3rd Party Testing Overview
Natural Foundation Supplements (NFS) is a UK-based supplement company headquartered in Oxford that publishes independent, 3rd-party laboratory test results for every product it sells. This testing portal provides transparent access to 160 individual test results across 43 products, all conducted by ISO 17025 accredited laboratories.
Test categories include: Identity, Dosage, Microbiological, Heavy Metals, Nitrate, Illegal Adulterants, Purity, Allergy. Every batch is verified independently to ensure purity, potency, identity, and safety.
Testing Statistics
- 43 products independently tested
- 160 individual laboratory tests conducted
- ISO 17025 accredited laboratory standard
- Test types: Identity, Dosage, Microbiological, Heavy Metals, Nitrate, Illegal Adulterants, Purity, Allergy
Product Testing Results
Below is a complete listing of every NFS product and its independent test results. Each product links to certificates of analysis where available.
Blood Pressure Support
Blood Pressure Support has been independently tested with 3 tests covering Identity, Dosage, Microbiological, Heavy Metals, Nitrate.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Identity, Dosage, Microbiological, Heavy Metals | N1713 | Finished Product | — | View Certificate |
| Dosage, Microbiological, Heavy Metals | N1768 | Finished Product | 26 Aug 2026 | View Certificate |
| Dosage, Nitrate, Microbiological, Heavy Metals | N1759 | Finished Product | 3 Aug 2026 | View Certificate |
Blood Sugar Support
Blood Sugar Support has been independently tested with 1 test covering Identity, Microbiological, Heavy Metals.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Identity, Microbiological, Heavy Metals | N1708 | Finished Product | — | View Certificate |
Nattokinase
Nattokinase has been independently tested with 24 tests covering Dosage, Identity, Microbiological, Heavy Metals.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Dosage, Identity, Microbiological, Heavy Metals | N1763 | Finished Product | 13 Aug 2026 | View Certificate |
| Heavy Metals, Microbiological, Dosage, Identity | N1752 | Finished Product | 16 Jul 2026 | View Certificate |
| Heavy Metals, Identity, Dosage | N1751 | Finished Product | 16 Jul 2026 | View Certificate |
| Dosage, Identity, Microbiological, Heavy Metals | N1737 | Finished Product | 29 Jun 2026 | View Certificate |
| Identity, Dosage, Heavy Metals, Microbiological | N1736 | Finished Product | 19 Jun 2026 | View Certificate |
| Microbiological, Heavy Metals | N1720 | Finished Product | 5 Jun 2026 | View Certificate |
| Identity, Dosage, Microbiological, Heavy Metals | N1721 | Finished Product | 3 Jun 2026 | View Certificate |
| Dosage, Identity | N1720 | Finished Product | 24 May 2026 | View Certificate |
| Dosage, Identity | N1712 | Finished Product | 5 May 2026 | View Certificate |
| Dosage, Identity | N1697 | Finished Product | 27 Apr 2026 | View Certificate |
| Dosage, Identity | N1698 | Finished Product | 27 Apr 2026 | View Certificate |
| Dosage, Identity | N1696 | Finished Product | 14 Apr 2026 | View Certificate |
| Dosage | N1696 | Finished Product | 14 Apr 2026 | View Certificate |
| Dosage, Identity | N1687 | Finished Product | 27 Mar 2026 | View Certificate |
| Dosage, Identity | 26031601 | Finished Product | 25 Mar 2026 | View Certificate |
| Dosage, Identity | N1679 | Finished Product | 6 Mar 2026 | View Certificate |
| Dosage, Identity | N1678 | Finished Product | 6 Mar 2026 | View Certificate |
| Dosage, Identity | N1668 | Finished Product | 2 Mar 2026 | View Certificate |
| Dosage, Identity | N1670 | Finished Product | 2 Mar 2026 | View Certificate |
| Dosage, Identity | N1669 | Finished Product | 2 Mar 2026 | View Certificate |
| Dosage, Identity | N1660 | Finished Product | 12 Feb 2026 | View Certificate |
| Dosage | N1638 | Finished Product | 21 Dec 2025 | View Certificate |
| Dosage, Identity | N1571 | Finished Product | 8 Dec 2025 | View Certificate |
| Microbiological | N1610 | Finished Product | 21 Nov 2025 | View Certificate |
Cholesterol Support
Cholesterol Support has been independently tested with 4 tests covering Dosage, Microbiological, Heavy Metals.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Dosage, Microbiological, Heavy Metals | N1758 | Finished Product | 20 Aug 2026 | View Certificate |
| Dosage, Microbiological, Heavy Metals | N1703 | Finished Product | 19 Jun 2026 | View Certificate |
| Dosage | N1700 | Finished Product | 27 Mar 2026 | View Certificate |
| Dosage | N1659 | Finished Product | 19 Feb 2026 | View Certificate |
Magnesium
Magnesium has been independently tested with 5 tests covering Dosage, Microbiological, Heavy Metals, Identity.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Dosage | N1760 | Finished Product | 24 Aug 2026 | View Certificate |
| Microbiological, Dosage, Heavy Metals | N1755 | Finished Product | 22 Jul 2026 | View Certificate |
| Dosage, Microbiological, Heavy Metals | N1749 | Finished Product | 25 Jun 2026 | View Certificate |
| Dosage | N1735 | Finished Product | 9 Jun 2026 | View Certificate |
| Dosage, Identity | N1699 | Finished Product | 1 May 2026 | View Certificate |
Vitamin D3 & K2
Vitamin D3 & K2 has been independently tested with 3 tests covering Dosage, Heavy Metals, Microbiological.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Dosage | N1764 | Finished Product | 18 Aug 2026 | View Certificate |
| Dosage, Heavy Metals, Microbiological | N1754 | Finished Product | 15 Jul 2026 | View Certificate |
| Microbiological, Dosage, Heavy Metals | N1731 | Finished Product | 25 Jun 2026 | View Certificate |
About NFS 3rd Party Testing
Natural Foundation Supplements is committed to full transparency in supplement quality. Every product undergoes independent testing by ISO 17025 accredited laboratories before sale. Tests verify microbiological safety, heavy metal levels, ingredient identity, potency, and screen for illegal adulterants.
Customers can verify their specific product batch by entering the batch number from their product label into the search tool above. All certificates of analysis are available for download.
For questions about testing, contact info@nfsupplements.co.uk.