Herbs of Gold St Mary's Thistle 35 000 is a powerful formula that contains a standardised extract of St Marys Thistle, which is traditionally used to support healthy liver and gallbladder function. St Marys Thistle is traditionally used to assist with bile flow from the liver, aid in digest and relieve the symptoms of non-specific dyspepsia, such as bloating, flatulence and heartburn. This liver tonic acts to protects the liver from toxins and assists in healthy liver cell regeneration. St Marys Thistle 35 000 has been standardised to flavanolignans or silybins, which are the main active constituents responsible for St Marys thistle's liver protecting effects.