Nutrabolt is an Austin, Texas-based active health and wellness company known for brands like C4 Energy, Cellucor and XTEND. In January 2024 it led a $90 million financing of Bloom Nutrition (acquiring ~20% stake), and in September 2025 expanded its investment further (≈$160 million additional capital) to deepen its portfolio into greens, superfoods and functional beverages.