Medical care · code 6090
Health supplement (premium)
健康保持用摂取品Ａ
Key facts
As of August 2026, health supplement (premium) prices in Japan are down 2.9% year on year and up 7.6% over five years. The official consumer price index stands at 108.0 (2020 = 100), up 2.4% versus January 2005, when the series begins.
Health supplement (premium) sits in the medical care group of Japan's CPI basket, with 260 monthly observations from January 2005 to August 2026. The series peaked at 111.2 in March 2025 and bottomed at 90.0 in April 2009; the latest reading is -2.9% against that peak. Against ten years ago it is +10.1%.
Latest CPI
108.0
2026-08 (2020=100)
YoY %
-2.9%
5y change %
+7.6%
Change since 2005-01
+2.4%
Annual average index by year
| Year | Index | YoY % | Months |
|---|---|---|---|
| 2015 | 100.4 | +2.6% | 12 |
| 2016 | 100.2 | -0.2% | 12 |
| 2017 | 100.4 | +0.2% | 12 |
| 2018 | 100.4 | 0.0% | 12 |
| 2019 | 100.0 | -0.4% | 12 |
| 2020 | 100.0 | 0.0% | 12 |
| 2021 | 100.2 | +0.2% | 12 |
| 2022 | 100.4 | +0.2% | 12 |
| 2023 | 104.6 | +4.2% | 12 |
| 2024 | 105.0 | +0.4% | 12 |
| 2025 | 109.9 | +4.7% | 12 |
| 2026 | 108.0 | -1.7% | 8 |
Average of the monthly index values in each year (2020 = 100). Blank months are excluded.
Frequently asked questions
- How much have health supplement (premium) prices changed in Japan over the past year?
- As of August 2026, -2.9% year on year, measured by Japan's official consumer price index (2020 = 100).
- How much have health supplement (premium) prices changed in Japan over the past five years?
- +7.6% compared with the same month five years earlier. The index now reads 108.0.
- When were health supplement (premium) prices in Japan at their highest?
- The series peaked at 111.2 in March 2025. The latest reading is -2.9% against that peak.
- What is the difference between the index and the yen price?
- This page carries two kinds of number. The index (2020 = 100) measures percentage change over time and is not a yen amount; the yen figure is an actual average retail price from the government's retail price survey. Source: 総務省統計局 消費者物価指数 (e-Stat table 0003427113, nationwide, monthly).