RESEARCH GRADE · MIAMI, FLORIDA

Purity at the
Molecular
Level.

THE AMERICAN STANDARD IN PEPTIDE RESEARCH

41 research-grade peptides. 99%+ purity guaranteed on every vial. Third-party COA on 
every batch. US-based distribution.

41

RESEARCH PEPTIDES

99%+

PURITY GUARANTEED

9

CATEGORIES

3rd

party coa

PRODUCT CATEGORIES

Shop by Research Focus

Every category curated for serious researchers. All products carry third-party COA and are manufactured to 99%+ purity standards.

GLP-1 / Weight Loss

2 PRODUCTS

Cagrilintide, AOD9604, metabolic peptides.

Growth Hormone

9 PRODUCTS

CJC-1295, Ipamorelin, GHRP-2, GHRP-6, Sermorelin, Tesamorelin, IGF-1.

Recovery & Repair

7 PRODUCTS

BPC-157, TB-500, GHK-Cu and combination stacks.

Longevity

6 PRODUCTS

Epithalon, MOTS-c, SS-31, Thymulin, 5-Amino-1MQ.

Cognitive

3 PRODUCTS

Selank, Semax, DSIP.

Melanocortin Research

5 PRODUCTS

PT-141, MT-1, MT-2, Oxytocin, KissPeptin.

Immune Support

2 PRODUCTS

Thymosin Alpha-1, Ara-290, Glutathione, LL37.

Hormone & Fertility

3 PRODUCTS

HMG, Gonadorelin, L-Carnitine.

NAD+ & Energy

2 PRODUCTS

Cagrilintide, AOD9604, metabolic peptides.

WHY 305 PEPTIDES

The American Standard

Built on one principle — research deserves the highest quality inputs. No compromises.

99%

Purity Guaranteed

Every vial tested to 99%+ purity. Third-party COA on every batch.

USA

American Distribution

Based in Miami, FL. US warehousing means faster shipping and no customs delays.

41

Always In Stock

Deep inventory across all 41 SKUs. Your research is never interrupted by stock-outs

COA

Full Transparency

HPLC purity, mass spec confirmation, and endotoxin results on every COA.

QUALITY ASSURANCE

Our Quality Standard

Every 305 Peptides product is independently tested before it ships.

99%

Every vial tested to 99%+ purity. Third-party COA on every batch.

HPLC Purity Testing

✓ Verified

Molecular weight confirmation via MS analysis ensures sequence accuracy and rules out adulteration

Mass Spectrometry

<1 EU/mg

LAL endotoxin test on all injectable-format peptides. Results documented on every COA

Endotoxin Testing

PRODUCT CATEGORIES

Request the Full Catalog

We offer bulk pricing for qualified researchers and distributors.

email

info@305peptides.com

location

Miami, Florida · USA