Short answer: a transparent ingredient list names each ingredient individually — a "proprietary blend" hides the exact amounts of each component, making it impossible to evaluate the formula properly.
Why proprietary blends are worth extra scrutiny
Without individual amounts disclosed, you can't tell whether an active ingredient is present at a meaningful dose or just a token amount — the blend could be mostly filler with a token amount of the ingredient doing the marketing work.
What full transparency looks like
- Each ingredient listed separately with its own line on the Supplement Facts panel
- Individual amounts disclosed — not hidden inside a combined blend total
- Consistent naming — matching standard nomenclature (e.g., "L-Arginine," not a vague trade name alone)
💡 The honest standard: full ingredient transparency lets you actually evaluate the formula against the research on each component — a proprietary blend asks you to trust the brand instead of the label.
Every ingredient, individually disclosed
No proprietary blend hiding the formula.
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See our full ingredients breakdown to see this in practice.