What does Batman inject himself with?

What does Batman inject himself with? In certain comic stories, Bane uses as a strength serum called Venom, and a precursor to this substance seems the most likely answer for Batman’s injection. For one, adrenaline is colorless and Batman’s drug is bright green.

In certain comic stories, Bane uses as a strength serum called Venom, and a precursor to this substance seems the most likely answer for Batman’s injection. For one, adrenaline is colorless and Batman’s drug is bright green.
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