Kill titans and unicorns to get food. Alternatively, just get a bunch of food from Emesa and carry it around with you. You can make highly nourishing potions using seed pods from the swamp and your alchemy ability. Also, you could, as previously suggested, use the spell for food.
Keep in mind, it's okay to go hungry as long as you don't need to regenerate health or magic.
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Slayer's guide to Cythera:
[url="http://"http://www.macclassics.com/cythera/cythera.htm"]
http://www.macclassi...era/cythera.htm[/url]