~POTIONS~
(Contains spoilers, so don't read if you haven't read the manga / watched whole the TV series yet. Or do read, but you've been warned)
During the series, we often see Urd in her laboratory. Here is the info about her potions, which are known by name and/or effect.
Name: Love Potion #9
Mentioned in: v4 ch25
Makes certain words, actions or objects act as a "love trigger", causing a person to fall in love with the one who activates the trigger.
Name: Urdrogen-X
Mentioned in: v4 ch29
Special amnesia antidote. Urd was going to give it to Mara who lost her memory.
Name: Valentine love potion
Mentioned in: v5 ch31
Was added by Urd to Bell's Valentine chocolate to "spice" the holiday for Bell and Keiichi.
Name: Super Delux Love Potion
Mentioned in: v7 ch43
Was intended to make Keiichi "make his move" towards Bell. The flask was broken by Skuld.
Name: Emperor of Flavor Gold Two-Hundred
Mentioned in: v8 ch49
Helps to prepare "unforgettable" dinner.
Name: Kiss of the Virgin
Mentioned in: v8 ch52
Unknown effect
Name: Power Booster Body Rebuilder
Mentioned in: v10 ch59
Actual effect unknown
Name: Sweet Project A
Mentioned in: v12 ch71
Truth serum.
Mentioned in :v20 ch126
Guts accelerator
Mentioned in: v28 ch177
Anti-virus medicine for Belldandy
Name: Trans-Mutant X
Mentioned in: v28 ch180
Unknown effect. Was offered by Urd to cure Velsper from white dots on his fur.
Name: Spell booster
Mentioned in: v31 ch195
Amplifies the effect of "I love you" words. Makes a person fall in love after hearing them.
Name: Straight Truth 3
Mentioned in: v34 ch217
Truth serum.