Related Clues:

• In favour of one in ten dietary component
• Dietary essential
• Corruption in Portugal? A German life depends on it!
• Soy is a good source of it
• Pointer (anag)
• A body chemical; pointer (anag.)
• Minister supporting English builder
• The individual raising a point with the minister
• Important part of diet
• Muscle shown by voter switching sides early on
• Food that favours adolescent, we're told
• English clergyman building muscle
• Body-builder favouring loaf to get inner energy
• Last contributor to debate, minister showing muscle
• Just the food for growing lad, say?