 Dr. Marty Goldstein, though, created his own formula called Nature's Blend. Freeze-dried raw, no need to worry about potential AGEs. It's shelf-stable, mess-free, full of nutrients. Tastes absolutely delicious, according to dogs. Save up to 54% off Nature's Blend. Receive a free bag of Cod Krispies. Simply go to drmartypets.com slash coast, doctor spelled D-R,