♻️About
ReRootSG
From a classroom idea at Republic Polytechnic
to a growing circular-economy venture,
ReRootSG connects Singapore's food system with the green in Singapore
Born in Republic Polytechnic
Aligned with Singapore's
sustainability goals
From food waste
to plant growth
Our Story
ReRootSG began from an earlier student led sustainability initiative focused on upcycling food waste into useful products.
As the project grew and evolved, we refreshed our name and direction but our mission remains the same: to give food waste a second life.
Today, ReRootSG focuses on turning everyday food by-products such as eggshells, banana peels, coffee grounds, and SCOBY into sustainable plant fertiliser, educational experiences, and community impact.
Same vision. Same goal. New roots.
We believe circular solutions should be practical, local, and easy to understand. Through our products, workshops, and partnerships, we hope to support greener growing and inspire more people in Singapore to see waste as a resource.
Education & Community
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Hands-on workshops that turn food waste into learning.
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Partnerships with schools, community gardens, and local organisations.
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Building awareness around circular economy and sustainable plant care.
Meet the team behind ReRootSG
ReRootSG is built by a small team passionate about sustainability, circular economy, plant care, and education. Together, we work on product development, partnerships, workshops, branding, and outreach to turn food waste into useful solutions for plants and communities.
Founder
Javier Tan Jun-En
Leads product development, operations, outreach and sustainability research.
Co - Founder
Terry Phua Cheng Hong
Leads marketing, branding, website, and outreach.
Operations & Logistics Lead
Nathan Tay
Manages inventory, procurement, documentation, scheduling, and other backend operations.
Food By-products we give a second life
At ReRootSG, we work with everyday food by-products that are often discarded.
and explore how they can be transformed into useful plant care solutions.
🥚
Eggshells
Calcium Rich
Provides calcium and trace minerals that strengthen plant cell walls, support healthy root development, and help prevent calcium deficiencies.
Source: Upcycled eggshells collected from Swee Heng
🍌
Banana Peels
Potassium Rich
Provides potassium and trace minerals that support healthy root growth, improve water regulation, and promote flowering and fruit development.
Source: Upcycled banana peels collected from Swee Heng
🥚
SCOBY
Organic Matter Rich
Provides organic matter and natural nutrients that improve soil structure, support beneficial soil microorganisms, and encourage healthy root development.
Source: Upcycled scoby collected from Châteaux
☕
Coffee Grounds
Nitrogen Rich
Provides nitrogen and organic matter that support leafy growth, improve soil structure, and encourage beneficial soil microorganisms.
Source: Upcycled coffee grounds collected from
A1 Environement