Grade: B+

LOW RISK

DDSource Manufacturing

Item: DDSource Manufacturing
Rating: 75
Author: SupplementChecker

DDSource Manufacturing has a SupplementChecker trust score of 75/100, which is a grade of B+ and indicates a LOW risk level. DDSource Manufacturing claims to conduct third-party testing, but does not publish lab results. While DDSource Manufacturing has a clean FDA record, the lack of visible GMP certification is a concern.

DDSource Manufacturing Trust Summary

Trust Score: 75/100 (Good)
Grade: B+
Risk Level: LOW
Third-Party Tested: Yes (self-reported)
FDA Recalls: 0
Adverse Events: 0

DDSource Manufacturing has a trust score of 75/100 (Good). The brand is claims third-party testing (self-reported), has no FDA recalls on record and no adverse event reports.

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Red Flags

⚠No GMP certification visible

Verified Strengths

✓Claims third-party testing
✓Clean FDA record — no warnings, recalls, or significant adverse events

Certifications

Third-Party Tested

Third-party testing means an independent laboratory has verified this product's contents, purity, and potency match what's on the label.

FDA Record

FDA Warning Letters

Recalls

Adverse Reports

Clean record — no FDA warnings, recalls, or significant adverse events.

Is DDSource Manufacturing Third-Party Tested?

Yes — DDSource Manufacturing is Third-party tested. This means an independent laboratory has verified that the products' contents, purity, and potency match their label claims.

Is DDSource Manufacturing a Good Brand?

DDSource Manufacturing scores 75/100 (B+) — this is an average score. There may be room for improvement in testing transparency or certifications. DDSource Manufacturing has a clean FDA record with no warnings or recalls. The brand holds third-party certifications (Third-party tested), which is a strong quality indicator.

About DDSource Manufacturing

DDSource Manufacturing is a US-based supplement manufacturer operating independently. The founding date of DDSource Manufacturing is unknown. They produce supplements in various categories.

Product Specialization

DDSource Manufacturing specializes in herbal supplements. Specific product types are not detailed, but the focus is clearly on supplements derived from herbal sources.

Testing & Certifications Explained

DDSource Manufacturing claims their products are third-party tested, but does not specify which third-party does the testing. Without knowing the specific third-party and without published lab results, it is difficult to verify the extent and rigor of this testing. Consumers should seek further information about the testing protocols used to determine if DDSource Manufacturing is third-party tested to a satisfactory degree.

How DDSource Manufacturing Compares

Many brands in the herbal supplement category pursue more rigorous certifications. For example, Nature's Bounty (trust score 82/100) has USP verified products, while Gaia Herbs (trust score 88/100) is known for its transparency and publishes extensive lab results. These brands may offer a higher level of assurance compared to DDSource Manufacturing.

Buying Guidance

Given DDSource Manufacturing's trust score and limited transparency, consumers should exercise caution. Purchase products directly from DDSource Manufacturing or authorized retailers to minimize the risk of counterfeits. Verify any third-party testing claims independently before use.

Frequently Asked Questions

Has DDSource Manufacturing had any recalls?

No — as of 2026, DDSource Manufacturing has zero FDA product recalls on record. They maintain a clean FDA record with no warning letters or significant adverse event reports. DDSource Manufacturing received a trust score of 75/100 from SupplementChecker.

Are DDSource Manufacturing supplements third-party tested?

Yes — DDSource Manufacturing supplements are third-party tested. They hold the following certifications: third-party tested (self-reported). Third-party testing means an independent lab has verified the product's contents, purity, and potency match the label claims.

Is DDSource Manufacturing safe?

DDSource Manufacturing received a trust score of 75/100 (grade: B+, risk level: LOW). This score is calculated from FDA records, third-party certifications, adverse event reports, and transparency practices. No FDA warnings or recalls are on record.

Grade A+ • Higher score

Want more comparisons? Browse our supplement categories or check our buying guides.

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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Quick Facts

Trust Score: 75/100
Grade: B+
Risk Level: LOW
Third-Party Tested: Yes
FDA Recalls: 0
Adverse Reports: 0

⚠ No GMP certification visible