At minimum, look for an FDA-registered facility operating under cGMP (21 CFR Part 111). Additional certifications like NSF Certified for Sport, Informed Sport, or USP verification add credibility for premium or athletic market positioning. Kosher and halal certification matters if you target those communities. Vegan gummies (pectin-based) should come from facilities that can document gelatin-free production lines.
Read the full guide on how to find a supplement formulator for gummy vitamins →