Is Optimum Nutrition third-party tested?
Last updated:
Yes. Optimum Nutrition carries Informed Sport and holds a trust score of 100/100 in our database.
What the data shows
- Trust score: 100/100 (A+)
- NSF certified: No · USP verified: No · Informed Sport: Yes
- FDA recalls: 0 · FDA warning letters: 0
See the full Optimum Nutrition profile →
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