Grade: C

MEDIUM RISK

Coast Science

Item: Coast Science
Rating: 50
Author: SupplementChecker

Coast Science has a SupplementChecker.co trust score of 50/100, a Grade of C, and a MEDIUM risk level. Coast Science does not appear to have any third-party testing certifications. Consumers should carefully evaluate Coast Science reviews and consider these factors before purchasing.

Coast Science Trust Summary

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

Coast Science 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 Coast Science Third-Party Tested?

No — Coast Science 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 Coast Science a Good Brand?

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

About Coast Science

Coast Science is an independent supplement brand headquartered in the US. The founding date of Coast Science is unknown. They offer a range of supplements in various categories.

Product Specialization

Coast Science focuses on supplements in the fish oil and vitamin categories. They offer a variety of products, including fish oil capsules and multivitamins.

Testing & Certifications Explained

Coast Science does not appear to have any third-party testing certifications. This means that no independent organization has verified the quality, purity, or potency of their products. The absence of certifications doesn't automatically mean the products are unsafe, but it does place a greater burden on the consumer to research and evaluate the brand's claims. The question of 'is Coast Science third-party tested' is answered negatively based on available data.

How Coast Science Compares

Many competing brands in the fish oil and vitamin space, such as Nordic Naturals (Trust Score 85) and NOW Foods (Trust Score 78), have higher trust scores and actively pursue third-party certifications like NSF or USP. These certifications provide consumers with greater assurance of product quality compared to Coast Science.

Buying Guidance

Given Coast Science's trust score and lack of third-party testing, consumers should exercise caution. Purchase directly from Coast Science or authorized retailers to minimize the risk of counterfeit products. Scrutinize Coast Science reviews and compare them against products with more transparent testing and certification practices.

Frequently Asked Questions

Has Coast Science had any recalls?

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

Are Coast Science supplements third-party tested?

No — Coast Science 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 Coast Science safe?

Coast Science 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 Coast Science a good brand?

Coast Science 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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