Vitamin Brand Index

Certifications

Why do third-party ceritification badges on supplement labels - NSF, USP, GMP, organic, and more - matter?

Clinically Studied Licensed Ingredients

Understand why brands use licensed indgredients to carry claims on supplement labels.

In-House Testing

Why running quality tests inside your own facility can raise standards and boost consumer trust.

"Made in USA"

Learn the legal definition of a "Made in USA" label, how it applies to dietary supplements, and the clues that reveal a product's true manufacturing origin.

Brand Ownership & Transparency

Learn why knowing who truly owns a supplement brand can reveal a lot about ingredient quality, manufacturing standards, and the values guiding every bottle.

Proprietary Blends

Proprietary blends let supplement companies hide exact ingredient doses, here's why that matters for efficacy, transparency, and safety.

Sustainability

From carbon-neutral factories to zero-waste packaging, learn how to tell if a supplement brand's eco claims are real or just recycled marketing.

Ingredient Sourcing

How raw-material origins, supply-chain transparency, and ethical practices determine the potency and safety of your supplements.

Product Recalls & Safety Notices

Understand how supplement recalls work, what the different recall classes mean, and how a brand's recall history can guide smarter purchasing decisions.

Self-Manufactured

Most supplement brands outsource production. Discover why brands that own their own manufacturing (self-manufactured) offer stronger quality control, accountability, and consistency.