Two men were arrested on suspicion of supplying drugs to a fitness coach who died two months ago.
A post-mortem failed to reveal the exact cause of death of Travis Barber, 19, from Salford.
His injuries were however said to be consistent with accidental trauma as a result of an adverse reaction to drugs.
Greater Manchester Police later issued a warning about Ecstasy tablets after they discovered he had taken such a tablet in the shape of a pink heart two days before his body was found.
Today, police said two men had been detained on suspicion of supplying Class A drugs.
A 33-year-old man from Stockport has been bailed until June 26 pending further inquiries, while a 36-year-old man from Stockport was subsequently released without charge.
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Frost free Sunday night but turning much colder during Monday
A man has been killed by thieves who ran him over in his own car after he confronted them outside his home, police said.
By the end of Monday a cold northerly wind, widespread frost and risk of wintry showers into Tuesday