Is Space Milk the New Whey Protein? | What the Fitness | Biolayne
Why It Matters
Space Milk provides a nutritionally comparable, allergen‑free protein for plant‑based consumers, yet its premium price and lack of proven advantages over whey restrict its market impact.
Key Takeaways
- •Space Milk, a baker's yeast protein, matches whey’s quality score
- •Double‑blind trial found no statistically significant difference versus whey
- •Claims of superior satiety lack supporting data in the study
- •Yeast protein costs 30‑40% more per 20 g protein
- •Best amino‑acid profile among plant proteins, but not whey‑better
Summary
The video examines Space Milk, a protein isolate derived from baker’s yeast, marketed as a plant‑based alternative that supposedly outperforms whey, soy and other proteins.
A double‑blind clinical trial compared Space Milk to whey in resistance‑training participants. The results showed no statistically significant differences in lean‑mass gains; bench‑press performance favored the yeast protein while leg‑press favored whey, which the host attributes to random variation. Amino‑acid analysis revealed a protein quality (PDCAAS) identical to whey, with only marginally lower leucine and essential amino‑acid levels.
The host points out that the study did not measure satiety, contradicting the brand’s claim of superior fullness from its slow‑release nature. Cost analysis shows Space Milk costs roughly 30‑40 % more per 20 g of protein and contains slightly more carbohydrates than typical whey isolates.
For vegans or those with dairy allergies, Space Milk offers a high‑quality plant protein, but for omnivores the higher price delivers no performance edge, limiting its appeal as a mainstream whey replacement.
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