Grade: B

MEDIUM RISK

Double Wood Supplements

Item: Double Wood Supplements
Rating: 65
Author: SupplementChecker

https://www.doublewoodsupplements.com Est. 2017 (9 years)

Double Wood Supplements has a SupplementChecker trust score of 65/100, which is a Grade B and indicates MEDIUM risk. Double Wood Supplements does not claim to provide third-party tested supplements. However, the brand has a clean FDA record with no warning letters or recalls.

Double Wood Supplements Trust Summary

Trust Score: 65/100 (Above Average)
Grade: B
Risk Level: MEDIUM
Third-Party Tested: No
FDA Recalls: 0
Adverse Events: 0
Years in Business: 9 years
GMP Certified: Yes

Double Wood Supplements has a trust score of 65/100 (Above Average). The brand is not third-party tested by NSF, USP, or Informed Sport, has no FDA recalls on record and no adverse event reports and has been in business for 9 years.

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Red Flags

⚠No third-party testing certifications found

Verified Strengths

✓Operating since 2017 (9 years)
✓Clean FDA record — no warnings, recalls, or significant adverse events

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

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

Is Double Wood Supplements Third-Party Tested?

No — Double Wood Supplements 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 Double Wood Supplements a Good Brand?

Double Wood Supplements scores 65/100 (B) — this is an average score. There may be room for improvement in testing transparency or certifications. Double Wood Supplements has a clean FDA record with no warnings or recalls. The brand does not currently hold third-party testing certifications.

About Double Wood Supplements

Double Wood Supplements was founded in 2017 and operates as an independent company based in the US. They offer a range of supplements, primarily marketed online. The brand aims to provide affordable supplements, focusing on individual ingredients rather than complex formulations.

Product Specialization

Double Wood Supplements specializes in nootropics, herbs, and amino acids. They are known for offering single-ingredient supplements like Alpha GPC, L-Theanine, and various herbal extracts. Their product line focuses on cognitive enhancement, general wellness, and sports nutrition.

Testing & Certifications Explained

Double Wood Supplements is GMP Certified, indicating that they follow good manufacturing practices as defined by the FDA. However, Double Wood Supplements does not claim to provide third-party tested supplements. This means that an independent laboratory has not verified the contents and purity of their products. Consumers should be aware that while GMP certification ensures manufacturing quality, it does not guarantee the accuracy of ingredient claims or the absence of contaminants, which third-party testing aims to address.

How Double Wood Supplements Compares

Compared to competitors like Thorne Research (trust score 92/100) and NOW Foods (trust score 85/100), Double Wood Supplements' trust score of 65/100 is lower, primarily due to the absence of third-party testing certifications. Both Thorne and NOW Foods provide extensive third-party testing and certifications. Another competitor, Nootropics Depot (trust score 78/100), publishes lab results, which Double Wood Supplements does not. This difference in transparency impacts consumer confidence and the overall perception of brand trustworthiness. Consumers often consult Double Wood Supplements reviews to compare experiences.

Buying Guidance

Given that Double Wood Supplements does not claim to provide third-party tested supplements, consumers should exercise caution. Purchase directly from the Double Wood Supplements website or authorized retailers to ensure product authenticity. If independent verification is important, consider brands that offer more transparent testing and certification practices.

Frequently Asked Questions

Has Double Wood Supplements had any recalls?

No — as of 2026, Double Wood Supplements has zero FDA product recalls on record. They maintain a clean FDA record with no warning letters or significant adverse event reports. Double Wood Supplements received a trust score of 65/100 from SupplementChecker.

Are Double Wood Supplements supplements third-party tested?

No — Double Wood Supplements 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 Double Wood Supplements safe?

Double Wood Supplements received a trust score of 65/100 (grade: B, 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.

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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