Grade: B+

MEDIUM RISK

WeightWorld

Item: WeightWorld
Rating: 70
Author: SupplementChecker

https://www.weightworld.com Est. 2005 (21 years) Last reviewed: April 14, 2026

WeightWorld has a SupplementChecker.co trust score of 70/100, which is a grade of B+ and indicates MEDIUM risk. WeightWorld is GMP Certified, but it is not clear whether WeightWorld products are third-party tested for purity and potency. Consumers should be aware of this when considering WeightWorld products.

WeightWorld Trust Summary

Trust Score: 70/100 (Good)
Grade: B+
Risk Level: MEDIUM
Third-Party Tested: No
FDA Recalls: 0
Adverse Events: 0
Years in Business: 21 years
GMP Certified: Yes

WeightWorld has a trust score of 70/100 (Good). 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 21 years.

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Red Flags

⚠No third-party testing certifications found

Verified Strengths

✓Established brand — operating since 2005 (21 years)
✓Clean FDA record — no warnings, recalls, or significant adverse events

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Testing & Transparency Analysis

WeightWorld's website provides limited information regarding its testing and transparency practices. [Source: Brand Website] The website lacks a dedicated 'About Us' section, making it difficult to ascertain the company's history, leadership, or commitment to quality control. No specific testing claims or certifications are explicitly displayed on the WeightWorld website. [Source: Brand Website] This absence of readily available information raises questions about the extent to which WeightWorld products undergo independent testing for purity, potency, and safety. Furthermore, details regarding ingredient sourcing and manufacturing processes are not provided, hindering a comprehensive evaluation of the brand's transparency. Without clear claims or certifications, it is impossible to verify WeightWorld's adherence to industry best practices. No independent verification data available from ConsumerLab or Labdoor. The lack of readily available information regarding testing and transparency makes it challenging to assess the quality and reliability of WeightWorld products. Consumers seeking assurance of product quality may find the absence of this information concerning.

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 WeightWorld Third-Party Tested?

No — WeightWorld 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 WeightWorld a Good Brand?

WeightWorld scores 70/100 (B+) — this is an average score. There may be room for improvement in testing transparency or certifications. WeightWorld has a clean FDA record with no warnings or recalls. The brand does not currently hold third-party testing certifications.

About WeightWorld

WeightWorld is a supplement brand founded in 2005, making it an established player in the industry with 21 years in business. WeightWorld operates as an independent company with headquarters in the US. They offer a range of supplements marketed for various health and wellness purposes.

Product Specialization

WeightWorld specializes in products in the weight management, vitamins, and minerals categories. They are known for offering a variety of supplements targeting weight loss, energy, and overall wellness. Specific product types include diet pills, multivitamins, and single-ingredient mineral supplements.

How WeightWorld Compares

Compared to competitors like Transparent Labs (trust score 92/100) and Klean Athlete (trust score 88/100), WeightWorld's trust score is lower, primarily due to the absence of third-party testing. Both Transparent Labs and Klean Athlete emphasize third-party testing and transparent sourcing. Another competitor, Nature Made (trust score 75/100), also publishes some lab results, offering greater transparency than WeightWorld.

Testing & Certifications Explained

WeightWorld is GMP Certified, meaning they adhere to Good Manufacturing Practices set by regulatory bodies. This certification ensures that products are consistently produced and controlled according to quality standards. However, WeightWorld does not appear to have third-party testing certifications. This means that independent labs are not verifying the contents and purity of their supplements. Consumers seeking third-party tested supplements may want to look for alternatives.

Buying Guidance

Given WeightWorld's trust score of 70/100, consumers should exercise caution and do their own research before purchasing. Buy directly from WeightWorld or authorized retailers to ensure product authenticity. Since it is unclear whether WeightWorld products are third-party tested, consider looking for brands that provide this assurance if you prioritize independent verification.

Frequently Asked Questions

Has WeightWorld had any recalls?

No — as of 2026, WeightWorld has zero FDA product recalls on record. They maintain a clean FDA record with no warning letters or significant adverse event reports. WeightWorld received a trust score of 70/100 from SupplementChecker.

Are WeightWorld supplements third-party tested?

No — WeightWorld 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 WeightWorld safe?

WeightWorld received a trust score of 70/100 (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.

Is WeightWorld a good brand?

WeightWorld scores 70/100 (grade: B+) — this is an average score. There may be room for improvement in testing transparency or certifications. 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.

See our full scoring methodology and data sources for how each signal is measured.

All data sourced from FDA.gov, Health Canada (LNHPD / recalls-rappels), NSF.org, USP.org, and publicly available brand information. Last updated: 5/1/2026.

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