Harker Herbals Iron Tonic (formally 741 Ironurse) is actually a blackberry-fruit syrup made from organically grown berries with proven high-iron content and extremely high organic silica content. The syrup is blended with ginger, oat straw and yellow dock – three famous blood-enriching silica and iron herbs. Both iron and silica are the prime minerals for good blood and cell tissue building! Contains deep sea Chondrus crispus (Carrageen) - rich in many of the sea’s nutrient minerals for good health. Indicated for Low Iron, low calcium, low silica blood analysis, malnutrition, impure blood and skin conditions and poor diet, as well as, low energy and fatigue disorders. Due to its high concentration of many organic minerals and vitamins it may beneficially influence other glands, organs and vessels associated with the circulatory system.