Certificate of Analysis

Every Batch Tested — Receipts Included

Independent, third-party lab verification for Taily Collagen 4oz, Lot A2015. Tested for identity, strength, and purity before a single bottle ships.

Finished Product
Taily Collagen 4oz
Amber viscous liquid · Bacon flavor
PASS All Panels
Lot Number A2015
Manufactured Jan 22, 2026
Expiration Jul 2027
Doc Version COA/COC v.3
Product description: Amber viscous liquid with bacon flavor. Tested per validated internal protocols (STP series) and outsourced assays for label-claim verification.
Composition · Identity Pass
Test Method Specification Result
Appearance STP-001 Meets Description Meets Description
pH STP-002 4.31 – 5.27 4.76
Specific Gravity STP-004 1.0328 – 1.2622 1.1503
Strength · Label Claim Verification Pass
Test Method Specification Result
Vitamin C, USP (as Ascorbic Acid) Label claim: 20 mg/mL STP-069 20 mg – 40 mg 37 mg
Protein Content Label claim: 400 mg/mL Outsourced Assays 400 mg – 440 mg 402.70 mg
Hyaluronic Acid Label claim: 1 mg/mL Outsourced Assays 1 mg – 1.5 mg 1.40 mg
Biotin Label claim: 1.5 mg/mL Outsourced Assays 1.5 mg – 2.25 mg 1.57 mg
Purity · Microbiological Testing Pass
Test Method Specification Result (Beginning, Middle, End)
Total Plate Count USP-61 NMT 2,000 cfu/mL <10, <10, <10
Yeast and Mold USP-61 NMT 200 cfu/mL <10, <10, <10
E. Coli USP-62 Absent Absent, Absent, Absent
Pseudomonas Aeruginosa USP-62 Absent Absent, Absent, Absent
Staphylococcus Aureus USP-62 Absent Absent, Absent, Absent
Salmonella sp. USP-62 Absent Absent, Absent, Absent
Burkholderia Cepacia USP-60 Absent Absent, Absent, Absent

Released By

Quality Assurance Team
Reviewed & signed per internal QA protocol
Released Feb 5, 2026
cGMP Manufactured USP-NF Compliant FDA Recommendations
Independent Third-Party Lab Manufacturer and testing facility details available on request · USA
COA/COC v.3 · Taily Collagen
Doc ref: v.3.082525

About this document: All raw materials potentially containing diethylene glycol (DEG) and ethylene glycol (EG) required for manufacturing were tested, quantified, and released to production according to USP-NF and FDA recommendations. Looking for a COA for a different lot? The number is printed on the bottom of your bottle — email it to bark@tailypet.com and we’ll send the matching certificate.