Enhancing health. Sustaining our planet.

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Inspired by nature.

Perfected by science.

For too many diseases, the best available treatment options simply aren’t good enough. Drug discovery has been limited by an inability to seamlessly fuse the power of both chemistry and biology to create a new frontier of therapeutic potential.

At Double Rainbow, we’re harnessing the power of natural evolution through bioengineering to improve the quality of human health and ensure the sustainability of our planet.

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Over the course of hundreds of millions of years, plants have evolved to use sugar as molecule-decoration, making said molecules more soluble and therefore, more potent,” Co-Founder of Double Rainbow Jing-Ke Weng says. “This has created a tremendously unexplored opportunity for medical innovation."


A new class of sustainable therapeutics and nutraceuticals born from nature’s blueprint.

Our values are what ground us, keep us connected, and help us balance human health with long-term sustainability.

01 Diversity

We believe a diverse system is an innovating system, a thriving system. We delight in cross-disciplinary partnerships that advance our thinking, our science, our reach.

02 Harmony

We believe homeostasis is the optimal state. We take pride in balancing the ancient and the modern, the natural and the lab-made.

03 Wonder

We believe awe is a scientific responsibility. We embrace complexity. We uphold the wisdom of the wild and the intricacies of engineering.

04 Precision

We believe in the power of systems, structures, and specificity. The earth has its rules, and we honor them along with our own scientific and technological expertise.