Investing in mutual funds for retirement is never too late. And the Zacks Mutual Fund Rank can be an excellent tool for investors looking to invest in the best funds.

The best way to shortlist great mutual funds is to ensure solid performance, diversification, and low fees. Some are better than others, but utilizing the Zacks Mutual Fund Rank, we have identified three mutual funds that could be solid additions to one's retirement portfolio.

Let's learn about some of Zacks' highest ranked mutual funds with low fees you may want to consider.

Federated MDT Stock Trust IS (FMSTX): 0.76% expense ratio and 0.65% management fee. FMSTX is a Large Cap Value fund. These funds invest in stocks with a market cap of $10 billion of more, but whose share prices do not reflect their intrinsic value. FMSTX has achieved five-year annual returns of an astounding 13.95%.

MFS Blended Research Intl Eq R2 (BRXSX Quick QuoteBRXSX - Free Report) is a stand out amongst its peers. BRXSX is a part of the Non US - Equity fund category, many of which will focus across all cap levels, and will typically allocate their investments between emerging and developed markets. With five-year annualized performance of 11.45%, expense ratio of 1.15% and management fee of 0.35%, this diversified fund is an attractive buy with a strong history of performance.

Hartford Real Asset F (HRLFX): 0.9% expense ratio and 0.8% management fee. HRLFX is an Allocation Balanced mutual fund. Allocation Balanced funds look to invest across asset types, like stocks, bonds, and cash, and including precious metals or commodities is not unusual; these funds are mostly categorized by their respective asset allocation. The fund is mainly invested in equities, has a long reputation of salutary performance, and has yearly returns of 10.22% over the last five years.

There you have it. If your financial advisor had you put your money into any of our top-ranked funds, then they've got you covered. If not, you may need to talk.