Possible Clues:

• Initially see Nick eating a vegetable
• Go round a church, finding source of strength?
• Invading wasp in a chap’s vegetable
• Green smoothie ingredient
• Leaves trip with a lot of pain
• A vegetable twist with hearts of yam and artichokes
• Pressure in China's reconstruction to find natural iron source
• Leaves mum drinking half of pina colada
• Green veg
• After drive, a companion leaves