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 141 individual test results across 40 products, all conducted by ISO 17025 accredited laboratories.

Test categories include: Identity, Dosage, Microbiological, Heavy Metals, Illegal Adulterants, Purity, Allergy. Every batch is verified independently to ensure purity, potency, identity, and safety.

Testing Statistics

40 products independently tested
141 individual laboratory tests conducted
ISO 17025 accredited laboratory standard
Test types: Identity, Dosage, Microbiological, Heavy Metals, 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 Sugar Support

Blood Sugar Support has been independently tested with 1 test covering Identity.

Test results for Blood Sugar Support
Test Type	Batch Number	Supplement Type	Date	Certificate
Identity	N1708	Finished Product	—	View Certificate

Nattokinase

Nattokinase has been independently tested with 16 tests covering Dosage, Identity, Microbiological.

Test results for Nattokinase
Test Type	Batch Number	Supplement Type	Date	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 1 test covering Dosage.

Test results for Cholesterol Support
Test Type	Batch Number	Supplement Type	Date	Certificate
Dosage	N1659	Finished Product	19 Feb 2026	View Certificate

Magnesium

Magnesium has been independently tested with 1 test covering Dosage, Identity.

Test results for Magnesium
Test Type	Batch Number	Supplement Type	Date	Certificate
Dosage, Identity	N1699	Finished Product	1 May 2026	View Certificate

Vitamin D3 & K2

Vitamin D3 & K2 has been independently tested with 4 tests covering Microbiological, Identity, Heavy Metals.

Test results for Vitamin D3 & K2
Test Type	Batch Number	Supplement Type	Date	Certificate
Microbiological	1053	Finished Product	—	View Certificate
Microbiological	1122	Finished Product	—	View Certificate
Identity	N/A	Finished Product	—	View Certificate
Heavy Metals	N/A	Finished Product	—	View Certificate

Archived Products

Products we no longer sell.

Apple Cider Vinegar

Apple Cider Vinegar has been independently tested with 1 test covering Microbiological.

Test results for Apple Cider Vinegar
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 results for Ashwagandha
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 results for Bac Subs and Bac Coags
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 results for Beetroot
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 results for Berberine
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 results for Chaga
Test Type	Batch Number	Supplement Type	Date	Certificate
Microbiological	1027	Finished Product	—	View Certificate

Cistanche

Cistanche has been independently tested with 7 tests covering Microbiological, Illegal Adulterants, Identity, Heavy Metals.

Test results for Cistanche
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
Illegal Adulterants	N/A	Finished Product	—	View Certificate
Identity	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 results for Collagen
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 results for Cordyceps
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 results for Creatine
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 results for Ecdysterone
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 results for Electrolytes
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, Illegal Adulterants, Heavy Metals, Identity.

Test results for Fadogia
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
Illegal Adulterants	N/A	Finished Product	—	View Certificate
Heavy Metals	N/A	Finished Product	—	View Certificate
Identity	N/A	Finished Product	—	View Certificate
Identity	N/A	Finished Product	—	View Certificate

Fenugreek

Fenugreek has been independently tested with 1 test covering Microbiological.

Test results for Fenugreek
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 results for Horny Goat Weed
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 results for L-Citrulline
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 results for Lactobacillus Salivarius
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 results for Lions Mane
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 results for Milk Thistle
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

NMN

NMN has been independently tested with 8 tests covering Purity, Microbiological, Identity, Heavy Metals.

Test results for NMN
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 results for Omega 3
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 results for Organic Brown Rice Flour
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 results for Pre-Workout
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 results for Reishi
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, Identity, Heavy Metals.

Test results for Resveratrol
Test Type	Batch Number	Supplement Type	Date	Certificate
Microbiological	5403	Finished Product	—	View Certificate
Identity	N/A	Finished Product	—	View Certificate
Heavy Metals	N/A	Finished Product	—	View Certificate

Ribbon Blender

Ribbon Blender has been independently tested with 2 tests covering Allergy.

Test results for Ribbon Blender
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 results for Saw Palmetto
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 results for Sea Moss
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 results for Shilajit
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, Illegal Adulterants, Identity, Heavy Metals.

Test results for Tongkat Ali
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
Dosage	N/A	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
Microbiological	TKA_101	Active	—	View Certificate

Turkesterone

Turkesterone has been independently tested with 5 tests covering Microbiological, Identity, Heavy Metals, Illegal Adulterants.

Test results for Turkesterone
Test Type	Batch Number	Supplement Type	Date	Certificate
Microbiological	4522	Finished Product	—	View Certificate
Microbiological	HDTURKBRF/02	Finished Product	—	View Certificate
Identity	N/A	Finished Product	—	View Certificate
Heavy Metals	N/A	Finished Product	—	View Certificate
Illegal Adulterants	N/A	Finished Product	—	View Certificate

Turkey Tail

Turkey Tail has been independently tested with 3 tests covering Microbiological.

Test results for Turkey Tail
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 results for Turmeric Black Pepper
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 results for Vaginal Probiotics
Test Type	Batch Number	Supplement Type	Date	Certificate
Microbiological	1118	Finished Product	—	View Certificate

Whey Protein

Whey Protein has been independently tested with 1 test covering Microbiological.

Test results for Whey Protein
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.