Grade: C

MEDIUM RISK

E2

Item: E2
Rating: 50
Author: SupplementChecker

E2 has a SupplementChecker.co trust score of 50/100, a grade of C, indicating a MEDIUM risk level. E2 does not appear to conduct third-party testing on its products. Consumers should be aware of this when considering E2 supplements.

E2 Trust Summary

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

E2 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 E2 Third-Party Tested?

No — E2 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 E2 a Good Brand?

E2 scores 50/100 (C) — this is a below-average score. We recommend considering brands with third-party certifications like NSF or USP. E2 has a clean FDA record with no warnings or recalls. The brand does not currently hold third-party testing certifications.

About E2

E2 is a supplement brand operating independently in the US. The founding date of E2 is unknown. They produce supplements within the broader health and wellness market.

Product Specialization

E2 specializes in protein supplements. While specific product names are not available, their focus is clearly on products designed to support muscle growth and recovery.

Testing & Certifications Explained

E2 does not have any third-party testing certifications on record. This means that independent organizations are not verifying the quality, purity, or potency of E2's products. Consumers should be aware that the absence of certifications increases the risk of inaccurate labeling or contamination.

How E2 Compares

Compared to other protein supplement brands, E2's trust score of 50/100 places it in the lower tier. For example, a brand like Klean Athlete (trust score 85/100) has NSF Certified for Sport certification, while Garden of Life (trust score 78/100) has multiple certifications. These certifications provide greater assurance of product quality and safety than E2 currently offers.

Buying Guidance

Given E2's lack of third-party testing, consumers should exercise caution. Purchase E2 products directly from the manufacturer or authorized retailers to minimize the risk of counterfeit products. Carefully examine product labels and compare them to the information available on the E2 website.

Frequently Asked Questions

Has E2 had any recalls?

No — as of 2026, E2 has zero FDA product recalls on record. They maintain a clean FDA record with no warning letters or significant adverse event reports. E2 received a trust score of 50/100 from SupplementChecker.

Are E2 supplements third-party tested?

No — E2 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 E2 safe?

E2 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 E2 a good brand?

E2 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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