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 easiest, most reliable way to judge a mutual fund's quality over time is by analyzing its performance, diversification, and fees. The Zacks Mutual Fund Rank, which covers over 19,000 mutual funds, has helped us identify three outstanding options that are perfect for any long-term investors' portfolios that is retirement-focused.

Let's take a look at some of our top-ranked mutual funds with the lowest fees.

MM Select Equity Asset I (MSEJX Quick QuoteMSEJX - Free Report) : 0.23% expense ratio and 0.18% management fee. MSEJX is a Global - Equity mutual fund. These funds invest in large markets like the U.S., Europe, and Japan, and operate with very few geographical limitations. MSEJX has achieved five-year annual returns of an astounding 10.81%.

Invesco Gold & Special Minerals R6 (OGMIX Quick QuoteOGMIX - Free Report) : 0.66% expense ratio and 0.58% management fee. OGMIX is a Sector - Precious Metal mutual fund, typically investing in companies that are involved in the mining and production of precious metals like gold, silver, platinum, and palladium. With yearly returns of 11.43% over the last five years, OGMIX is an effectively diversified fund with a long reputation of solidly positive performance.

JPMorgan Large Cap Growth C (OLGCX Quick QuoteOLGCX - Free Report) : 1.43% expense ratio and 0.45% management fee. OLGCX is a Large Cap Growth mutual fund, and these funds invest in many large U.S. firms that are projected to grow at a faster rate than their large-cap peers. With a five-year annual return of 13.97%, 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.