Social Democrats TD Jennifer Whitmore said the report doesn't reflect what most people are experiencing.
The consumer watchdog says it sees no evidence to justify an in-depth study of grocery prices.
The Competition and Consumer Protection Commission insists there's healthy competition in the food sector, and says increased prices are generally lower than the EU average.
It does acknowledge there are issues with the cost of agricultural products.
Social Democrats TD Jennifer Whitmore said the report doesn't reflect what most people are experiencing.

Friday's Kfm Obituary Announcements
New Cultural Programme Set For Castletown House
Celbridge Woman Who Lost Sister To CF Calls For People To Support Today's Fundraiser
Protestors, Including Kildare's John Dallon, Refused Entry From Government And Agriculture Bodies Meeting
Defence Forces Travelling To The Curragh Today For Training
Newbridge Silverware’s Silver-plated Cutlery Factory Officially Closes
Martin Heydon Will Meet Farming And Haulier Groups This Morning Amid Fuel Protests
Missing 17-Year-Old Joshua Treacy From Maynooth Has Been Located