A longevity researcher has shared the daily supplement he's been taking for years to help slow down ageing. Doctor Neil Paulvin, a physician, spoke to CNBC about the benefits of taurine - an amino acid that's not well-known but which he says can repair DNA and stimulate the production of stem cells. The doctor, who specialises in regenerative medicine in the US, explained that this chemical is "vital" for our digestive, cardiovascular , skeletal, muscular and nervous systems. Speaking on CNBC's

Tag-uri: DNA