If Your Blood Vessels Stay Young, Your Healthy Lifespan Extends
Gentosha Publishing
12,000 copies sold
Advancing healthy longevity and beauty science — Dr. Hikaru Ishii, MD, PhD
An ECM-based approach grounded innatural fish skin collagen research
Extend healthy lifespan,support lasting beauty.
Dr.JAPAN focuses on extracellular matrix (ECM) health, supporting vibrant living through clinical research on natural fish skin collagen and evidence-based product development.
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Product Information
Developed by Dr.JAPAN
Dr.DECOLLA
A food product containing collagen
Dr.DECOLLA is a general food product developed by Dr.JAPAN. This page provides its name, ingredients, package contents, and other product information.
Category: Food
Developed by Dr.JAPAN Co., Ltd.
Package contents
28 sachets
Hormone-like ingredients
Not used
About Dr.DECOLLA
Dr.DECOLLA is a general food product. No effect or efficacy is claimed.
Key ingredients
- Natural cod skin collagen
- Elastin derived from bonito arterial bulbs
- Calcium
See the product page for its ingredients and other details.
The men’s sister product Dr.Energy is available via Alter membership sales.
What's New
- 2026/09/07Notice
- Information about Dr.DECOLLA has been added to our website.
- 2026/06/05Notice
- Clinical information has been added to our website.
- 2025/01/29Notice
- Our website has launched.
About Dr.JAPAN
Dr.JAPAN Co., Ltd. is dedicated to advancing healthy longevity and beauty science through rigorous clinical research on natural fish skin collagen.
Our founder, Dr. Hikaru Ishii, brings over 54 years of clinical experience, including a European patent for collagen-based vascular health, 17 years of NK cell immunotherapy (634 cases), and more than 50,000 gastrointestinal endoscopic procedures.
Guided by the hypothesis that healthy longevity and beauty share the same biological foundation — the extracellular matrix (ECM) — we conduct research and develop food products.
Publications by Dr. Hikaru Ishii
About our publications and sales figures
The Lies of Doctors
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