VALIDATED QUALITY STANDARDS

Our Commitment to Quality

At Rejuven8 Peptides, we employ rigorous testing standards and industry standard quality control protocols to ensure every compound meets the absolute highest levels of purity and structural integrity.

HPLC Purity Testing

High-performance liquid chromatography ensures accurate peptide quantification and sequence validation.

Mass Spectrometry Verification

Precise mass analysis to confirm molecular weight and eliminate the presence of synthetic by-products.

3rd Party Independent Testing

Every batch is sent to external ISO-accredited laboratories for unbiased purity and identity verification.

The Verification Lifecycle

1

2

3

4

1

Synthesis

Peptide chains are assembled using automated microwave synthesis for maximum precision.

2

Purification

Multiple passes of reverse-phase chromatography remove truncated sequences and impurities.

3

HPLC Analysis

Additional validation using the latest HPLC systems to ensure purity targets are reached.

4

3rd Party Verification

Samples are shipped to Freedom Diagnostics or Janoshik for final external certification.

GLP / Incretin & Amylin (Metabolic)

Download third-party Certificates of Analysis for our metabolic and incretin research peptides — GLP-1, GLP-2, GLP-3, and the amylin analog Cagrilintide. Each batch of these GLP receptor agonist and multi-agonist research compounds is verified by HPLC and mass spectrometry for purity, identity, and net peptide content, backed by a lot-specific COA.

GLP-3 RT

BATCH: 2607240011

RESULT

99.79%

GLP-1 SM

BATCH: R8-P-1042

RESULT

99.44%

GLP-1 SM

BATCH: R8-P-1028

RESULT

99.77%

GLP-3 RT

BATCH: R8-P-1043

RESULT

99.94%

GLP-3 RT

BATCH: R8-P-1044

RESULT

99.11%

GLP-2 TZ

BATCH: R8-P-1045

RESULT

99.83%

GLP-2 TZ

BATCH: R8-P-1046

RESULT

99.82%

Cagrilintide – 10mg

BATCH: R8-P-1005

RESULT

99.92%

GLP-2 TZ

BATCH: TZP20-25K11-01

RESULT

99.96%

GLP-1 SM

BATCH: SMG20-25K11-01

RESULT

99.87%

Growth Hormone Axis

Browse batch-specific Certificates of Analysis for our growth hormone axis research peptides — Sermorelin, CJC-1295, Tesamorelin, Ipamorelin, GHRP-2, AOD-9604, and IGF-1 LR3. Every lot of these GHRH analogs, growth hormone secretagogues, and IGF compounds is HPLC-tested for purity and identity-confirmed by mass spectrometry at independent, third-party laboratories.

Tesamorelin

BATCH: 2606240244

RESULT

99.78%

IGF-1 LR3 – 1mg

BATCH: R8-P-1012

RESULT

96.83%

Ipamorelin

BATCH: IPA5-25K11-01

RESULT

99.85%

Sermorelin

BATCH: SER2-25J15-01

RESULT

99.05%

Tesamorelin

BATCH: TES10-25J14-01

RESULT

99.8%

Regenerative & Repair

View Certificates of Analysis for our regenerative and tissue-repair research peptides — BPC-157, TB-500, and GHK-Cu. Every lot of these cytoprotective, pro-angiogenic, and collagen-signaling compounds is HPLC-tested for purity and confirmed by mass spectrometry, with a batch-specific COA.

TB-500 – 10mg

BATCH: 2607150087

RESULT

PASS

TB-500 – 10mg

BATCH: 2607150088

RESULT

≤0.05% EU/mL

BPC-157

BATCH: R8-P-1002

RESULT

99.82%

BPC-157

BATCH: R8-P-1003

RESULT

99.19%

GHK-Cu

BATCH: R8-P-1007

RESULT

99.92%

Melanocortin Peptides

Access batch-specific Certificates of Analysis for our melanocortin research peptides, Melanotan-2 and PT-141 (Bremelanotide). Each lot of these melanocortin-receptor agonists is independently HPLC-tested for purity and identity-confirmed by mass spectrometry.

Melanotan-1 – 10mg

BATCH: 2607150091

RESULT

PASS

Melanotan-1 – 10mg

BATCH: 2607150092

RESULT

≤0.05% EU/mL

Melanotan-2 – 10mg

BATCH: MLN10-25J15-01

RESULT

99.75%

Neuropeptides & Nootropics

Browse Certificates of Analysis for our neuropeptide and nootropic research compounds — Semax, Selank, DSIP, and Oxytocin. Every batch of these CNS-active research peptides is HPLC-verified for purity with third-party mass spectrometry confirmation and a lot-specific certificate.

Semax – 10mg

BATCH: R8-P-1041

RESULT

99.53%

Selank – 10mg

BATCH: R8-P-1026

RESULT

99.41%

Cellular Cofactors & Longevity

Access third-party Certificates of Analysis for our cellular and longevity research compounds — NAD+, Glutathione, and MOTS-c. Each lot of these mitochondrial, redox, and metabolic research peptides is HPLC-tested for purity and confirmed by mass spectrometry, with a batch-specific COA.

SS-31 – 10mg

BATCH: 2607150089

RESULT

PASS

SS-31 – 10mg

BATCH: 2607150090

RESULT

≤0.05% EU/mL

Mots-C – 10mg

BATCH: R8-P-1019

RESULT

99.85%

Glutathione – 600mg

BATCH: R8-P-1040

RESULT

99.86%

NAD+

BATCH: R8-P-1021

RESULT

99.49%

Multi-Peptide Blends

View Certificates of Analysis for our multi-peptide research blends — the GLOW Blend, KLOW Blend, and BPC-157 + TB-500. Each co-lyophilized formulation is HPLC-tested and mass-spectrometry confirmed, with a batch-specific COA documenting purity and component ratios.

GLOW Blend

BATCH: 2606240247

RESULT

99.37%

BPC-157 + TB-500

BATCH: 2606240246

RESULT

99.11%

BPC-157 + TB-500

BATCH: 2606240245

RESULT

99.27%

KLOW Blend – 80mg

BATCH: R8-P-1015

RESULT

99.55%

GLOW Blend

BATCH: R8-P-1011

RESULT

99.79%

BPC-157 + TB-500

BATCH: R8-P-1004

RESULT

99.49%

Research Accessories

Find Certificates of Analysis and quality documentation for our research accessories, including Bacteriostatic Water for peptide reconstitution. Each batch is independently verified for sterility, composition, and quality.

Bacteriostatic Water (BAC Water) – 10mL

BATCH: R8-P-1038

RESULT

99.81%