Grade: C

MEDIUM RISK

Greens First Lean

Item: Greens First Lean
Rating: 50
Author: SupplementChecker

Greens First Lean has a Trust Score of 50/100, which is a Grade C and indicates MEDIUM risk. Notably, there are no third-party testing certifications on record for Greens First Lean products. This is a key factor for consumers evaluating if Greens First Lean is a good brand and whether Greens First Lean is safe.

Greens First Lean Trust Summary

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

Greens First Lean 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 Greens First Lean Third-Party Tested?

No — Greens First Lean 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 Greens First Lean a Good Brand?

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

About Greens First Lean

Greens First Lean is an independent US-based brand in the herbal supplement category. The company's founding date is unknown. They formulate and sell various products, though their specific market position is not clearly defined.

Product Specialization

Greens First Lean specializes in herbal supplements. They are known for products in the 'greens' category, often marketed for overall health and wellness.

Testing & Certifications Explained

Greens First Lean does not have any visible third-party testing certifications. This means that no independent organization has verified the ingredients, potency, or purity of their products. Consumers should be aware that the absence of certifications makes it more difficult to assess product quality and safety. Many consumers look for third-party tested supplements to ensure they are getting what they pay for.

How Greens First Lean Compares

Many brands in the herbal supplement category, such as Athletic Greens (Trust Score 75) and Garden of Life (Trust Score 68), pursue third-party certifications to demonstrate product quality. These certifications, such as NSF or USP, provide an extra layer of assurance for consumers. The Greens First Lean trust score is lower than these competitors, reflecting the need for improved transparency.

Buying Guidance

Given the lack of third-party testing, consumers should exercise caution when considering Greens First Lean products. Purchase from reputable retailers and carefully examine product labels. While there is no Greens First Lean recall history, the absence of independent verification warrants extra scrutiny.

Frequently Asked Questions

Has Greens First Lean had any recalls?

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

Are Greens First Lean supplements third-party tested?

No — Greens First Lean 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 Greens First Lean safe?

Greens First Lean 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 Greens First Lean a good brand?

Greens First Lean 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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