Support your training programme during the cold winter months or intense periods with Echinacea. Each capsule from Swanson Health is packed with 400mg of echinacea purpurea herb. Take as part of a well-balanced diet. Support your training programme during the cold winter months or intense periods with Echinacea. Each capsule from Swanson Health is packed with 400mg of echinacea purpurea herb. Take as part of a well-balanced diet. 400mg of echinacea per capsules. Consumed during cold winter months or when feeling run down. 180 capsules per pack Echinacea, from Swanson Health, is a popular plant extract used during winter months. Try these handy capsules.