Robert Helenius says the only performance-enhancing substance he needs in his system is his ‘Viking blood’.

The ‘Nordic Nightmare’ only boxed on Saturday but secured an unlikely clash with Anthony Joshua after Dillian Whyte returned an adverse analytical finding in a VADA test.

Whyte had been set to meet Joshua at the o2 Arena this weekend in a rematch of their 2015 showdown at the same arena.

But, on Saturday afternoon, promoter Eddie Hearn confirmed the fight had been cancelled following the results from VADA leaving him only a few days to secure an opponent.

Hearn says he was inundated with offers from heavyweights, cruiserweights and bridgerweights who were willing to step in and fight Joshua at late notice but it was Helenius who got the nod.

Now the 39-year-old Fin, who stopped Mika Mielonen in three rounds on Saturday, has insisted he could never risk doping because he would be ‘lynched’ in his home country.

He said: “Of course it’s a problem because I don’t think everybody is on the same level, some have privileges that others don’t have.

“I think anti-doping should be the same in every country. For example, in your country when Dillian gets caught everybody just thinks ‘oh it’s boxing’ and nobody cares.

“In Finland, if I would be caught I would be lynched for my whole life. Two year minimum, nothing. I would never get a license again. I know Povetkin, Fury, Canelo. If I would do that I would never be able to box in Finland anymore.

“Either they should legalize everything for everybody or then have the same standard for everybody. It feels like I’m at a disadvantage, I don’t have the luxury of doing it. The come to my home, they take my blood, they come to my work and everything. It’s not fair. Who said that life should be fair?

“My doping is that I have a real high level of Viking blood in me. I don’t care! I don’t care. Use whatever you want.”