Every April 22, brands flood social feeds with green promises. But for supplement brands, sustainability isn’t a once-a-year campaign — it’s a daily operational reality that lives in your supply chain. This Earth Day, we’re cutting through the noise to show how sustainable sourcing practices directly impact your bottom line, your customer retention, and your brand’s long-term viability. The brands that treat their supply chain as a sustainability asset are the ones winning repeat purchases in 2026.