tryptophan and other important amino acids. This powder is designed to help maintain a calm and relaxed frame of mind during everyday challenges and when horses and ponies are faced with new or stressful situations. Read more… Vetrocalm senior offers supporting ingredients that can help replenish levels of magnesium which may have been lost due to stress, fear or anxiousness as well as providing a blend of amino acids to support the senior horse. Free from banned substances making it ideal for competition use and can be used in conjuction with Vetrocalm Intense INSTANT as a boost. Contains an optimum balanced ratio of Magnesium Sulphate, Magnesium Chelate, Lysine, Methionine, Tryptophan and Sodium Chloride. Formulated with Specially Optimised Bioavailable Formula technology to ensure optimal absorption of the ingredients. Feeding Instructions Use a loading rate for up to 7 days followed by the maintenance rate. The daily rate is best split across two feeds. Loading Daily Rate Small Horse weighing less than 300kg â€" 3 scoops Medium Horse weighing 300-600kg â€" 6 scoops Large Horse weighing over 600kg â€" 9 scoops Maintenance Daily Rate Small Horse weighing less than 300kg â€" ½ scoop Medium Horse weighing 300-600kg â€" 1 scoop Large Horse weighing over 600kg â€" 1 ½ scoops