NEW CASTLE, Del., June 5, 2025 — Superbrewed Food, a leader in innovative food ingredients, announced new research results from a collaboration with Texas Woman’s University. The study shows that Postbiotic Cultured Protein is as effective as whey protein in supporting muscle health. It may also be a better choice for people at risk of type 2 diabetes.
The findings were presented at the American College of Sports Medicine annual meeting in Atlanta from May 27 to 30, 2025.
This study is part of a series sponsored by Superbrewed Food to explore the benefits of Postbiotic Cultured Protein. Researchers compared its effects on amino acid levels in the blood, as well as blood glucose and insulin responses, with those of whey protein concentrate. Tests were done with and without added carbohydrates (maltodextrin).
The key results show that Postbiotic Cultured Protein raises branched-chain amino acids (BCAAs) in the blood similarly to whey protein. BCAAs are important for building and maintaining muscle. When consumed with carbohydrates, Postbiotic Cultured Protein caused a more stable insulin response. Insulin levels were significantly lower during the first 90 minutes compared to whey protein with carbohydrates. This suggests Postbiotic Cultured Protein may offer metabolic advantages.
Specifically, the study found:
- BCAA levels in blood over three hours were similar for both proteins.
- Insulin levels were notably lower in the first 90 minutes after consuming Postbiotic Cultured Protein with maltodextrin, compared to whey with maltodextrin.
- Blood glucose responses showed no significant difference between the two protein sources, whether carbohydrates were present or not.
The insulin response hints at potential benefits for metabolism, especially in meals rich in carbohydrates. The study used 75 grams of maltodextrin (about 300 calories), a common amount in high-calorie post-workout products, which is not usually eaten with pure proteins.
These results matter for health and performance. While both proteins increased amino acids similarly, Postbiotic Cultured Protein led to a steadier insulin response. This is important because large insulin spikes can raise the risk of insulin resistance and conditions like type 2 diabetes.
Texas Woman’s University (TWU), the nation’s largest university system focused on women, conducted the research. Founded in 1901 and now coeducational, TWU offers programs in liberal arts, nursing, health sciences, business, and education across campuses in Denton, Dallas, and Houston. TWU is recognized for its high research activity, especially in stroke prevention, type 2 diabetes, and obesity.
Superbrewed Food develops natural, science-based ingredients using unique anaerobic fermentation technology. Its Postbiotic Cultured Protein comes from gut microflora and provides excellent nutrition with sustainability. The product is FDA GRAS certified, non-GMO, allergen-free, animal-free, and lactose-free, making it suitable for modern food innovation.
Related Topics
