Cupped hands holding fresh green leaves

Our hero is Rubisco.

A complete protein from green leaves.

As quoted in Time Magazine, June 2026
“From a food-ingredient point of view, it's one of the best natural proteins out there”

Slavko Komarnytsky, biologist, Plants for Human Health Institute, NC State University

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Ingredients

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Alfalfa growing in a Canterbury field under a blue sky
The science

Rubisco - The Utopia Protein

At Leaft, our focus is on all that each leaf has to offer.

The foundation for what we do is growing in our deep Canterbury soils - alfalfa.

Technology
Consumer

Leaft Blade

18 g of leaf protein and 6 mg of iron from 50,000 leaves, in a 100 ml shot. Ready to drink.

No powder, no shaker. Grown and made in Canterbury.

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A Leaft Blade pouch lying on pale stone in soft daylight
Our story

The Rubisco Revolution


Our story began in 2016 at Stanford University. We were sitting in an executive education classroom buzzing with ideas about the future of food, but something didn’t feel right. Were we polishing the past, or truly shaping the future?

Maury Leyland, co-founderRead our story
Maury Leyland and John Penno standing in an alfalfa crop

Then came the realisation: the answer had been hiding in plain sight.

As featured in Time Magazine: "From a food-ingredient point of view, it's one of the best natural proteins out there"