JustBIO
JustBIO has a Trust Score of 75/100, which is a grade of B+ and indicates a LOW risk level. JustBIO claims to offer third-party tested supplements, but does not specify which third-party does the testing. While they have a clean FDA record, they lack GMP certification, which is a common standard in the supplement industry.
JustBIO Trust Summary
- Trust Score
- 75/100 (Good)
- Grade
- B+
- Risk Level
- LOW
- Third-Party Tested
- Yes (self-reported)
- FDA Recalls
- 0
- Adverse Events
- 0
JustBIO 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 testing means an independent laboratory has verified this product's contents, purity, and potency match what's on the label.
FDA Record
Clean record — no FDA warnings, recalls, or significant adverse events.
Is JustBIO Third-Party Tested?
Yes — JustBIO is Third-party tested. This means an independent laboratory has verified that the products' contents, purity, and potency match their label claims.
Is JustBIO a Good Brand?
JustBIO scores 75/100 (B+) — this is an average score. There may be room for improvement in testing transparency or certifications. JustBIO 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 JustBIO
JustBIO is an independent supplement brand based in the US. The founding date of JustBIO is unknown. They offer products in the herbal supplement category.
Product Specialization
JustBIO specializes in herbal supplements. While specific product types are not detailed, the focus is clearly on products derived from herbal ingredients.
Testing & Certifications Explained
JustBIO claims their products are third-party tested, but does not specify which third-party performs the testing. This means consumers cannot independently verify the testing protocols or results. While any third-party testing is better than none, the lack of transparency reduces consumer confidence. Many leading supplement brands will clearly state who performs the testing and provide access to Certificates of Analysis.
How JustBIO Compares
Compared to competitors in the herbal supplement space, JustBIO's trust profile is mixed. For example, Nature's Way often has a higher trust score and publishes some lab results. Gaia Herbs typically has a similar trust score and is often certified by organizations like NSF International. Unlike these brands, JustBIO does not have visible GMP certification.
Buying Guidance
Consumers interested in JustBIO products should proceed with caution. Given the lack of GMP certification and limited transparency, it's important to research individual products and, if possible, verify the third-party testing claims. Look for "JustBIO reviews" from independent sources before purchasing.
Frequently Asked Questions
Has JustBIO had any recalls?
Are JustBIO supplements third-party tested?
Is JustBIO safe?
Is JustBIO a good brand?
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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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See the best third-party tested supplements →Quick Facts
- Trust Score
- 75/100
- Grade
- B+
- Risk Level
- LOW
- Third-Party Tested
- Yes
- FDA Recalls
- 0
- Adverse Reports
- 0