5531 10 mg — COA #7447 ↓
Testing Laboratory: Bioviridian
Vendor: Pearland Peptides
Sample Name: SS-31 10 mg
Sample Type: White lyophilized powder
Lot Number: SS10-260805-01
Molecular Weight:
SS-31 — 639.8 g/mol
Sample Received: August 7, 2026
COA Issued: August 11, 2026
IDENTITY
SS-31 — ✅ Conforms
PURITY
Overall Purity: 99.82% — ✅ Conforms
CONTENT
Net Peptide Content:
SS-31 — 10.81 mg
✅ Conforms
Identity Method: LC-MS/MS
Purity Method: RP-HPLC (214 nm)
Content Method: HPLC Quantitation
HPLC Retention Time:
SS-31 — 6.028 min
Web Verification Code: COA7447
Overall Status: ✅ PASSED
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55-31 50 mg — COA #9296 ↓
Testing Laboratory: Bioviridian
Vendor: Pearland Peptides
Sample Name: SS-31 50 mg
Sample Type: White lyophilized powder
Lot Number: SS50-260805-01
Molecular Weight:
SS-31 — 639.8 g/mol
Sample Received: September 12, 2026
COA Issued: September 14, 2026
IDENTITY
SS-31 — ✅ Conforms
PURITY
Overall Purity: 99.68% — ✅ Conforms
CONTENT
Net Peptide Content:
SS-31 — 50.98 mg
✅ Conforms
Identity Method: LC-MS/MS
Purity Method: RP-HPLC (214 nm)
Content Method: HPLC Quantitation
HPLC Retention Time:
SS-31 — 4.912 min
Web Verification Code: COA9296
Overall Status: ✅ PASSED
Reviews
I’ve had an excellent experience with Pearland Peptides! The website was easy to navigate, ordering was seamless, and delivery was fast with no delays. Everything arrived securely packaged, protected, and in excellent condition. Labels were clear and professional, and COAs/testing documentation was easy to access, which gave me added confidence in the quality. Great customer service and excellent quality. Definitely a repeat customer. 10 out of 10 I do recommend
My NAD plus order arrived quickly and was exactly correct. The packaging was secure, and the design was sleek and professional. An order slip was included, and I received my tracking number within hours of placing the order.
I also received a prompt response when I emailed with a question. The entire ordering experience was smooth, efficient, and professional.