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 136 individual test results across 38 products, all conducted by ISO 17025 accredited laboratories.
Test categories include: Microbiological, Heavy Metals, Identity, Dosage, Illegal Adulterants, Purity, Allergy. Every batch is verified independently to ensure purity, potency, identity, and safety.
Testing Statistics
- 38 products independently tested
- 136 individual laboratory tests conducted
- ISO 17025 accredited laboratory standard
- Test types: Microbiological, Heavy Metals, Identity, Dosage, 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.
Apple Cider Vinegar
Apple Cider Vinegar has been independently tested with 1 test covering Microbiological.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Microbiological | N1156 | Finished Product | — | View Certificate |
Ashwagandha
Ashwagandha has been independently tested with 4 tests covering Microbiological, Heavy Metals.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Microbiological | 1059 | Finished Product | — | View Certificate |
| Microbiological | ASHC/500/03 | Finished Product | — | View Certificate |
| Microbiological | ksm/vg/23/s506/f | Active | — | View Certificate |
| Heavy Metals | N/A | Active | — | View Certificate |
Bac Subs and Bac Coags
Bac Subs and Bac Coags has been independently tested with 4 tests covering Microbiological.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Microbiological | 1108 | Finished Product | — | View Certificate |
| Microbiological | 1110 | Finished Product | — | View Certificate |
| Microbiological | 1111 | Finished Product | — | View Certificate |
| Microbiological | BSBC/008 | Finished Product | — | View Certificate |
Beetroot
Beetroot has been independently tested with 9 tests covering Microbiological, Identity, Heavy Metals.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Microbiological | 1042 | Finished Product | — | View Certificate |
| Microbiological | 1077 | Finished Product | — | View Certificate |
| Microbiological | 1096 | Finished Product | — | View Certificate |
| Microbiological | BEETT/018 | Finished Product | — | View Certificate |
| Microbiological | BR20240104 | Active | — | View Certificate |
| Identity | N/A | Active | — | View Certificate |
| Heavy Metals | N/A | Active | — | View Certificate |
| Microbiological | N1136 | Finished Product | — | View Certificate |
| Microbiological | N1137 | Finished Product | — | View Certificate |
Berberine
Berberine has been independently tested with 2 tests covering Microbiological.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Microbiological | N1130 | Finished Product | — | View Certificate |
| Microbiological | N1148 | Finished Product | — | View Certificate |
Chaga
Chaga has been independently tested with 1 test covering Microbiological.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Microbiological | 1027 | Finished Product | — | View Certificate |
Cholesterol Support
Cholesterol Support has been independently tested with 1 test covering Dosage.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Dosage | N1659 | Finished Product | 19 Feb 2026 | View Certificate |
Cistanche
Cistanche has been independently tested with 7 tests covering Microbiological, Identity, Illegal Adulterants, Heavy Metals.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Microbiological | 5085 | Finished Product | — | View Certificate |
| Microbiological | 5401 | Finished Product | — | View Certificate |
| Microbiological | 770815402520 | Active | — | View Certificate |
| Identity | N/A | Finished Product | — | View Certificate |
| Illegal Adulterants | N/A | Finished Product | — | View Certificate |
| Heavy Metals | N/A | Finished Product | — | View Certificate |
| Microbiological | SY-HB-CE230322 | Active | — | View Certificate |
Collagen
Collagen has been independently tested with 9 tests covering Microbiological, Identity, Heavy Metals.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Microbiological | 1051 | Finished Product | — | View Certificate |
| Microbiological | 1064 | Finished Product | — | View Certificate |
| Microbiological | 1065 | Finished Product | — | View Certificate |
| Microbiological | 1104 | Finished Product | — | View Certificate |
| Microbiological | 1106 | Finished Product | — | View Certificate |
| Identity | N/A | Active | — | View Certificate |
| Heavy Metals | N/A | Active | — | View Certificate |
| Microbiological | N1131 | Finished Product | — | View Certificate |
| Microbiological | SY-HB-L20231015 | Active | — | View Certificate |
Cordyceps
Cordyceps has been independently tested with 2 tests covering Microbiological.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Microbiological | 1105 | Finished Product | — | View Certificate |
| Microbiological | HDCD/500/02 | Finished Product | — | View Certificate |
Creatine
Creatine has been independently tested with 7 tests covering Microbiological, Heavy Metals, Identity.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Microbiological | 1056 | Finished Product | — | View Certificate |
| Microbiological | 1102 | Finished Product | — | View Certificate |
| Microbiological | HYJS231202 | Active | — | View Certificate |
| Heavy Metals | N/A | Active | — | View Certificate |
| Identity | N/A | Active | — | View Certificate |
| Microbiological | N1134 | Finished Product | — | View Certificate |
| Microbiological | N1135 | Finished Product | — | View Certificate |
Ecdysterone
Ecdysterone has been independently tested with 2 tests covering Microbiological.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Microbiological | 1092 | Finished Product | — | View Certificate |
| Microbiological | sy-h13-ce20240110 | Active | — | View Certificate |
Electrolytes
Electrolytes has been independently tested with 1 test covering Microbiological.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Microbiological | 1049 | Finished Product | — | View Certificate |
Fadogia
Fadogia has been independently tested with 8 tests covering Microbiological, Identity, Illegal Adulterants, Heavy Metals.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Microbiological | 1069 | Finished Product | — | View Certificate |
| Microbiological | 1072 | Finished Product | — | View Certificate |
| Microbiological | 1078 | Finished Product | — | View Certificate |
| Microbiological | HDFAD/21 | Finished Product | — | View Certificate |
| Identity | N/A | Finished Product | — | View Certificate |
| Identity | N/A | Finished Product | — | View Certificate |
| Illegal Adulterants | N/A | Finished Product | — | View Certificate |
| Heavy Metals | N/A | Finished Product | — | View Certificate |
Fenugreek
Fenugreek has been independently tested with 1 test covering Microbiological.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Microbiological | 1045 | Finished Product | — | View Certificate |
Horny Goat Weed
Horny Goat Weed has been independently tested with 2 tests covering Identity, Heavy Metals.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Identity | N/A | Finished Product | — | View Certificate |
| Heavy Metals | N/A | Finished Product | — | View Certificate |
L-Citrulline
L-Citrulline has been independently tested with 2 tests covering Microbiological.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Microbiological | 1120 | Finished Product | — | View Certificate |
| Microbiological | HYGAS230201 | Active | — | View Certificate |
Lactobacillus Salivarius
Lactobacillus Salivarius has been independently tested with 1 test covering Identity.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Identity | N/A | Finished Product | — | View Certificate |
Lions Mane
Lions Mane has been independently tested with 2 tests covering Microbiological, Dosage.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Microbiological | LIMAC/02 | Finished Product | — | View Certificate |
| Dosage | N/A | Finished Product | — | View Certificate |
Milk Thistle
Milk Thistle has been independently tested with 9 tests covering Microbiological, Identity, Heavy Metals.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Microbiological | 1103 | Finished Product | — | View Certificate |
| Microbiological | 1107 | Finished Product | — | View Certificate |
| Microbiological | 1125 | Finished Product | — | View Certificate |
| Microbiological | 1128 | Finished Product | — | View Certificate |
| Identity | N/A | Finished Product | — | View Certificate |
| Heavy Metals | N/A | Finished Product | — | View Certificate |
| Microbiological | N1126 | Finished Product | — | View Certificate |
| Microbiological | N1129 | Finished Product | — | View Certificate |
| Microbiological | N1132 | Finished Product | — | View Certificate |
Nattokinase
Nattokinase has been independently tested with 13 tests covering Dosage, Identity, Microbiological.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Dosage | N1696 | Finished Product | 14 Apr 2026 | View Certificate |
| Dosage, Identity | 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 | N1678 | Finished Product | 6 Mar 2026 | View Certificate |
| Dosage, Identity | N1679 | Finished Product | 6 Mar 2026 | View Certificate |
| Dosage, Identity | N1670 | Finished Product | 2 Mar 2026 | View Certificate |
| Dosage, Identity | N1668 | 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 |
NMN
NMN has been independently tested with 8 tests covering Purity, Microbiological, Identity, Heavy Metals.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Purity | 1001 | Finished Product | — | View Certificate |
| Microbiological | 1034 | Finished Product | — | View Certificate |
| Identity, Microbiological | 1119 | Finished Product | — | View Certificate |
| Microbiological | 5402 | Finished Product | — | View Certificate |
| Microbiological | HDNMN/500/14 | Finished Product | — | View Certificate |
| Identity | N/A | Finished Product | — | View Certificate |
| Heavy Metals | N/A | Finished Product | — | View Certificate |
| Microbiological | nmn/500/13 | Finished Product | — | View Certificate |
Omega 3
Omega 3 has been independently tested with 1 test covering Heavy Metals.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Heavy Metals | 092222016 | Active | — | View Certificate |
Organic Brown Rice Flour
Organic Brown Rice Flour has been independently tested with 1 test covering Microbiological.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Microbiological | jc4010 | Active | — | View Certificate |
Pre-Workout
Pre-Workout has been independently tested with 2 tests covering Microbiological.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Microbiological | 1035 | Finished Product | — | View Certificate |
| Microbiological | N1138 | Finished Product | — | View Certificate |
Reishi
Reishi has been independently tested with 1 test covering Microbiological.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Microbiological | HDRM/500/01 | Finished Product | — | View Certificate |
Resveratrol
Resveratrol has been independently tested with 3 tests covering Microbiological, Heavy Metals, Identity.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Microbiological | 5403 | Finished Product | — | View Certificate |
| Heavy Metals | N/A | Finished Product | — | View Certificate |
| Identity | N/A | Finished Product | — | View Certificate |
Ribbon Blender
Ribbon Blender has been independently tested with 2 tests covering Allergy.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Allergy | 26-AGO-770 | — | 26 Feb 2026 | View Certificate |
| Allergy | 26-ADV-428 | — | 27 Jan 2026 | View Certificate |
Saw Palmetto
Saw Palmetto has been independently tested with 1 test covering Microbiological.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Microbiological | HDSSP100/003 | Finished Product | — | View Certificate |
Sea Moss
Sea Moss has been independently tested with 2 tests covering Microbiological.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Microbiological | 1030 | Finished Product | — | View Certificate |
| Microbiological | N1524 | Finished Product | — | View Certificate |
Shilajit
Shilajit has been independently tested with 3 tests covering Microbiological.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Microbiological | 1085 | Finished Product | — | View Certificate |
| Microbiological | 1123 | Finished Product | — | View Certificate |
| Microbiological | sy-hb-se-2036705 | Active | — | View Certificate |
Tongkat Ali
Tongkat Ali has been independently tested with 8 tests covering Microbiological, Dosage, Heavy Metals, Identity, Illegal Adulterants.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Microbiological | 1096 | Finished Product | — | View Certificate |
| Microbiological | 5396 | Finished Product | — | View Certificate |
| Dosage | HDTKA500/02 | Finished Product | — | View Certificate |
| Heavy Metals | N/A | Finished Product | — | View Certificate |
| Identity | N/A | Finished Product | — | View Certificate |
| Illegal Adulterants | N/A | Finished Product | — | View Certificate |
| Dosage | N/A | Finished Product | — | View Certificate |
| Microbiological | TKA_101 | Active | — | View Certificate |
Turkesterone
Turkesterone has been independently tested with 5 tests covering Microbiological, Illegal Adulterants, Identity, Heavy Metals.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Microbiological | 4522 | Finished Product | — | View Certificate |
| Microbiological | HDTURKBRF/02 | Finished Product | — | View Certificate |
| Illegal Adulterants | N/A | Finished Product | — | View Certificate |
| Identity | N/A | Finished Product | — | View Certificate |
| Heavy Metals | N/A | Finished Product | — | View Certificate |
Turkey Tail
Turkey Tail has been independently tested with 3 tests covering Microbiological.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Microbiological | 1121 | Finished Product | — | View Certificate |
| Microbiological | HDTT/500/01 | Finished Product | — | View Certificate |
| Microbiological | HHYZ230802 | Active | — | View Certificate |
Turmeric Black Pepper
Turmeric Black Pepper has been independently tested with 2 tests covering Microbiological.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Microbiological | N1161 | Finished Product | — | View Certificate |
| Microbiological | N1162 | Finished Product | — | View Certificate |
Vaginal Probiotics
Vaginal Probiotics has been independently tested with 1 test covering Microbiological.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Microbiological | 1118 | Finished Product | — | View Certificate |
Vitamin D3 & K2
Vitamin D3 & K2 has been independently tested with 4 tests covering Microbiological, Heavy Metals, Identity.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Microbiological | 1053 | Finished Product | — | View Certificate |
| Microbiological | 1122 | Finished Product | — | View Certificate |
| Heavy Metals | N/A | Finished Product | — | View Certificate |
| Identity | N/A | Finished Product | — | View Certificate |
Whey Protein
Whey Protein has been independently tested with 1 test covering Microbiological.
| Test Type | Batch Number | Supplement Type | Date | Certificate |
|---|---|---|---|---|
| Microbiological | SY-HB-LT20230820 | Active | — | 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.