Possible Clues:

• Nourishing substance
• Substance that provides nourishment
• Fool torn over one very good piece of food
• Substance to give energy and build tissue
• Nutter in trouble providing a source of nourishment
• Nutter in unfamiliar water, for example
• Bit of food Greek character and I found in river
• Fuel for the body
• Substance providing nourishment
• Source of nourishment