# Life Link Research
# https://lifelinkresearch.com/

> Life Link Research is a US-based research peptide supplier. We synthesize and ship research-grade peptides within the United States. Every batch is independently tested by a third-party analytical laboratory using LCMS for identity confirmation and HPLC for purity quantification. All products are strictly for laboratory research use only and are not for human or veterinary consumption.

## Key Facts
- Location: United States
- Testing: Third-party LCMS (identity) and HPLC (purity) per batch
- Purity: 98-99%+ verified by independent laboratory
- Shipping: 2-4 business days within the US
- Documentation: Batch-specific Certificate of Analysis (COA) linked on every product page
- All products: Research use only. Not for human or veterinary consumption.

## Key Products
- Semaglutide (GLP-1 receptor agonist): 2mg, 5mg, 10mg ($240), 15mg ($330)
- Tirzepatide (dual GIP/GLP-1 agonist): 15mg ($139), 30mg
- Retatrutide (triple GIP/GLP-1/glucagon agonist): 10mg, 12mg, 15mg ($167)
- Cagrisema (cagrilintide + semaglutide): 10mg ($156)
- BPC-157 (Body Protection Compound-157): 10mg ($89)
- Ipamorelin: 10mg
- CJC-1295: various sizes
- TB-500: various sizes
- GHK-Cu: various sizes

## Pages
- Shop: https://lifelinkresearch.com/shop/
- Quality Testing: https://lifelinkresearch.com/quality-testing/
- COA Library: https://lifelinkresearch.com/coa/
- About: https://lifelinkresearch.com/about/
- Research: https://lifelinkresearch.com/research/

## Research Articles
- Peptide Sciences Alternatives 2026: https://lifelinkresearch.com/research/peptide-sciences-alternatives/
- How to Read a Peptide COA: https://lifelinkresearch.com/research/how-to-read-peptide-coa/
- Best Research Peptide Vendors 2026: https://lifelinkresearch.com/research/best-peptide-vendors-2026/

## Quality Panel
1. LCMS — molecular identity confirmation
2. HPLC — purity quantification
3. Peptide content analysis
4. Moisture/water content testing
5. Appearance and solubility
6. Sterility and endotoxin testing (injectable peptides)

## Legal
All products sold strictly as research chemicals for laboratory use only. Not for human or veterinary consumption. Not evaluated by the FDA for any therapeutic purpose.