
High-leucine, animal-free protein designed for the future of food – from healthy aging to GLP-1 nutrition and beyond.
As global nutrition needs evolve, so must the proteins that power them. BLG Essential+™ is a next-generation beta-lactoglobulin produced through precision fermentation – offering a scalable, high-performance alternative to traditional dairy.
It enables food and ingredient manufacturers to meet rising demand for high-quality, digestible, and sustainable protein – while reducing reliance on volatile dairy supply chains.
The World Needs New Protein Solutions
Global dairy production is under growing pressure – and struggling to keep up. By 2030, supply is projected to fall short by more than 30 million tons of milk equivalents. Structural challenges like land and water constraints, climate-related stress, and a declining number of dairy producers make it increasingly difficult to scale.
At the same time, demand for high-quality protein is accelerating. Consumers are not just eating more protein – they’re rethinking how and why they consume it. Functional foods are on the rise, and protein is becoming a must-have across categories.
Two major forces are driving this shift: aging populations and the rapid adoption of GLP-1 medications. Older adults need accessible, digestible protein to preserve muscle and metabolic health. GLP-1 users are seeking nutrient-dense foods that support lean mass while reducing appetite. Together, these trends are reshaping nutrition – and exposing the limits of traditional protein supply.
At the same time, the industry faces rising pressures:
- Climate and water constraints
- Emissions targets and land use limitations
- Declining numbers of dairy farmers
- Unstable pricing and supply chain risks
There’s a clear need for resilient, efficient, and scalable alternatives.
What Sets BLG Essential+™ Apart
BLG Essential+™ is a high-purity beta-lactoglobulin – the main component of whey – made without animals. It offers nutritional and functional properties that traditional whey in many ways:
- High leucine content (45% more than whey) to support muscle maintenance and metabolic health
- Fast absorption and high digestibility, suitable for medical and senior nutrition
- Neutral taste and full solubility for seamless formulation in a wide range of applications: from clear drinks to yogurts, pancakes, soups, baked goods, and so much more
- Free from lactose, cholesterol, hormones, and antibiotics
- Consistent, scalable production with significantly lower environmental footprint
Supply Chain Resilience
Animal-free production is more than a sustainability benefit – it’s a strategic advantage. BLG Essential+™ is produced through precision fermentation, enabling year-round output with minimal environmental impact. It decouples protein production from agricultural volatility and allows ingredient companies to build local, stable supply chains.
This model also opens new value streams: for instance, transforming sugar into high-value protein using existing infrastructure.
Why Partner with 21st.BIO?
We don’t sell ingredients – we empower ingredient producers and food brands with the tech and know-how to make them. By licensing our BLG Essential+™ production platform, partners gain:
- Proprietary strain engineering for BLG production building on the legacy of the Novo Group
- A future-proof, animal-free protein that meets today’s market needs
- Faster time to market – with GRAS status and regulatory approvals in place
- Expert guidance to identify high-impact applications and scale efficiently
BLG Essential+™ is more than a protein — it’s the foundation for a healthier aging population.
Let’s build the future of food – sustainably, scientifically, and at scale. Contact us to explore how you can produce BLG Essential+™ and lead the way in healthy ageing innovation.



