ACS Peptide Testing Labs vs Gold Standard Analytics
ACS Peptide Testing Labs is the peptide division of ACS Laboratory in Sun City Center, Florida, an A2LA ISO/IEC 17025-accredited, DEA-registered cannabis and hemp lab acquired by Smithers in 2026. It offers HPLC purity, ESI mass-spectrometry identity and contaminant panels in 9–11 business days, quoted per job. Gold Standard Analytics is a Houston peptide-first lab with published prices, USP <71> sterility, video-recorded custody at our Houston lab and a public certificate library.
ACS Peptide Testing Labs (ACS Laboratory, a Smithers company), Sun City Center, Florida, USA. acslabtest.com. Facts checked September 9, 2026.
What ACS does well
- Active ISO/IEC 17025:2017 accreditation through A2LA (#6786.01) and DEA registration (#RA0571996), the strongest formal credentials in this comparison.
- A 20,000 sq ft facility and the backing of Smithers, a multi-state testing group, since the 2026 acquisition.
- Florida-certified medical cannabis and USDA hemp testing alongside peptides, useful for brands that span categories.
- Accepts single vials from individuals and ships from all fifty states; tests need only 100–500 µg of material.
Side by side
| Gold Standard Analytics | ACS Peptide Testing Labs | |
|---|---|---|
| Location | Gold Standard AnalyticsHouston, Texas. Prepaid UPS or FedEx label, billed at carrier cost. | ACS Peptide Testing LabsSun City Center, Florida. Overnight shipping at your cost. |
| Peptide identity, purity and content | Gold Standard AnalyticsGold Standard charges one flat price for any peptide or blend, GLP-1s included: $129 per sample for HPLC-MS identity and purity, or $199 with net content (mg per vial). | ACS Peptide Testing LabsPublished as ranges: HPLC purity $150 to $300 and LC-MS/MS identity $200 to $400; the purity and identity bundle is $350 to $650. Net peptide content has no published price. (checked October 28, 2026) |
| Endotoxin | Gold Standard AnalyticsUSP <85> kinetic chromogenic LAL, $149, method and instrument on the certificate. | ACS Peptide Testing Labs$175 to $350, USP <85> kinetic chromogenic LAL. (checked October 28, 2026) |
| Sterility | Gold Standard AnalyticsUSP <71> 14-day membrane-filtration culture, $199. | ACS Peptide Testing LabsNot on its published peptide price list. (checked October 28, 2026) |
| Heavy metals | Gold Standard AnalyticsUSP <232>/<233> by ICP-MS, $199. | ACS Peptide Testing Labs$200 to $450, ICP-MS to USP <233>. (checked October 28, 2026) |
| Public results | Gold Standard AnalyticsEvery certificate is published, including failures and retractions, and certificates issued with a verification code can be checked at /verify; a client cannot remove one. | ACS Peptide Testing LabsCOA verification for its own reports; no browsable public library. |
| Chain of custody | Gold Standard AnalyticsEvery package opened on camera, container photographed, blind-coded; footage retained three years. Your copy of the unboxing and sample-prep video comes with the video add-on ($49 per sample) or a Gold Standard Membership. | ACS Peptide Testing LabsNot published for peptide submissions. |
| Ordering | Gold Standard AnalyticsSelf-service online intake with verified account, live quote, instant label. API, MCP, Telegram and WhatsApp. | ACS Peptide Testing LabsRequest a quote by form, phone or email, then ship. |
| Payment | Gold Standard AnalyticsCard, Apple Pay, Google Pay, Klarna, bank, Mercury invoice with net terms, any cryptocurrency. | ACS Peptide Testing LabsNot published; invoiced per quote. |
| ISO/IEC 17025 | Gold Standard AnalyticsProcedures modelled on ISO/IEC 17025 with GLP-style data integrity. Not accredited. | ACS Peptide Testing LabsISO/IEC 17025:2017 accredited by A2LA, certificate 6786.01; DEA registered RA0571996. Whether peptide purity is a named in-scope method is not confirmed by third parties. |
| Entity | Gold Standard AnalyticsGold Standard Analytics LLC, Houston, established January 2026; sells nothing it tests. | ACS Peptide Testing LabsACS Laboratory, Sun City Center, acquired by Smithers (Fairlawn, Ohio) in 2026; part of a multi-state cannabis testing network. |
| 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. | ACS Peptide Testing LabsNone published. |
Sources: acslabtest.com, checked Sep 2026; acslabtest.com/blog, Feb 2026; acslab.com; chemverify.com, Jun 2026; rubberworld.com, Aug 2026.
Published prices
| Test | Gold Standard Analytics | ACS Peptide Testing Labs |
|---|---|---|
| Identity and purity, one peptide | Gold Standard Analytics$129 $199 with net content; same price for GLP-1s and blends | ACS Peptide Testing LabsFrom $350 purity + identity, $350–$650 |
| Endotoxin | Gold Standard Analytics+$149 USP <85> | ACS Peptide Testing LabsFrom $175 $175–$350 |
| Sterility | Gold Standard Analytics+$199 USP <71>, 14-day | ACS Peptide Testing LabsNot published |
| Heavy metals | Gold Standard Analytics+$199 ICP-MS | ACS Peptide Testing LabsFrom $200 $200–$450 |
| Certificate check | Gold Standard AnalyticsAccession or QR at /verify | ACS Peptide Testing LabsReports by email or portal |
Checked October 28, 2026. ACS Peptide Testing Labs prices from its own website (acslabtest.com/peptide-testing-cost, acslabtest.com); Gold Standard Analytics prices from peptide testing cost. Prices are per sample for a standard research peptide and exclude shipping; confirm current prices with each laboratory.
About ACS Peptide Testing Labs
From ACS Peptide Testing Labs's own website, checked October 28, 2026.
Where is ACS Peptide Testing Labs located?
721 Cortaro Drive, Sun City Center, FL 33573; now part of Smithers.
How much does ACS Peptide Testing Labs charge for peptide testing?
Published as ranges: HPLC purity $150 to $300 and LC-MS/MS identity $200 to $400; the purity and identity bundle is $350 to $650. Net peptide content has no published price. Endotoxin: $175 to $350, USP <85> kinetic chromogenic LAL. Sterility: Not on its published peptide price list.
How do you verify a ACS Peptide Testing Labs certificate?
Reports by email or client portal; we found no public lookup page. Check a certificate with the laboratory that issued it; Gold Standard Analytics certificates resolve at /verify.
Is ACS Peptide Testing Labs accredited?
ISO/IEC 17025:2017 accredited by A2LA (#6786.01), per its site; ask whether peptide methods are inside the accredited scope. Gold Standard Analytics is not ISO/IEC 17025 accredited.
Questions about ACS Peptide Testing Labs and Gold Standard Analytics
Is Gold Standard an ACS Peptide Testing Labs alternative?
Yes. Both are US labs accepting single vials. Gold Standard charges $129 for identity and purity of any peptide, or $199 with net content, adds USP <71> sterility and video-recorded custody at our Houston lab, and keeps every certificate public.
Is ACS ISO 17025 accredited?
Yes. ACS Laboratory holds A2LA ISO/IEC 17025:2017 accreditation (#6786.01) and DEA registration. Gold Standard is not accredited. If an in-scope accredited result is a hard requirement, confirm peptide purity is on the ACS scope and choose ACS.
How do prices compare?
ACS quotes $400–$600 for identity plus purity. Gold Standard charges one flat price for any peptide or blend, GLP-1s included: $129 per sample for HPLC-MS identity and purity, or $199 with net content (mg per vial).
Who owns ACS?
Smithers, a testing group headquartered in Fairlawn, Ohio, acquired ACS Laboratory in 2026 to add Florida cannabis and national hemp and peptide testing to its network.
Can I verify an ACS COA here?
No. ACS verifies its own reports. Gold Standard certificates verify here by accession number.
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Submit a sample
Prepaid domestic label, public certificate, filmed chain of custody.