The Precise standard

Proof, not promises.

We publish a certificate of analysis for every lot we ship. Enter a lot number from the bottom of your bottle to read its full independent lab results.

Healthcare or pharmaceutical professional? See the original lab reports

Recent lots:
What every lot is tested for
Every lot we ship
Search the lot number on your bottle to see that lot’s certificate.
Identity (herb ID) HPTLC / macroscopy
Potency (marker actives) HPLC
Heavy metals — Pb, As, Cd, Hg ICP-MS
Microbials — plate, yeast, mold USP <2021>
Pesticides / residual solvents GC-MS
Every lot, every seal

Substantiated, not decorative.

Made in the USA in a cGMP-registered facility, tested by an independent lab, and free-from verified per SKU.

Manufactured in the USA Manufactured in the USA
USDA Organic USDA Organic
Naturopathic Doctor Formulated Naturopathic Doctor Formulated
GMP certified GMP certified
Third-party lab tested Third-party lab tested
GMO free GMO free
Gluten free Gluten free
Vegan friendly Vegan friendly
144
Published certificates
0
Proprietary blends
5
Assay panels per lot

Recent lots

260411 10-in-1 Prostate ComplexTested Jul 2026PUBLISHED 260532 Blue + Green SpirulinaTested Jun 2026PUBLISHED 260530 Blue Vervain ComplexTested Jul 2026PUBLISHED 250741 Body Odor SupplementView certificate ↗PUBLISHED 260410 Daily Defense BundleTested Jul 2026PUBLISHED 260413 Flow BundleTested Jul 2026PUBLISHED 260411 Flow BundleTested Jul 2026PUBLISHED ZG5-25 Garlic TinctureView certificate ↗PUBLISHED

For healthcare and pharmaceutical professionals

Original lab reports

The certificate of analysis exactly as the independent lab issued it, as a PDF. Search a product to see its newest batch first, with earlier batches underneath.

Enter the product name, or the Batch ID printed on the label or the bottom of your bottle. Its certificate of analysis will display below.

Green Black Walnut Tincture

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Latest batchBatch ZB-1025 60ml

Tested Nov 30, 2025

ZE019 Green Black Walnut Tincture ZB-1025 - Full Testing - 11 25.pdf

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Latest batchBatch ZB-1025 120ml

Tested Nov 30, 2025

ZEN019-4floz Green Black Walnut Tincture ZB-1025 - Full Testing - 11 25.pdf

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Earlier batches (2)

Source Wildcrafted Organic Certification green black walnut

Tested Feb 10, 2025

ZE019 - Green Black Walnut - Source Wildcrafted Organic Certification.pdf

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Batch BW-326

ZE019ZEN019 - Green Black Walnut 60ml - Certificate of Analysis - Heavy Metals Pesticides and Microbial Test Results and Active Ingredients - Batch ID ZBW-326.pdf

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Japanese Knotweed Tincture

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Latest batchBatch JK-526 120ml

Tested Jun 11, 2026

ZE013-4floz Japanese Knotweed Tincture 120ml JK-526 Heavy Metals Microbial and Pesticide Testing.pdf

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Latest batchBatch JK-526 60ml

Tested Jun 11, 2026

ZE013 Japanese Knotweed Tincture 60ml JK-526 Heavy Metals Microbial and Pesticide Testing.pdf

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Earlier batches (2)

Batch ZJ7-25B 120ml

Tested Jul 29, 2025

Zenmen Japanese Knotweed Tincture 120ml ZJ7-25B - Complete Testing.pdf

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Batch ZJ7-25A 60ml

Tested Jul 29, 2025

ZE013 - Certificate of Analysis Heavy Metals and Microbial Test Results and Active Ingredients - ZM111624.pdf

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Tick Immune Support Supplement

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Latest batchBatch C042624, C052601, C052602 / ZMTI10-12Passed

Tested Apr 30, 2026 · Daane Labs

ZMTI10-12 Batch ID C042624 C052601 C052602 C042622- ZE001 - Tick Immune 90ct ZE001-180 caps - Tick Immune 180ct Heavy Metals Microbial Pesticide Testing.pdf

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Latest batchBatch ZMTI10-12/C042622

ZMTI10-12 Batch ID C042624 C052601 C052602 C042622- ZE001 - Tick Immune 90ct ZE001-180 caps - Tick Immune 180ct Heavy Metals Microbial Pesticide Testing.pdf

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Earlier batches (6)

Batch C052522 / ZMTI06 90ct

ZE001 - Tick Immune 90ct Heavy Metals Microbial and Assay Testing - ZMTI06 C02522 d0aa301c-b31d-4aef-a6a3-60354f0ea8f8.pdf

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Batch C022611 / ZMTI08 180ct

ZE001-180 caps - Tick Immune 180ct Heavy Metals Microbial and Assay Testing - ZMTI08 C022611.pdf

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Batch C092523 / ZMTI07 180ct

ZE001-180 caps - Tick Immune 180ct Heavy Metals Microbial and Assay Testing - ZMTI07 C02522 dc64ff11-5dad-40da-b295-c930a46a4913.pdf

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Batch C022611 / ZMTI08 90ct

ZE001 - Tick Immune 90ct Heavy Metals Microbial and Assay Testing - ZMTI08 C022611.pdf

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Batch C092523 / ZMTI07 90ct

ZE001 - Tick Immune 90ct Heavy Metals Microbial and Assay Testing - ZMTI07 C02523 e9659592-9cc7-48f3-896c-dbeca7686d0d.pdf

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Batch C052521 / ZMTI06 180ct

ZE001-180 caps - Tick Immune 180ct Heavy Metals Microbial and Assay Testing - ZMTI06 C02521 d745e884-ca86-4460-a928-54ec25995683.pdf

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