Advertising Disclosure

How retirees can invest unused HSA funds to grow the account

Here’s how to turn health savings into wealth savings

Updated:

Avatar photo
By:
Avatar photo

Mark Huffman
Reporter

Mark Huffman has covered consumer issues since 2004, with a special focus on protecting and empowering older adults. A former news correspondent for the Associated Press Radio Network, Westwood One, and ConsumerAffairs, Mark brings decades of journalistic experience to RetirementLiving.com. He is passionate about giving consumers a voice and helping them make informed decisions. Mark has also created educational content, including Senior Scam Alert, a video resource designed to help seniors recognize and avoid fraud. He holds a B.A. from the University of Kentucky and lives with his family in Richmond, Virginia.
getty-images-unsplash

Photo by Getty Images on Unsplash

Key Insights

  • Unused money in a Health Savings Account (HSA) can be invested for long-term growth.
  • HSAs offer triple tax advantages—contributions, growth, and withdrawals for qualified expenses are all tax-free.
  • Strategic investing within an HSA can help cover future medical costs or even serve as a supplemental retirement fund.

Many retirees leave their Health Savings Accounts idle, assuming the funds should only be used for medical bills. But HSAs can do far more than that—they can become powerful investment tools. 

Unlike Flexible Spending Accounts (FSAs), HSAs don’t expire, meaning your money can stay invested and continue to grow, tax-free, year after year.

HSAs stand out for offering three layers of tax benefits:

  1. Contributions are tax-deductible. Even if you’re retired, you can still contribute to an HSA if you have a high-deductible health plan.
  2. Earnings grow tax-free. Any interest, dividends, or capital gains generated from investments inside the HSA aren’t taxed.
  3. Withdrawals for qualified expenses are tax-free. That includes everything from prescriptions to long-term care premiums.

After age 65, withdrawals for non-medical purposes are taxed like regular income—similar to an IRA—so there’s no penalty if you decide to use the funds for general retirement expenses.

Investment options inside an HSA

Many HSA providers allow you to invest in mutual funds, ETFs, or other securities once your account balance reaches a minimum threshold (often around $1,000–$2,000). You can build a diversified portfolio tailored to your risk tolerance and time horizon.

For example, a retiree might:

  • Keep a portion in cash or short-term bonds for upcoming medical expenses.
  • Invest the remainder in broad-based index funds for long-term growth.

“The plan is to go into retirement with a six-figure HSA,” certified financial planner Dan Galli, owner of Daniel J. Galli & Associates in Norwell, Massachusetts, told CNBC. When coupled with other Roth and after-tax retirement funds, “this is the holy grail of retirement planning,” he said.

As healthcare costs continue to rise, investing unused HSA funds can help create a financial cushion for future medical needs, or even reduce your dependence on other retirement accounts. It’s a flexible strategy that keeps your money working for you, well into your later years.

Before making any changes, consult with a financial advisor or tax professional to ensure your HSA investments align with your overall retirement plan.