Slate Milk | Raises $23M to Scale Protein Drinks

What’s happening:
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Slate Milk, the Boston-based protein drink company, just announced a $23 million Series B funding round. The raise positions Slate to accelerate production, expand retail presence, and roll out new flavors in the booming functional beverage market.

Why it matters:
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Protein drinks are one of the fastest-growing segments in sports nutrition. Consumers want clean ingredients, high protein counts, and convenience. Slate delivers with a lactose-free, 20g protein, low-sugar milk product that has carved out loyal fans.

The market context:

• Functional beverage sales expected to hit $200B+ globally by 2030
• Slate’s unique angle: nostalgia of chocolate milk + modern macros

Quick specs:

• Series B: $23M raised
• Protein content: 20g per can
• Sugar: 1g or less
• Nationwide retail expansion + direct-to-consumer growth

Playbook take: Slate Milk isn’t just selling nostalgia — it’s scaling a cultural shift. Clean protein drinks with familiar flavor could become the new standard in athlete recovery and performance.