Martin Lewis said "it's the most lucrative thing you'll do" as he issued a pension warning.
The finance guru appeared on yesterday's This Morning to dish out valuable financial advice. A viewer who was 10 years short of receiving the full State Pension asked whether they should cash in a private policy to top it up.
The Money Saving Expert split the question into two parts as he revealed people in a similar position need to act before a deadline on July 31. State Pension claimants must fill out gaps in their National Insurance contributions (NIC) before this date or face losing thousands of pounds.