Good source of fiber

• Protein shake spoonful
• Health-food store offering
• Vitamin source
• Health food product
• Nutritious cereal foodstuff
• Threw game, being corrupt, for some good stuff in food
• Dry floury foodstuff — merge what? (anag)

Wiktionary Word definitions in Wiktionary
n. (alternative spelling of wheat germ English)

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
noun EXAMPLES FROM CORPUS ▪ Callahan had turned the colour of flour with all the wheatgerm kicked out of it. ▪ F, move on to floating wheatgerm . ▪ Floating wheatgerm pellets should be gradually phased into their diet until they replace the normal, high-protein ...