The Australian Sports Anti-Doping Authority (ASADA) says it will assess Stephen Dank’s claims he provided a banned peptide to former Gold Coast Suns star Nathan Bock.

The reopening of the case comes just a week after Bock was cleared of doping by ASADA and allowed to continue coaching NEAFL team Southport Sharks.

The disgraced sports scientist told News Corp that be bought the prohibited peptide CJC-1295 at a Sydney compounding pharmacy in December 2010 and took it to the Gold Coast on a plane in a cooler bag packed with dry ice.

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He said he then gave the CJC-1295 to then Suns fitness boss Dean Robinson, who taught Bock how to self-administer it.

Dank refused to be interviewed by the ABC, but confirmed he is on the public record saying that he had provided the peptide to Bock in 2010.

In a statement, ASADA said this new information will be assessed by its investigation unit.

Nathan Bock was treated by Stephen Dank after suffering an Achilles injury. Photo: Getty

“Over the last three years, Mr Dank has consistently refused to speak to ASADA’s investigators. ASADA spoke with Mr Dank today, and he again refused to offer any assistance or information,” the statement read.

“Mr Dank’s alleged admissions overnight are starkly at odds with his previous position on the matter, as ASADA notes he is currently appealing the AFL Tribunal’s finding that he attempted to traffic CJC-1295 to the Gold Coast Suns.

“ASADA needs reliable evidence and testimony in order to be able to bring forward cases of possible anti-doping violations.

“The journalist in question has been approached today by ASADA and requested to provide the details of conversations he has had with Mr Dank.”

ASADA had insisted on Tuesday that it was unable to establish whether the drug Bock used was actually CJC-1295.

It announced it had found that numerous inconsistencies in witness evidence were unable to be resolved by corroborating evidence, leading to the authority clearing Bock of doping.

Robinson and Dank worked for the Suns in late 2010 when Bock, the start-up club’s star signing, was being treated for an Achilles injury.

The pair then reunited at Essendon in late 2011 and played key roles in establishing the Bombers pharmacologically experimental drugs program.