Grade: C

MEDIUM RISK

Swanson Probiotics

Item: Swanson Probiotics
Rating: 50
Author: SupplementChecker

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

Swanson Probiotics Trust Summary

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

Swanson Probiotics 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 Swanson Probiotics Third-Party Tested?

No — Swanson Probiotics 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 Swanson Probiotics a Good Brand?

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

About Swanson Probiotics

Swanson Probiotics is a US-based brand operating independently, specializing in probiotic supplements. The founding date is unknown. Swanson Probiotics aims to provide affordable health and wellness products to a broad consumer base.

Product Specialization

Swanson Probiotics focuses on specialty supplements, primarily offering a variety of probiotic formulations. These include single-strain and multi-strain probiotics, as well as targeted formulas for specific health needs like digestive health and immune support.

Testing & Certifications Explained

Swanson Probiotics does not have any third-party certifications on record. This means that independent organizations are not verifying the quality, purity, or potency of their products. The absence of certifications like NSF, USP, or Informed-Sport indicates that Swanson Probiotics products are not undergoing independent scrutiny, which may be a concern for consumers seeking guaranteed quality and safety.

How Swanson Probiotics Compares

Compared to competitors like Garden of Life (trust score 75/100) and NOW Foods (trust score 68/100), Swanson Probiotics lags in trust score. Both Garden of Life and NOW Foods have a range of third-party tested supplements and certifications, offering greater assurance of product quality compared to Swanson Probiotics.

Buying Guidance

Given the Swanson Probiotics trust score and lack of third-party testing, consumers should exercise caution. Purchase Swanson Probiotics products directly from the manufacturer or authorized retailers to ensure authenticity. If you are looking for third-party tested supplements, consider other brands with higher trust scores and visible certifications.

Frequently Asked Questions

Has Swanson Probiotics had any recalls?

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

Are Swanson Probiotics supplements third-party tested?

No — Swanson Probiotics 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 Swanson Probiotics safe?

Swanson Probiotics 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 Swanson Probiotics a good brand?

Swanson Probiotics 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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