Grade: C

MEDIUM RISK

Proper

Item: Proper
Rating: 50
Author: SupplementChecker

Proper has a Trust Score of 50/100, which is a Grade C, indicating a MEDIUM risk level. Proper does not appear to conduct third-party testing on its supplements. This is a significant factor for consumers concerned about product purity and label accuracy.

Proper Trust Summary

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

Proper 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 Proper Third-Party Tested?

No — Proper 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 Proper a Good Brand?

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

About Proper

Proper is a US-based supplement brand operating independently. The founding date is unknown. They focus on specialty supplements.

Product Specialization

Proper specializes in the specialty supplement category. Specific product types they are known for are not specified.

Testing & Certifications Explained

Proper does not have any visible third-party testing certifications. This means that no independent organization verifies the contents and purity of their supplements. For consumers, this increases the risk of inaccurate labeling or contamination. Many consumers seek third-party tested supplements to ensure quality.

How Proper Compares

Compared to other brands in the specialty supplement category, Proper's Trust Score of 50/100 falls in the middle range. Some competitors, like Thorne Research (Trust Score 90+) and Klean Athlete (Trust Score 80+), have higher scores due to extensive third-party testing and certifications. Other brands may have similar scores to Proper but offer more transparency.

Buying Guidance

Given Proper's Trust Score and lack of third-party testing, consumers should exercise caution. Purchase directly from Proper's website or authorized retailers to minimize the risk of counterfeit products. Carefully review ingredient lists and consider contacting Proper directly with any questions about sourcing or testing.

Frequently Asked Questions

Has Proper had any recalls?

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

Are Proper supplements third-party tested?

No — Proper 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 Proper safe?

Proper 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 Proper a good brand?

Proper 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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