Grade: C

MEDIUM RISK

Sequence Vitamins

Item: Sequence Vitamins
Rating: 50
Author: SupplementChecker

Sequence Vitamins has a SupplementChecker.co trust score of 50/100, a Grade of C, and a MEDIUM risk level. Sequence Vitamins does not appear to conduct third-party testing on its supplements. Consumers should be aware of the lack of independent verification when considering Sequence Vitamins products.

Sequence Vitamins Trust Summary

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

Sequence Vitamins 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 Sequence Vitamins Third-Party Tested?

No — Sequence Vitamins 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 Sequence Vitamins a Good Brand?

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

About Sequence Vitamins

Sequence Vitamins is an independent supplement brand operating in the US. The founding date of Sequence Vitamins is unknown. They offer a range of supplements in the specialty category.

Product Specialization

Sequence Vitamins specializes in specialty supplements. Specific product types are not detailed in the available data.

Testing & Certifications Explained

Sequence Vitamins does not have any third-party testing certifications on record. This means that no independent organization has verified the quality, purity, or potency of their supplements. For consumers, this lack of certification means there's a higher degree of uncertainty about what's actually in the product and whether it meets label claims. Consumers seeking third-party tested supplements may want to consider other brands.

How Sequence Vitamins Compares

Compared to other brands in the specialty supplement category, Sequence Vitamins' trust score of 50/100 is lower than brands with verifiable third-party testing. For example, a brand like Klean Athlete (trust score 85/100) undergoes rigorous testing and certification. Another competitor, Thorne Research (trust score 92/100), is known for its high level of transparency and commitment to quality. These brands offer more assurance to consumers concerned about product safety and efficacy.

Buying Guidance

Given Sequence Vitamins' trust score and lack of third-party testing, consumers should exercise caution. Purchase directly from the Sequence Vitamins website or authorized retailers. Carefully examine product labels and consider contacting Sequence Vitamins directly with questions about ingredient sourcing and manufacturing processes before making a purchase. Checking Sequence Vitamins reviews online may also provide additional insights.

Frequently Asked Questions

Has Sequence Vitamins had any recalls?

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

Are Sequence Vitamins supplements third-party tested?

No — Sequence Vitamins 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 Sequence Vitamins safe?

Sequence Vitamins 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 Sequence Vitamins a good brand?

Sequence Vitamins 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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