Exemption

Dietary supplements

Retail Sales & Use Tax exemption · RCW 82.08.925; 82.12.925 · enacted 2003

All exemptions & deductions

Details

Citation
RCW 82.08.925; 82.12.925
Study reference
E1678-1
Tax type
Retail Sales & Use Tax
Preference type
Exemption
Category
Individuals
Year enacted
2003
End date
None scheduled

Fiscal impact (2024 study estimates)

Revenue if repealed — local ($M)
FY 2024: 0 · FY 2025: 5.08 · FY 2026: 5.74 · FY 2027: 5.94
Revenue if repealed — state ($M)
FY 2024: 0 · FY 2025: 11.3 · FY 2026: 12.76 · FY 2027: 13.2
Taxpayer savings — local ($M)
FY 2024: 5.34 · FY 2025: 5.54 · FY 2026: 5.74 · FY 2027: 5.94
Taxpayer savings — state ($M)
FY 2024: 11.88 · FY 2025: 12.32 · FY 2026: 12.76 · FY 2027: 13.2

CTI = confidential taxpayer information · D = unable to disclose

From the 2024 DOR Tax Exemption Study

82.08.925; 82.12.925 - Dietary supplements Description Dietary supplements for human use, dispensed to patients pursuant to a prescription, are exempt from sales and use taxes. Purpose To lessen the cost of prescribed dietary supplements. Taxpayer ($ in millions): savings FY 2024 FY 2025 FY 2026 FY 2027 State Taxes $11.880 $12.320 $12.760 $13.200 Local Taxes $5.340 $5.540 $5.740 $5.940 Repeal of Repealing this exemption would increase revenues. exemption Potential ($ in millions): revenue gains FY 2024 FY 2025 FY 2026 FY 2027 from full repeal State Taxes $0.000 $11.300 $12.760 $13.200 Local Taxes $0.000 $5.080 $5.740 $5.940 Assumptions - This repeal takes effect July 1, 2024, and impacts 11 months of collections in fiscal year 2025. - Growth rate mirrors the sales tax growth rate reflected in the Economic and Revenue Forecast Council's March 2023 forecast. - 10% of the dietary supplements purchased are prescribed. - Local revenue estimates use the statewide average local sales and use taxes rate of 2.92%. Data Sources - Economic and Revenue Forecast Council, March 2023 forecast - Nutrition Business Journal, 2015 Supplement Business Report - U.S. Census, Population data Additional A

Does this apply to you?

This is reference data from the 2024 study — not advice, and 2025–26 legislation may have changed it. Three ways to go deeper: