Freedom Diagnostics vs Gold Standard Analytics
Freedom Diagnostics Testing in Franklin, Tennessee is the highest-volume vendor-COA lab in the US research-peptide market, built on a 2–4 day turnaround and a public database of more than 42,000 certificates. Gold Standard Analytics runs the same HPLC and LC-MS/MS identity work from Houston, adds compendial USP endotoxin and sterility methods, opens every package on camera, and publishes every result it signs. Here is how the two compare on what you pay for.
Freedom Diagnostics (Freedom Diagnostics Testing, PLLC), Franklin, Tennessee, USA. freedomdiagnosticstesting.com. Facts checked September 9, 2026.
What Freedom Diagnostics does well
- Speed. A published 2–4 day average, with an operator target of 24–48 hours, is the fastest advertised turnaround in the segment.
- Volume and reach. More than 42,000 public certificates and the default choice of many US vendors, so a Freedom accession travels well.
- HPLC purity and LC-MS identity on every certificate, stated plainly on the homepage.
- A simple published price list on the intake form: $200 purity and ID, $25 net content, $175 endotoxin, $150 PCR sterility.
Side by side
| Gold Standard Analytics | Freedom Diagnostics | |
|---|---|---|
| Location | Gold Standard AnalyticsHouston, Texas. Prepaid UPS label included. | Freedom DiagnosticsFranklin, Tennessee. Domestic shipping at your cost. |
| Peptide identity, purity and content | Gold Standard AnalyticsGSA peptide base pricing includes LC-MS/MS identity and HPLC purity. Net peptide content is a separate $29 add-on at every peptide tier. Select the compound and tests in the current intake for a quote. | Freedom Diagnostics$200 purity and ID plus $25 net peptide content, $225 combined. GLP-1 class priced the same. |
| Endotoxin | Gold Standard AnalyticsUSP <85> kinetic chromogenic LAL on a Charles River Endosafe MCS, $199, method cited on the certificate. | Freedom Diagnostics$175, extra vial required. Method not specified on the intake form. |
| Sterility | Gold Standard AnalyticsUSP <71> 14-day membrane-filtration culture in a Class II A2 cabinet, $195. The compendial method regulators recognise. | Freedom DiagnosticsPCR-based microbial DNA screen, $150, extra vial required. A rapid screen, not the USP <71> culture method. |
| Heavy metals | Gold Standard AnalyticsUSP <232>/<233> by ICP-MS, $169. | Freedom DiagnosticsNot listed on the intake form. |
| Public results | Gold Standard AnalyticsEvery certificate public and searchable, including failures and retractions; a client cannot remove one. | Freedom DiagnosticsHomepage states every COA is searchable by accession or company name; a 2026 review reports publication is an optional paid add-on. Sources disagree. |
| What the certificate names | Gold Standard AnalyticsCompound, lot, matrix, method, instrument ID, LOD/LOQ, calibration reference, signing and reviewing analyst, SHA-256 hash. | Freedom DiagnosticsOnly the company or organization name entered on the intake form; identity, purity and selected add-ons. |
| Chain of custody | Gold Standard AnalyticsEvery package opened on camera, container photographed, blind-coded; footage retained three years and shared with the client. | Freedom DiagnosticsVial photo offered at no fee on request; no published receiving footage. A 2026 review reports no formal blind-testing programme. |
| Ordering | Gold Standard AnalyticsSelf-service online intake with verified account, live quote, instant label. API, MCP, Telegram and WhatsApp. | Freedom DiagnosticsDownload and complete a PDF intake form and a card authorization form, then ship. Card charged when testing begins. |
| Payment | Gold Standard AnalyticsCard, Apple Pay, Google Pay, Klarna, bank, Mercury invoice with net terms, any cryptocurrency. | Freedom DiagnosticsMasterCard, Visa, Discover, Amex by authorization form. |
| ISO/IEC 17025 | Gold Standard AnalyticsProcedures modelled on ISO/IEC 17025 with GLP-style data integrity. Not accredited. | Freedom DiagnosticsNot accredited. Holds a CLIA clinical-laboratory number (14D2263999), which does not cover research-peptide assays. |
| Scope | Gold Standard AnalyticsPeptides, SARMs, kratom, supplements, cosmetics, raw materials, hydrocarbons, pesticides, water and food. | Freedom DiagnosticsResearch-use-only peptides. Does not accept HGH, hCG or large proteins. |
| Refunds | Gold Standard AnalyticsSee the refund policy for the remedies that apply to your order. A confirmed error of ours is corrected publicly, and credited or refunded if it can’t be fixed. | Freedom DiagnosticsNone published. |
Sources: freedomdiagnosticstesting.com, Sep 2026; Intake form v4, May 2026; freedomdiagnosticstesting.com; peptigrity.com, 2026; freedomdiagnosticstesting.com; peptidecritic.com, 2026; Sample submission instructions, May 2026; Intake form v4; peptidecritic.com, 2026; freedomdiagnosticstesting.com/sample-submission-instructions, May 2026; batchguild.com; peptigrity.com, 2026; peptidecritic.com, 2026.
Published prices
| Test | Gold Standard Analytics | Freedom Diagnostics |
|---|---|---|
| Peptide identity, purity and net content | Gold Standard AnalyticsView current pricing | Freedom Diagnostics$225 |
| GLP-1 class identity, purity and net content | Gold Standard AnalyticsView current pricing | Freedom Diagnostics$225 |
| Endotoxin (USP <85> vs unspecified LAL) | Gold Standard AnalyticsView current pricing | Freedom Diagnostics$175 |
| Sterility (USP <71> 14-day vs PCR screen) | Gold Standard AnalyticsView current pricing | Freedom Diagnostics$150 |
| Heavy metals, ICP-MS | Gold Standard Analytics+$169 | Freedom Diagnostics$0 |
| Batch conformity, per extra vial | Gold Standard AnalyticsView current pricing | Freedom Diagnostics$50 |
| Sterility and endotoxin package: purity, content, endotoxin, sterility | Gold Standard AnalyticsView current pricing | Freedom Diagnostics$550 |
Gold Standard prices are the published catalog. Freedom Diagnostics prices are from the Peptide Purity Testing Intake Form v4 (May 2026). Where the panels differ in method (compendial USP <71> culture versus PCR screen; USP <85> versus unspecified LAL) the comparison is of price, not equivalence. A dash means the test is not offered on the form. Shipping is excluded for both.
Questions about Freedom Diagnostics and Gold Standard Analytics
Is Gold Standard Analytics a Freedom Diagnostics alternative?
Yes. Both are US laboratories running HPLC purity and LC-MS identity on research peptides with public accession lookup. Gold Standard adds compendial USP <85> endotoxin and USP <71> sterility, heavy metals by ICP-MS, video-recorded custody at our Houston lab, published refund terms and self-service ordering with a prepaid label.
How do Freedom Diagnostics prices compare?
Freedom charges $200 for purity and identity plus $25 for net peptide content ($225). GSA peptide base pricing includes LC-MS/MS identity and HPLC purity. Net peptide content is a separate $29 add-on at every peptide tier. Select the compound and tests in the current intake for a quote. Freedom is cheaper on endotoxin ($175 vs $199) and on sterility ($150 PCR screen vs $195 USP <71> culture); the methods are not equivalent.
Is Freedom Diagnostics ISO 17025 accredited?
No. Freedom holds a CLIA number, which is a clinical-laboratory registration and does not cover research-peptide chemistry. Gold Standard is not accredited either, and says so plainly.
Does Freedom Diagnostics publish every result?
Their homepage says every COA is searchable by accession or company name. An independent 2026 review reports that publishing to the public database is an optional paid add-on. Gold Standard publishes every certificate it signs, including failures, and a client cannot remove one.
Is PCR sterility the same as USP <71>?
No. A PCR screen detects microbial DNA quickly; USP <71> is the 14-day culture method that pharmacopeias and regulators recognise for sterility. Gold Standard runs USP <71>; Freedom offers the PCR screen.
Can I verify a Freedom Diagnostics COA on this site?
No. Freedom certificates verify at freedomdiagnosticstesting.com by search code, accession or company name. Gold Standard certificates verify here by accession number.
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Submit a sample
Prepaid domestic label, public certificate, chain-of-custody video.