Welcome Facebook Fans! Like Us to enter your information below to get your coupon for $1 off a box of Grape-Nuts (limit 1 per person). Select nuggets or flakes. Enjoy the naturally-sweet, unique crunch baked into each and every one of those tiny nuggets! Post Grape-Nuts is made from natural whole-grain wheat with barley. Available in 24oz or 32oz sizes. Expires 30 days from print date.