Spring Valley vs Nature Made
Side-by-side trust score comparison based on certifications, FDA record, and transparency.
Nature Made scores 45 points higher (75 vs 30).
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| Feature | Spring Valley | Nature Made |
|---|---|---|
| Trust Score | 30/100 | 75/100 |
| Grade | F | B+ |
| Risk Level | HIGH | LOW |
| NSF Certified | ✗ | ✗ |
| USP Verified | ✗ | ✓ |
| Informed Sport | ✗ | ✗ |
| GMP Certified | ✗ | ✓ |
| Third-Party Tested | ✗ | ✓ |
| FDA Recalls | 0 | 0 |
| FDA Warning Letters | 0 | 0 |
| Adverse Events | 44 | 80 |
| Founded | Unknown | 1971 |
Spring Valley Certifications
No certifications on record. This brand has not demonstrated GMP compliance or third-party testing verification.
Nature Made 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
FDA Record
Spring Valley
Spring Valley has a Trust Score of 30/100, which is a Grade of F and indicates a HIGH risk level. Spring Valley is not third-party tested, and no certifications are currently on record. Consumers should be aware of elevated FDA adverse event reports associated with the brand.
Full profile →Nature Made
Nature Made has a SupplementChecker trust score of 75/100, which is a grade of B+ and indicates a LOW risk level. Nature Made products are USP Verified, meaning they are tested for identity, strength, and purity. While Nature Made claims to conduct third-party testing, they do not publish lab results.
Full profile →How we compare: Both brands are scored using our transparent algorithm based on certifications, FDA records, and transparency signals. We don't accept payment to alter scores. Compare other brands →
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