Ancient + Brave introduced True Biome, a gut health supplement positioned as an alternative to traditional probiotic-heavy formulations. Rather than adding live bacteria, the product focuses on supporting the gut environment itself through a combination of prebiotic, postbiotic and amino acid ingredients. The approach reflects a broader shift in digestive health toward microbiome support, gut barrier integrity and immune signaling, rather than CFU counts alone.

True Biome is built around three functional components aligned with emerging formulation trends. Partially hydrolyzed guar gum (PHGG) serves as a low-FODMAP prebiotic fiber designed to nourish beneficial microbes with reduced digestive discomfort, addressing ongoing consumer sensitivity around bloating. L-glutamine targets gut lining support, a growing area of interest tied to permeability, stress and whole-body health. The inclusion of HK L-137, a heat-killed postbiotic, signals interest in immune-modulating ingredients that do not require live cultures, offering potential advantages in stability, shelf life and formulation flexibility.