Over-the-top vitamin regimens have become bragging rights—and revenue streams—for the health-conscious and wellness-obsessed.

Millions of taxpayers are using a new IRS form to claim deductions for tips, overtime, car loan interest, and seniors. What is Schedule 1-A?

The new federal tax deduction could dramatically reduce your tax bill this year. But it's not exactly tax-free. We break down the critical rules and qualifications.