Ambrosia
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An intoxicating beverage, typically green in color. It is likely alcoholic although this has not been explicity mentioned in the series. It is the re-imagined version of the original series' ambrosa.
Ellen Tigh presents a bottle of Ambrosia to her husband, Colonel Tigh, after they have reunited. (Tigh Me Up, Tigh Me Down)
The luxury liner Cloud Nine offers ambrosia as a barside drink. (Colonial Day)
Greek Mythology
Ambrosia was said to be the food of the Olympian gods of Greece, conferring immortality on those who ate it.