Potions of boost appearance/charisma/dexterity/learning/mana/perception/strength/toughness/willpower provide temporary increase in appropriate stat. Observed ranges are 1-3 for cursed, 3-7 for uncursed, 4-7 (or 8?) for blessed. Thus, blessing stat boost potions does not provide a huge difference. Satiation value — 125/100/50 for B/U/C (does not depend on stat).