Grade: D

HIGH RISK

Seed

Item: Seed
Rating: 45
Author: SupplementChecker

https://seed.com Est. 2018 (8 years) Last reviewed: April 14, 2026

Seed has a SupplementChecker trust score of 65/100, which is a Grade B and indicates MEDIUM risk. No third-party testing certifications were found for Seed. While Seed has a clean FDA record, the lack of independent testing raises concerns about product quality and label accuracy.

Seed Trust Summary

Trust Score: 45/100 (Below Average)
Grade: D
Risk Level: HIGH
Third-Party Tested: No
FDA Recalls: 0
Adverse Events: 32
Years in Business: 8 years
GMP Certified: Yes

Seed has a trust score of 45/100 (Below Average). The brand is not third-party tested by NSF, USP, or Informed Sport, has no FDA recalls on record and 32 adverse event reports and has been in business for 8 years.

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Red Flags

⚠Elevated FDA adverse event reports (32)
⚠No third-party testing certifications found

Verified Strengths

✓Operating since 2018 (8 years)

Certifications

GMP Certified

GMP certification ensures manufacturing quality standards are met, but does not verify that product contents match the label through independent testing. Look for NSF, USP, or Informed Sport certifications for third-party verified products.

FDA Record

FDA Warning Letters

Recalls

Adverse Reports

Is Seed Third-Party Tested?

No — Seed is not currently third-party tested by independent certifiers like NSF, USP, or Informed Sport. They do hold GMP certification, which ensures manufacturing quality but does not independently verify product contents. 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 Seed a Good Brand?

Seed scores 45/100 (D) — this is a below-average score. We recommend considering brands with third-party certifications like NSF or USP. Seed has a clean FDA record with no warnings or recalls. The brand does not currently hold third-party testing certifications.

About Seed

Seed was founded in 2018 and has been in business for 8 years. Seed operates as an independent company based in the US. They are known for their products in the probiotics and synbiotics categories.

Product Specialization

Seed specializes in probiotics and synbiotics. Their products are designed to improve gut health and overall wellness through targeted microbial support. Seed is known for its Daily Synbiotic, a combination of probiotics and prebiotics.

How Seed Compares

Many competitors in the probiotics and synbiotics space, such as Ritual (trust score 78/100) and Garden of Life (trust score 82/100), pursue third-party testing and certifications. These brands often highlight certifications like NSF or USP to demonstrate their commitment to quality. Seed's lack of third-party validation puts them at a disadvantage compared to brands that invest in this area.

Testing & Certifications Explained

Seed is GMP Certified, indicating that they follow good manufacturing practices. However, no third-party testing certifications were found. This means that an independent organization has not verified the contents and purity of Seed's products. Consumers should be aware that the absence of third-party testing means there is less independent assurance of product quality.

Buying Guidance

Consumers should carefully consider the lack of third-party testing when deciding whether Seed is a good brand for them. Purchase directly from Seed's website or authorized retailers to ensure product authenticity. Check for any updated information regarding testing or certifications before buying.

Frequently Asked Questions

Has Seed had any recalls?

No — as of 2026, Seed has zero FDA product recalls on record. Seed received a trust score of 45/100 from SupplementChecker.

Are Seed supplements third-party tested?

No — Seed supplements are not currently third-party tested by independent certifiers like NSF, USP, or Informed Sport. They do have GMP (Good Manufacturing Practice) certification, which ensures manufacturing quality but does not independently verify product contents.

Is Seed safe?

Seed received a trust score of 45/100 (grade: D, risk level: HIGH). 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 Seed a good brand?

Seed scores 45/100 (grade: D) — 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.

See our full scoring methodology and data sources for how each signal is measured.

All data sourced from FDA.gov, Health Canada (LNHPD / recalls-rappels), NSF.org, USP.org, and publicly available brand information. Last updated: 5/1/2026.

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