Grade: B+

MEDIUM RISK

Met-Rx

Item: Met-Rx
Rating: 70
Author: SupplementChecker

Part of Nestle Health Science

https://www.metrx.com Est. 1991 (35 years)

Met-Rx has a SupplementChecker.co trust score of 70/100, which is a grade of B+ and indicates MEDIUM risk. Met-Rx is GMP Certified, but there is no evidence the brand conducts third-party testing on its supplements. Consumers wondering "is Met-Rx a good brand?" should consider both the brand's strengths (longevity, clean FDA record) and weaknesses (lack of third-party testing).

Met-Rx Trust Summary

Trust Score: 70/100 (Good)
Grade: B+
Risk Level: MEDIUM
Third-Party Tested: No
FDA Recalls: 0
Adverse Events: 2
Years in Business: 35 years
GMP Certified: Yes

Met-Rx 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 2 adverse event reports and has been in business for 35 years.

Where to Buy Met-Rx

Purchase from trusted retailers. We may earn a commission at no extra cost to you.

Buy on iHerb Buy on Amazon Official Site

Check another brand:

e.g. Nature Made, Thorne, NOW Foods...

Check

Red Flags

⚠No third-party testing certifications found

Verified Strengths

✓Established brand — operating since 1991 (35 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

Is Met-Rx Third-Party Tested?

No — Met-Rx 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 Met-Rx a Good Brand?

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

About Met-Rx

Met-Rx is a sports nutrition brand founded in 1991. It is currently owned by Nestle Health Science. Met-Rx offers a range of products designed to support athletic performance and muscle growth. The brand is widely available in retail stores and online.

Product Specialization

Met-Rx specializes in protein supplements, meal replacements, and nutrition bars. They are known for their protein powders, ready-to-drink protein shakes, and high-protein meal replacement bars. These products are marketed towards athletes and fitness enthusiasts.

Testing & Certifications Explained

Met-Rx is GMP Certified, which means that their manufacturing facility adheres to Good Manufacturing Practices as verified by a certifying body. However, there is no evidence that Met-Rx products undergo third-party testing for ingredient purity, potency, or the presence of banned substances. Consumers should be aware that the absence of third-party testing means that the brand's claims are not independently verified.

How Met-Rx Compares

Compared to Optimum Nutrition (trust score 82/100) and Transparent Labs (trust score 95/100), Met-Rx has a lower trust score. Both Optimum Nutrition and Transparent Labs offer third-party tested supplements, which provides a higher level of assurance to consumers. Myprotein (trust score 65/100) is a similar brand to Met-Rx in terms of trust score and lack of third-party testing.

Buying Guidance

Consumers should carefully review Met-Rx reviews and consider the lack of third-party testing before purchasing. Met-Rx products are widely available online and in stores. Look for products with clear ingredient lists and be aware that "is Met-Rx third-party tested?" is a question with a negative answer.

Frequently Asked Questions

Has Met-Rx had any recalls?

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

Are Met-Rx supplements third-party tested?

No — Met-Rx 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 Met-Rx safe?

Met-Rx 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 Met-Rx a good brand?

Met-Rx 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.

Get FDA Recall Alerts

We'll notify you when FDA recalls affect supplement brands you care about.

Compare Similar Brands

Brands in similar categories with comparable trust profiles. Compare certifications, scores, and safety records.

85/100

Lower rated

BodyFirst

Grade A • Higher score

85/100

Lower rated

BODYHERO

Grade A • Higher score

85/100

Lower rated

Calanus

Grade A • Higher score

85/100

Lower rated

CalerieLife

Grade A • Higher score

85/100

Lower rated

COM JAPAN

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.

Promote Your Trust Score

Embed this badge on your site — it displays Met-Rx's verified trust score and links back to this profile page. Helps show buyers you're transparent about third-party testing.

Small · 220×110

<iframe src="https://supplementchecker.co/embed/met-rx/" width="220" height="110" frameborder="0" loading="lazy" title="Met-Rx trust score by SupplementChecker"></iframe>

Medium · 320×160

<iframe src="https://supplementchecker.co/embed/met-rx/" width="320" height="160" frameborder="0" loading="lazy" title="Met-Rx trust score by SupplementChecker"></iframe>

Large · 420×210

<iframe src="https://supplementchecker.co/embed/met-rx/" width="420" height="210" frameborder="0" loading="lazy" title="Met-Rx trust score by SupplementChecker"></iframe>

Paste the snippet anywhere on your site. The badge updates automatically when Met-Rx's trust score changes.

Own this brand? Contact us to update your information.

Want to find supplements you can trust?

Third-party testing is the single best indicator of supplement quality. We analyzed Met-Rx and 500+ other brands to find the ones that actually prove what's on the label.

See the best third-party tested supplements →