A "Vinegar Diet" Book by a Diet Instructor Who Led Over 3,000 People to Success is Being Released! Highly Popular Campaigns Also Being Held
KADOKAWA will release 'Instant Eating Vinegar Diet Changed by a Spoonful' by diet instructor Rie Matsuda on May 26, 2026. A pre-order campaign via official LINE started on April 1.
📋 Article Processing Timeline
- 📰 Published: April 2, 2026 at 02:00
- 🔍 Collected: April 1, 2026 at 17:37
- 🤖 AI Analyzed: April 21, 2026 at 07:19 (469h 41m after Collected)
KADOKAWA CORPORATION (Headquarters: Chiyoda-ku, Tokyo, Director, Representative Executive Officer and CEO: Takeshi Natsuno) will release the practical health book 'Instant Eating Vinegar Diet Changed by a Spoonful' (1,980 yen / 10% tax included) by Rie Matsuda, a public health nurse and diet instructor, on Tuesday, May 26, 2026. Pre-orders began today, Wednesday, April 1, at online and physical bookstores.
This book is a vinegar diet book proposed by Ms. Matsuda, who has an established reputation for her eat-and-lose-weight methods. It focuses on a new habit that is easy to practice at the daily dining table and effortlessly incorporates "vinegar" into everyday meals. The content is designed to be easy to continue even for those leading busy lives.
A major feature is that it is easy to start even for those who do not like vinegar. It introduces ways to incorporate it that suppress the strong sourness, as well as recipes and eating methods that naturally blend into regular meals, making it structured so that it can be easily adopted into daily life without any special preparation. As the title suggests, the ease of starting with just a "spoonful" is also appealing. It is a practical book for those who want to review their eating habits without trying too hard, making it easy to continue naturally every day.
In addition, a pre-order campaign has been decided prior to the release. Furthermore, bookstore purchase campaigns and other promotions are scheduled to be held sequentially (details to be announced later). Please look forward to 'Instant Eating Vinegar Diet Changed by a Spoonful' as a new habit starting from your daily dining table.
## ■ Book Purchase Campaign Launched!
**- Pre-order Campaign**
To commemorate the release of this book, a campaign where you can get a bonus by pre-ordering will be held starting from Wednesday, April 1. For more information such as how to participate, please see the URL below.
**Campaign Period:** Wednesday, April 1, 2026, 17:00 ~ Monday, May 25, 2026, 23:59
**How to get the bonus:** Follow Rie Matsuda's official LINE to receive instructions.
**URL:** https://x.gd/kG50f
*Other campaigns, such as bookstore purchase campaigns, will be announced at a later date.
## ■ Comment from Rie Matsuda
The key to graduating from dieting is finding something you can continue even in your busy everyday life. In this book, I have summarized a simple way to change your body without overexerting yourself, just by adding "a spoonful of vinegar" to your meals. I would be happy if this could be of help to you in graduating from dieting.
This book is a vinegar diet book proposed by Ms. Matsuda, who has an established reputation for her eat-and-lose-weight methods. It focuses on a new habit that is easy to practice at the daily dining table and effortlessly incorporates "vinegar" into everyday meals. The content is designed to be easy to continue even for those leading busy lives.
A major feature is that it is easy to start even for those who do not like vinegar. It introduces ways to incorporate it that suppress the strong sourness, as well as recipes and eating methods that naturally blend into regular meals, making it structured so that it can be easily adopted into daily life without any special preparation. As the title suggests, the ease of starting with just a "spoonful" is also appealing. It is a practical book for those who want to review their eating habits without trying too hard, making it easy to continue naturally every day.
In addition, a pre-order campaign has been decided prior to the release. Furthermore, bookstore purchase campaigns and other promotions are scheduled to be held sequentially (details to be announced later). Please look forward to 'Instant Eating Vinegar Diet Changed by a Spoonful' as a new habit starting from your daily dining table.
## ■ Book Purchase Campaign Launched!
**- Pre-order Campaign**
To commemorate the release of this book, a campaign where you can get a bonus by pre-ordering will be held starting from Wednesday, April 1. For more information such as how to participate, please see the URL below.
**Campaign Period:** Wednesday, April 1, 2026, 17:00 ~ Monday, May 25, 2026, 23:59
**How to get the bonus:** Follow Rie Matsuda's official LINE to receive instructions.
**URL:** https://x.gd/kG50f
*Other campaigns, such as bookstore purchase campaigns, will be announced at a later date.
## ■ Comment from Rie Matsuda
The key to graduating from dieting is finding something you can continue even in your busy everyday life. In this book, I have summarized a simple way to change your body without overexerting yourself, just by adding "a spoonful of vinegar" to your meals. I would be happy if this could be of help to you in graduating from dieting.