Smoothie King
Is Smoothie King third-party tested?
Yes — as of 2026-09-21, Smoothie King holds 6 third-party certifications across 2 independent testing programs: NSF (dietary supplement certification), NSF Certified for Sport. Every certification below links to the certifying body's official listing so you can verify it at the source.
Registries checked (as of 2026-09-21): Informed · NSF (Products are tested for ~270 substances banned by most sports organizations.)(Products are tested for label accuracy and the absence of contaminants.) · USP · Labdoor · BSCG
Last verified: 2026-09-21
SupplementSentry found certifications on 3 of Smoothie King's products in our index.
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Certification breakdown
- NSF (dietary supplement certification) — 3 products
- NSF Certified for Sport — 3 products
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Smoothie King Gladiator Chocolate
— · Powder -
Smoothie King Gladiator Strawberry
— · Powder -
Smoothie King Gladiator Vanilla
— · Powder