USE CASE
共同開発事例
TECHNOLOGY
TESTE TUNING
COMPANY
FINE TUNING INC.
ROLE
PRODUCT DEVELOPMENT
Dec 14.2024
FINE TUNING®︎ Adopted by 'RIO (BUTTER&COFFEE)', a Brand Specializing in Bulletproof Coffee

Butter coffee has captured a niche market among health-conscious consumers, successfully gaining loyal repeat customers. However, there were several challenges: the product's distinctive bitterness, the tendency for digestive issues when consuming larger amounts of MCT oil or ghee oil, and inconsistent flavor due to insufficient mixing of coffee and oils.
RIO (BUTTER&COFFEE) uses FINE TUNING® technology to achieve a more refined micellar state (fine dispersion) between coffee and oils, simultaneously delivering a smooth taste and improved digestibility that reduces stomach discomfort.
- 1. Background and Problem Recognition
- Brand Overview
- Challenges and Needs
- The Deciding Factor for Adopting FINE TUNING®
- 2. Overview of FINE TUNING® Technology and Expected Benefits
- Features of the Technology
- Scientific Basis for Milder Taste
- Impact on Repeat Purchases and Return Rates
- 3. Implementation Process
- Data Analysis and Fine-Tuning
- Schedule and Timeline
- Internal Collaboration
- 4. Demonstrated Results and Evidence
- Quantitative Outcomes
- 5. Effects and Ripple Benefits Post-Implementation
- Enhanced Customer Satisfaction
- Impact on Sales Volume
- Internal Evaluation and Future Prospects
- 6. Summary and Outlook
- Summary
- Future Prospects
1. Background and Problem Recognition
Brand Overview
RIO (BUTTER&COFFEE) is a health-conscious brand developed by FINE TUNING Inc. Through MCT oil and ghee oil for Bulletproof Coffee, the brand has built a stable base of repeat customers, targeting users focused on energy management and dieting.
Challenges and Needs
To strengthen market competitiveness, the following aspects were essential:
Flavor Enhancement: Reducing bitterness while enhancing the natural aroma of coffee.
Reducing Digestive Issues: Mitigating the “loose stomach” phenomenon caused by excessive consumption of MCT and ghee oils.
Achieving a Micellar State: Ensuring the coffee and oil blend seamlessly, creating a stable, smooth taste and texture.
Conventional methods faced difficulties in addressing these multifaceted challenges simultaneously, necessitating a new approach.
The Deciding Factor for Adopting FINE TUNING®
FINE TUNING® is a technology that adjusts a product’s internal properties at a quantum level, improving bitterness, flavor, and oil dispersibility without additives. This technology enables the coffee and oil to blend into a micellar state, achieving a smooth taste while reducing digestive issues, all at the same time.
2. Overview of FINE TUNING® Technology and Expected Benefits
Features of the Technology
FINE TUNING® technology fine-tunes the quantum state of target products, influencing taste, composition, and dispersibility. By leveraging this technology, RIO achieved the following:
Flavor Improvement: Suppressed bitterness and enhanced coffee aroma for a smooth and mellow taste.
Formation of Micellar State: Coffee and oil blend uniformly, providing a stable and silky drinking experience.
Digestive-Friendly Design: Reduced “loose stomach” effect from excessive consumption of MCT and ghee oils.
Scientific Basis for Milder Taste
Drawing on insights from taste trials, such as changes in whisky flavor with minor condition adjustments and water quality effects on taste, blending coffee and oil into a micellar state helps disperse aromatic compounds effectively while suppressing bitterness. This leads to a milder flavor profile.
Impact on Repeat Purchases and Return Rates
Following the adoption of FINE TUNING®, improvements in flavor and drinkability increased repeat purchases while significantly reducing complaints and returns. Enhanced customer satisfaction has been numerically verified.
3. Implementation Process
Data Analysis and Fine-Tuning
Taste evaluations, analysis of digestive effects, and observation of coffee and oil blending states were conducted in-house. Feedback from these studies guided iterative fine-tuning using the FINE TUNING® system, achieving the optimal balance for micellar formation, flavor, and drinkability.
Schedule and Timeline
From initial testing to efficacy validation, multiple prototypes and adjustments were conducted over three months, achieving quality improvements within a short timeframe.
Internal Collaboration
Close collaboration between the brand team and the R&D department ensured immediate incorporation of customer feedback. This consumer-centered approach drove continuous quality improvements.
4. Demonstrated Results and Evidence
Quantitative Outcomes
Comparisons before and after implementation revealed:
Flavor scores increased from an average of 5 to 7.
Feedback regarding digestive issues (e.g., loose stomach) decreased by approximately 30%.
Improved blending of coffee and oil resulted in enhanced taste stability due to micellar state formation.
Note: This initiative is based on internal evaluations and analyses and does not involve third-party research institutions.
5. Effects and Ripple Benefits Post-Implementation
Enhanced Customer Satisfaction
Positive feedback, such as “the taste has become smoother” and “reduced digestive concerns,” contributed to increased repeat purchases and reduced return rates, strengthening brand trust.
Impact on Sales Volume
Despite being a niche market, stable demand from repeat customers has led to steady sales. The adoption of FINE TUNING® has contributed to mid- to long-term brand value enhancement.
Internal Evaluation and Future Prospects
The technology’s success has garnered high internal praise, prompting considerations for application to other health-conscious products and new product domains. Opportunities for further flavor enhancement and market expansion are on the horizon.
6. Summary and Outlook
Summary
By leveraging FINE TUNING® technology, RIO (BUTTER&COFFEE) has simultaneously achieved reduced bitterness, micellar state formation, and a digestive-friendly design. This has resulted in increased customer satisfaction and a growing base of repeat customers, delivering clear outcomes.
Future Prospects
Moving forward, efforts will focus on accumulating further evidence, applying the technology to other product lines, and tackling new challenges to drive brand growth. The delicate adjustments enabled by FINE TUNING® will continue to enhance customer experiences and support the creation of new value in the Bulletproof Coffee market.
AUTHOR
この記事の執筆者

CEO / RESERCHER
Rio
After graduating from Stylus College in British Columbia, Canada, Rio joined Roland Corporation, a major electronic musical instrument manufacturer, where he was involved in the development of digital synthesizers. He became an independent entrepreneur in 2020, founding a system and application development company. In 2021, he conceived of a completely new technology to optimize objects by applying digital data. Convinced that this technology holds infinite potential to solve various future challenges, he established FINE TUNING Inc. to lead its research, development, and social implementation.
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