28/02/2026
We’ve been told for years that "high protein" is the golden ticket for metabolic health. And yes—short-term, it works. Research shows that increasing protein can significantly improve blood glucose responses in those with Type 2 Diabetes [1].
But here is where the science gets interesting.
Emerging evidence suggests that for long-term health, the source of your protein is the missing piece of the puzzle.
Major longitudinal data, including the Rotterdam Study, reveals a clear distinction:
Animal Protein: Higher intake is linked to increased longitudinal insulin resistance and a higher risk of prediabetes and Type 2 Diabetes [2, 3].
Plant Protein: Is not associated with these risks and is linked to better long-term insulin sensitivity [2, 3].
Why the difference? It’s about the metabolic "package."
New clinical trials show that reducing certain amino acids found heavily in animal products (BCAAs) can actually reduce excess insulin secretion and favorably modify your microbiome composition [4].
If you’re playing the long game for your health, it’s time to look beyond just the grams and start prioritizing the source.
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