elixir

ihmelääke

eliksiiri puhekieltä A liquid which converts lead to gold.
2002, Philip Ball, The Elements: A Very Short Introduction, Oxford 2004, p. 59:

For Chinese alchemists, gold held the key to the Elixir, the Eastern equivalent of the Philosopher's Stone.

The silver-bullet cancer cures of yesterday’s newsmagazine covers, like interferon and angiogenesis inhibitors, disappointed the breathless expectations, as have elixirs such as antioxidants, Vioxx, and hormone replacement therapy.