NAF Shake Relief Tub. Relieve stress for horses that show signs of seasonal anxiety with NAF\\\'s Shake Relief Tub. Designed to provide nutritional support, the Shake Relief Tub is ideal for a number of triggers such as bright sunlight, pollen or flies. Shake Relief provides targeted nutrition to ensure the horses natural defences are optimised. With a unique blend of naturally sourced antioxidants to help flush out free radicals, Shake Relief also offers soothing herbs, magnesium to support calmness, immune support complete to encourage a healthy immune system and MSM to help support soft tissues and nerve tissues. Shake Relief should be fed throughout the peak season and can be increased when needed.