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.

Here are the funds that have achieved the Zacks Mutual Fund Rank #1 (Strong Buy) and have low fees.

MainStay Large Cap Growth R3 (MLGRX Quick QuoteMLGRX - Free Report) has a 1.31% expense ratio and 0.61% management fee. MLGRX is a part of the Large Cap Growth mutual fund category, which invest in many large U.S. companies that are expected to grow much faster compared to other large-cap stocks. With yearly returns of 10.82% over the last five years, this fund clearly wins.

Neuberger Berman Guardian Investor (NGUAX Quick QuoteNGUAX - Free Report) : 0.84% expense ratio and 0.74% management fee. NGUAX is a Large Cap Value mutual fund, which invests in stocks with a market cap of $10 billion of more, but whose share prices do not reflect their intrinsic value. NGUAX, with annual returns of 13.46% over the last five years, is a well-diversified fund with a long track record of success.

T. Rowe Price Science & Technology Fund (PRSCX Quick QuotePRSCX - Free Report) : 0.84% expense ratio and 0.64% management fee. PRSCX is a Sector - Tech mutual fund, allowing investors to own a stake in a notoriously volatile sector with a much more diversified approach. With a five-year annual return of 10.3%, this fund is a well-diversified fund with a long track record of success.

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.