TopSpec Calmer. This calmer is designed to be fed to horses and ponies with anxious temperaments or those that cannot cope with stressful situations such as showing, travelling and competing it contains a number of ingredients which all act in different ways to help reduce anxiety, it contains only natural ingredients but no herbs. Ingredients include yeast, MOS, B vitamins, magnesium, tryptophan and sepiolite clay. This Topspec Calmer does not affect normal behaviour or reduce presence instead it can help to improve performance by improving focus and reducing the effects of stress. TopSpec Calmer will start to take effect within hours but maximum effects will be seen within three weeks. TopSpec Calmer is a very palatable, caramel flavoured additive that should be mixed into damp feed. It can be added to any combination of feeds and supplements, TopSpec nutritionists recommend that these are low in sugar and starch.