For centuries, Nan Dam Ban (Blue Chalcanthite, CuSO₄·5H₂O) has been recorded in Eastern medical texts such as the Shennong Bencao Jing and Korea’s Dongui Bogam. Admired for its striking qualities but feared for its toxicity, it remained a mineral shrouded in mystery for over a thousand years.
Master Kim Il-hoon (Insan) changed that history. By creating a purification method that transformed Dam Ban into a safe and usable form, he gave birth to Nandamban — the core ingredient that powers both the Miracle Capsule and Cell Guardian.
🌿 The Traditional Process of Beopje (법제)
The refinement of Nandamban follows the Korean purification method called Beopje, perfected by Master Insan:
- Selection of Raw Dam Ban – Carefully chosen Blue Chalcanthite (CuSO₄·5H₂O) begins the process.
- 24-Hour High Heat Roasting – The mineral is roasted at extreme temperatures for an entire day, burning away harmful toxins.
- Cooling & Egg-White Fusion – As the mineral cools, fresh egg white (albumen) is blended in, encapsulating and protecting the natural minerals.
- Final Purification – The mixture stabilizes, ensuring safety while preserving the mineral’s natural qualities.
Through this process, raw Dam Ban — once admired and feared — is reborn as Nandamban, a safe and refined mineral compound.

💎 Nandamban in the Miracle Capsule
The Miracle Capsule uses the most concentrated and powerful form of Nandamban, created through Insan’s original purification method. Backed by 150 years of refinement and protected by world patents, it represents the full strength of Insan’s legacy.
🌾 Nandamban in Cell Guardian
Cell Guardian offers a gentler, daily alternative to the Miracle Capsule. It still contains refined Nandamban but is balanced with fermented rice extract and roasted garlic powder, making it approachable for everyday use while carrying the same heritage of refinement.
⚖️ Miracle Capsule vs. Cell Guardian
- Miracle Capsule: Strong, concentrated, and closest to Master Insan’s original refinement.
- Cell Guardian: Lighter, daily option enriched with rice and garlic for balanced daily support.
Both are powered by the same Insan purification method, representing a perfect balance of heritage, safety, and innovation.
✨ Closing Thoughts
From a toxic mineral feared for centuries to a safe and refined compound, Nandamban’s journey is one of tradition, innovation, and dedication. Thanks to Master Insan’s breakthrough and Dr. Choi Eun-A’s ongoing research, Nandamban lives on in two unique forms: the Miracle Capsule for concentrated strength and Cell Guardian for gentle daily balance.
Ready to experience the benefits of Miracle Capsule and Cellguardian yourself? Visit our official store at bamboosalt.com










