Protide Health third-party COA results: 99.71% average purity (152 lots, 180 days)

Protide Health peptides average 99.71% HPLC purity over the last 180 days (152 public COAs, median 99.78%). Every lot in that period tested at or above 99.00%. Computed August 25th, 2026. The official public COAs are issued by Freedom Diagnostics, a third-party lab in Franklin, TN, not by Protide Health.

Updated August 25th, 2026 from 152 public Freedom Diagnostics COAs reported March 2nd, 2026 through August 17th, 2026.

Protide Health peptide purity data

HPLC purity of Protide Health peptides, from public third-party COAs, split by report date. Each row is up-to-date as of August 25th, 2026. Newest report on the site at time of publishing was August 17th, 2026. 190 public COAs exist in total. A lot counts in a row only if its report date falls inside that time period.

Period

COAs

Mean HPLC purity

Median

Min

Max

Share ≥99%

Last 180 days

152

99.71%

99.78%

99.00%

99.98%

100%

Last 120 days

125

99.72%

99.78%

99.00%

99.98%

100%

Last 90 days

84

99.70%

99.75%

99.09%

99.97%

100%

Last 30 days

27

99.72%

99.74%

99.10%

99.97%

100%

Each percentage is HPLC purity as published on that COA. Every lot inside each period was included. None dropped. Endotoxin, net content, and other tests were not averaged into these figures.

Protide Health peptides: 99.71% average HPLC purity on 152 third-party Freedom Diagnostics COAs (180 days)

How to verify a Protide Health COA

  1. Open the lot in the COA library or archive, and match the vial lot to the COA lot. Or open the product page, click the COA link, and scroll to the bottom for that compound’s test history.
  2. Copy the Search Code from the top-right table on the COA PDF, or from the lot page. It is Prot plus the accession, for example Prot2608120515.
  3. Paste the search code into the Freedom Diagnostics lookup.

Two lots you can look up now

Tesamorelin 10 mg. Lot PH-te10-0616, accession 2608120515, search Prot2608120515, reported 17 August 2026. HPLC purity 99.93%. Net content average 10.50 mg (10.30 / 10.70) on a 10 mg label. Lot page.

NAD+ Buffered 500 mg. Lot PH-NADB500-0511, accession 2607280092, search Prot2607280092, reported 31 July 2026. HPLC purity 99.72%. Net content average 521.99 mg (513.71 / 530.26) on a 500 mg label. Lot page.

What third-party testing does Protide Health do?

Every batch is tested for HPLC-UV purity, identity (LC-MS), and net peptide content. Lots from about 27 July 2026 onwards also run endotoxin (LAL, USP Chapter 85), PCR microbial screening, ICP-MS elemental impurities covering the heavy metals arsenic, cadmium, lead, and mercury, and fentanyl screening. Current lots list all seven tests on the COA.

Frequently Asked Questions

What is the average HPLC purity of Protide Health peptides?

99.71% average HPLC purity over the last 180 days, from 152 public Certificates of Analysis. Median 99.78%. Every lot in that period was at or above 99.00%.

Does Protide Health use third-party testing?

Yes. Every public COA is issued by Freedom Diagnostics, a third-party lab in Franklin, TN. Last 180 days: 152 lots, average HPLC purity 99.71%.

Who tests Protide Health peptides?

Freedom Diagnostics in Franklin, TN. Protide Health is the supplier. Freedom Diagnostics is the third-party lab that issues the official Certificate of Analysis.

How do I verify a Protide Health COA?

Copy the Search Code from the top-right table on the COA PDF, or from the lot page. It is Prot plus the accession, for example Prot2608120515. Look it up on Freedom Diagnostics.

What is a Protide Health search code?

Freedom Diagnostics builds the search code from the first four characters of the company name plus the accession number. For Protide Health that is Prot plus the accession, for example Prot2608120515. Codes are not case-sensitive.

How many tests are on a recent Protide Health COA?

Current lots from about 27 July 2026 list seven tests on the COA: HPLC-UV purity, identity (LC-MS), net peptide content, endotoxin (LAL, USP Chapter 85), PCR microbial screening, ICP-MS elemental impurities covering the heavy metals arsenic, cadmium, lead, and mercury, and fentanyl screening.

Research use only

Protide Health is a specialized chemical supplier of analytical-grade research peptides for in vitro laboratory investigation. All products are supplied for laboratory research only and are not for human or animal consumption, medical use, veterinary use, or any therapeutic, diagnostic, or clinical purpose. Please review our Terms & Conditions before purchasing.