Grade: C

MEDIUM RISK

KETO//OS

Item: KETO//OS
Rating: 50
Author: SupplementChecker

The KETO//OS trust score is 50/100, which is a Grade C and indicates a MEDIUM risk level. KETO//OS does not appear to conduct third-party testing of its supplements. Consumers should be aware of this when considering KETO//OS products.

KETO//OS Trust Summary

Trust Score: 50/100 (Fair)
Grade: C
Risk Level: MEDIUM
Third-Party Tested: No
FDA Recalls: 0
Adverse Events: 0

KETO//OS has a trust score of 50/100 (Fair). The brand is not third-party tested by NSF, USP, or Informed Sport, has no FDA recalls on record and no adverse event reports.

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Red Flags

⚠No third-party testing certifications found
⚠No GMP certification visible

Verified Strengths

✓Clean FDA record — no warnings, recalls, or significant adverse events

Certifications

No certifications on record. This brand has not demonstrated GMP compliance or third-party testing verification.

FDA Record

FDA Warning Letters

Recalls

Adverse Reports

Clean record — no FDA warnings, recalls, or significant adverse events.

Is KETO//OS Third-Party Tested?

No — KETO//OS is not currently third-party tested by independent certifiers like NSF, USP, or Informed Sport. No GMP certification was found on record either. We recommend looking for brands with verified third-party testing for the highest confidence in product quality. See our guide to third-party tested supplements.

Is KETO//OS a Good Brand?

KETO//OS scores 50/100 (C) — this is a below-average score. We recommend considering brands with third-party certifications like NSF or USP. KETO//OS has a clean FDA record with no warnings or recalls. The brand does not currently hold third-party testing certifications.

About KETO//OS

KETO//OS is a supplement brand operating independently in the US. The founding date is unknown. They offer products in the specialty supplement category.

Product Specialization

KETO//OS specializes in specialty supplements. They are known for products designed to support ketosis.

Testing & Certifications Explained

KETO//OS does not have any visible third-party certifications. This means that no independent organization has verified the quality, purity, or potency of their products. For consumers, this increases the risk of inaccurate labeling or contamination. Brands that invest in third-party testing demonstrate a commitment to quality and transparency.

How KETO//OS Compares

Compared to competitors like Perfect Keto (trust score 75) and Ancient Nutrition (trust score 68), KETO//OS has a lower trust score. Many competing brands in the specialty supplement space, such as those mentioned, pursue third-party testing to demonstrate product quality and safety. These 'third-party tested supplements' often provide greater assurance to consumers.

Buying Guidance

Given the KETO//OS trust score and lack of third-party testing, consumers should exercise caution. Purchase from reputable retailers and carefully examine product labels. Look for any available information on ingredient sourcing or manufacturing practices before buying.

Frequently Asked Questions

Has KETO//OS had any recalls?

No — as of 2026, KETO//OS has zero FDA product recalls on record. They maintain a clean FDA record with no warning letters or significant adverse event reports. KETO//OS received a trust score of 50/100 from SupplementChecker.

Are KETO//OS supplements third-party tested?

No — KETO//OS supplements are not currently third-party tested by independent certifiers like NSF, USP, or Informed Sport. No independent testing or GMP certification was found on record.

Is KETO//OS safe?

KETO//OS received a trust score of 50/100 (grade: C, risk level: MEDIUM). This score is calculated from FDA records, third-party certifications, adverse event reports, and transparency practices. No FDA warnings or recalls are on record.

Is KETO//OS a good brand?

KETO//OS scores 50/100 (grade: C) — this is below average. We recommend looking for brands with third-party certifications like NSF or USP. They do not currently hold third-party testing certifications like NSF, USP, or Informed Sport. No FDA warnings or recalls found.

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How We Calculated This Score

Every brand starts with a baseline score of 70/100.

Points added for: Third-party certifications (NSF +15, USP +15, Informed Sport +10), publishing lab results (+10), clean regulatory record (+10), 10+ years in business (+10), organic certification (+5).

Points deducted for: FDA warning letters (-25), product recalls (-20), high adverse events (-15), no third-party testing (-15), proprietary blends (-10), no GMP (-10).

Score is capped at 0-100. Grade and risk level are derived from the final score.

All data sourced from FDA.gov, Health Canada (LNHPD / recalls-rappels), NSF.org, USP.org, and publicly available brand information. Last updated: 4/9/2026.

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