EGCG Epigallocatechin gallate
245mg / servingThe catechin credited with accelerating fat oxidation in clinical literature.
Vol.01 · The Weight Edition
A single-origin ceremonial green tea, blended for those who wish to lose weight without losing themselves.
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Keystar is the opposite of a fad. It’s a slow, three-minute ceremony you already know how to perform. Boil water. Whisk the powder. Sit with yourself. The scale moves because your habits do — one honest cup at a time.


Index of actives · per 2g serving
The catechin credited with accelerating fat oxidation in clinical literature.
Softens the caffeine curve; you feel focused, never wired.
A quarter of an espresso. Enough to move, gentle enough to stay.
What gives Keystar its jade colour — and its cellular resilience.
Support metabolism during and between the cups.

“I lost eleven pounds over three months. But I gained a quieter morning, which is the part I actually paid for.
Marissa L.Copenhagen · verified buyer
“The first supplement I have taken because I wanted to — not because I had to. Also, my jeans fit.
Reyansh P.London · 8 weeks in
“It replaced my afternoon coffee and my afternoon snack. I did not plan for either. Down twelve pounds.
Ava T.Brooklyn · Batch 001
Batch 001 dispatches in
Everyone’s rhythm is different. The ritual is designed for daily, sustainable use — most readers begin noticing a change in their routine within a few weeks.
No. It is ceremonial green tea to drink before your first meal, as a gentle complement to your existing routine.
Single-origin stone-milled green tea from Uji, Kyoto. Nothing else.
Every order ships worldwide from our Kyoto dispatch within two business days.
Batch 001 comes with a simple 60-day return policy.