In an increasingly complex regulatory landscape, supplement companies need more than reactive compliance—they need systems that help them stay ahead of what’s coming next. The Supplement OWL (Online Wellness Library) label listing platform is proving its value beyond the halo of self-regulation.
Launched by the Council for Responsible Nutrition (CRN) in 2017, the Supplement OWL now serves as a working prototype for what Mandatory Product Listing (MPL) could be—transparent, practical, and delivering tangible benefits to participating companies.
And yes, it was originally launched to respond to regulators’ criticism that the supplement market was opaque morass of brands and products. But whether not a company supports MPL as a matter of policy or not, the real-world value of the OWL is hard to ignore.
A Practical Tool for Rapid Response
The Supplement OWL’s most immediate benefit? Speed. When potential product questions arise—for example, which supplements are impacted by a proposed ban on titanium dioxide? Is a particular dye used in supplements? Which ashwagandha products contain root or leaf? How many brands would be subject to new limits on heavy metals in prenatal supplements? Companies with products in the OWL can be identified and alerted more quickly. They can engage faster and respond to threats or at least prepare for the implications.
CRN staff have used the tool to proactively contact affected companies, facilitating early warning, convening private discussions, coordinating legislative opposition, and constructing scientific responses.
OWL participants are not caught off guard—they’re already in the loop.
That kind of rapid-response infrastructure becomes especially valuable when facing:
• Ingredient delistings or bans at the state level
• New scientific publications with regulatory implications
• Retailer or media scrutiny
• International compliance, such as with the European Union or changes at Codex.
A Living Model of How a Mandatory Registry Could Work
The OWL’s benefits go beyond its participants also helping to build trust in the broader marketplace. It demonstrates that a product listing platform can be:
• Non-disruptive to business operations
• User-friendly and adaptable to evolving supply chains
• Informative to regulators, retailers and consumers without being punitive to participants
As industry stakeholders, regulators and policymakers consider proposals for a mandatory registry, the OWL serves as proof that industry-led systems can balance transparency with practicality. It’s not theoretical—more than 150 brands and over 13,000 products have been listed in the OWL to date, showing the scalability of the approach. Some niche brands post a handful of products; other companies have literally thousands of labels. It works for both.
Beyond Compliance: Strategic Intelligence and Credibility
Even for companies that remain wary of federal mandates, the OWL offers immediate value. Listing product labels helps companies:
• Benchmark against competitors
• Prepare for retailer audits
• Manage brand reputation in an era of heightened ingredient scrutiny
• Demonstrate credibility in potential M&A discussions or investor due diligence
For companies in an industry still overcoming the misplaced reputation of “snake oil salesmen,” appearance in the OWL demonstrates commitment to accountability. Moreover, it strengthens the industry’s collective credibility. Retailers use the OWL as a benchmark for potential vendors who have nothing to hide; consumers trust that products in the OWL are visible to FDA, so they are more likely to be ethically produced and legally compliant. Even some international regulators now look to voluntary initiatives like the OWL as signals of maturity within the U.S. supplement sector.
A Step Ahead, Not a Step Back
Opposition to MPL often comes from a fear that it could become burdensome, duplicative, or punitive. But platforms like the OWL show that when done right, product listing is neither overhead nor obstacle, but a strategic asset.
Companies that invest in label transparency now are better positioned to navigate what’s next. They are already:
• Easier to reach when it counts
• Harder to conflate with bad actors
• Better equipped to respond to regulatory change
At a time when trust is a competitive advantage, participation in the Supplement OWL is good business. It’s one of many impactful self-regulatory initiatives developed by CRN that are advancing the dietary supplement industry.
Learn more about the Supplement OWL and other CRN initiatives: www.crnusa.org. NIE
Gretchen Powers leads CRN’s member experience, membership growth, and retention strategies, ensuring the association delivers meaningful value to companies across the dietary supplement and functional food industry. A longtime communications leader, she continues to oversee key branding initiatives, annual reports, and major industry programs, including CRN’s Consumer Survey on Dietary Supplements and Supplements to Savings report. She also led the award-winning Label Wise campaign and helped develop the branding and promotion of the Supplement OWL label database. Associated with CRN since 1999, Powers rejoined the organization in 2013 after working as an independent communications consultant, following an earlier marketing role with Chicago, IL-based architecture firm Holabird & Root. Ed Wyszumiala has been a veteran of the dietary supplement and pharmaceutical industries for more than 20 years. He joined CRN in November 2023 after spending seven years at United States Pharmacopeia (USP) following stints at The Vitamin Shoppe and Natural Algae Astaxanthin Association. (NAXA). He began his career in 2002 as the chief operating officer of Graminex LLC, a branded raw material manufacturer, in Saginaw, MI. before becoming the general manager of NSF International, a third-party certification company, in 2006.



