Last updated: March 2, 2026

How Does an HSA Work?

Formula

An HSA (Health Savings Account) offers a triple tax advantage: tax-deductible contributions, tax-free growth, and tax-free withdrawals for medical expenses.

After age 65, HSA funds can be used for any purpose (taxed as income, like a traditional IRA).

Common use cases:

  • Maximizing tax savings
  • Long-term medical expense planning
  • Retirement health care funding

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