FSC Hawthorn Berry 500mg 90 tablet. The primary benefit of Hawthorn is as a tonic for the heart. Hawthorn supports energy production & muscle contractions. The flavonoid components of hawthorn also possess significant collagen-stabilising action. It contains no Artificial Flavours or Preservatives, No Added Sugar, Salt or Colours. They are also Gluten Free, Wheat Free, Yeast Free, Dairy Free & Soya Free.