It is never too late to invest in mutual funds for retirement. As such, if you plan to invest in some of the best funds, the Zacks Mutual Fund Rank can provide you with valuable guidance.

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.

Franklin Gold & Precious Metals A (FKRCX Quick QuoteFKRCX - Free Report) : 0.88% expense ratio and 0.48% management fee. Sector - Precious Metal funds like FKRCX normally invest in stocks focused on the mining and production of precious metals such as gold, silver, platinum, and palladium. With annual returns of 6.88% over the last five years, this fund is a winner.

Guidestone International Equity Investor (GIEZX). Expense ratio: 1.12%. Management fee: 0.76%. GIEZX 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. This fund has managed to produce a robust 10.16% over the last five years.

Janus Henderson Enterprise Institutional (JAAGX). Expense ratio: 0.72%. Management fee: 0.64%. Five year annual return: 11.25%. JAAGX is a Mid Cap Growth mutual fund. These funds aim to target companies with a market capitalization between $2 billion and $10 billion that are also expected to exhibit more extensive growth opportunities for investors than their peers.

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.