The company says it's in response to issues raised following the publication of the Commission of Investigation’s report.
The Commission of Investigation report stated GlaxoSmithKline had engaged in vaccine trials in Mother and Baby homes between 1934 and 1973.
This enhanced service includes a more simplified information request service, and the publication of trial summary documents for nine separate vaccine trials, as well as two infant milk formula trials.
GSK says it recognises that many survivors of mother and baby homes are understandably seeking to access their personal information.