Third-Party Tested
Free Shipment Protection
Free Shipping on Orders Over $100
99%+ HPLC Purity
Third-Party Tested
Free Shipment Protection
Free Shipping on Orders Over $100
99%+ HPLC Purity
Third-Party Tested
Free Shipment Protection
Free Shipping on Orders Over $100
99%+ HPLC Purity
  • Catalog

The Research Essentials, Without the Guesswork.

A focused collection today, with more peptides coming soon. Every batch is tested by HPLC and mass spectrometry at independent U.S. laboratories, with potency, purity, and endotoxin results documented in its COA.
  • Metabolic Research
  • In stock

Retatrutide

$199.99
A 39-amino acid triple agonist peptide targeting GIP, GLP-1, and glucagon receptors, studied for metabolic regulation and body composition in clinical research.
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This product has multiple variants. The options may be chosen on the product page
  • In stock

Tirzepatide

$109.99
A 39-residue synthetic linear peptide that acts as a dual agonist at both the GIP and GLP-1 receptors. A C20 fatty diacid chain at Lys-20 drives albumin binding for a once-weekly circulation profile.
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This product has multiple variants. The options may be chosen on the product page
  • In stock

Lipo-C

$49.99
A long-acting GLP-1 receptor agonist: a 31-residue analog of human GLP-1 (~94% sequence homology) carrying a C18 fatty diacid chain via a linker that drives reversible albumin binding for extended circulation.
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This product has multiple variants. The options may be chosen on the product page
  • In stock

GHK-Cu

$29.99
A naturally occurring copper tripeptide that promotes tissue remodeling, wound healing, and collagen synthesis in animal and in vitro studies.
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This product has multiple variants. The options may be chosen on the product page
  • Out of stock

KLOW

$99.99
A quad-peptide combination of BPC-157, TB-500, GHK-Cu, and KPV targeting complementary angiogenic, cellular migration, extracellular matrix remodeling, and anti-inflammatory pathways in preclinical research.
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This product has multiple variants. The options may be chosen on the product page
  • Out of stock

Melanotan I

$29.99
A 13-amino acid linear peptide analog of alpha-melanocyte-stimulating hormone that selectively activates MC1R to stimulate eumelanin synthesis and photoprotective pathways in clinical research.
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This product has multiple variants. The options may be chosen on the product page
  • The Open Standard

Nothing Hidden Behind the Label.

Independent testing and batch-specific documentation give you a clear view of what’s actually in every vial.

0 %+
Identity Purity, Guaranteed

Verified by HPLC on every batch

HPLC
Mass Spec
0
Quality Checks Per Batch

Potency, Purity, Endotoxins

Potency
Purity
Endotoxins
0 %
U.S. Lab Verified

ISO/IEC 17025 accredited partner labs

ISO/IEC 17025
3rd-party
01

Verified Potency

HPLC Analysis
Exact concentration confirmed to the microgram on every batch
02

99%+ Purity

Mass Spectrometry
Free from impurities, degradation products, synthesis byproducts.
03

Long-Term Stability

pH & Stability
Stable lyophilized product from ship date through shelf life.
04

Batch Consistency

QC Verification

Same quality on order #1 and order #50. Verified.

For Research Use Only

Open Science products are supplied exclusively for laboratory research and analytical purposes. They are not intended for human or veterinary use. These products have not been evaluated by the U.S. Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease. Purchasers are responsible for handling all products in accordance with applicable laws and research-safety standards.

  • FAQ

Frequently Asked Questions

Everything you need to know about research peptides, ordering, shipping, and more.

1. Which products does Open Science offer?

Our initial catalog includes five research products:

GLP-2 (Tirzepatide)

GLP-3 (Retatrutide)

GHK-Cu

Lipo-C with B-12

Bacteriostatic Water

2. Are your products intended for human or veterinary use?

No. Open Science products are supplied strictly for laboratory research and are not intended for human or veterinary use.

3. What purity level do your peptides have?

Every peptide has a minimum purity of 99%. Consult the corresponding Certificate of Analysis for batch-specific results.

4. Are your peptides lyophilized?

Yes. All Open Science peptide products are supplied as lyophilized powder. Lipo-C with B-12 and Bacteriostatic Water are supplied in liquid form.

1. What does Open Science test for?

Products are tested for potency, purity, and endotoxins. Batch-specific results are documented in the corresponding Certificate of Analysis.

2. Are your products independently tested?

Yes. Products are tested by an independent laboratory before being offered for sale.

3. What is a Certificate of Analysis?

A Certificate of Analysis is a document containing the laboratory results associated with a specific product batch.

4. Where can I find the Certificate of Analysis?

The Certificate of Analysis is available directly on each product page. Our centralized Research Library is coming soon.

5. Can test results vary between batches?

Yes. Results may vary slightly between batches. Always consult the Certificate of Analysis associated with the specific product being purchased.

1. How do I place an order?

Select your products, add them to your cart, and complete the secure checkout process.

2. Will I receive an order confirmation?

Yes. An order confirmation will be sent to the email address provided during checkout.

3. Can I modify or cancel my order?

Contact us as quickly as possible. Orders cannot be modified or canceled once processing or shipment has begun.

4. Do you offer bulk or wholesale pricing?

Yes. Visit our Wholesale page to learn more or submit an inquiry.

5. What happens if a product is out of stock?

Products marked as out of stock cannot be ordered until inventory is replenished. Restock notifications may be available on the product page.

6. What payment methods do you accept?

Available payment methods are displayed during checkout and may vary depending on location.

7. Is checkout secure?

Yes. Payments are processed through secure, encrypted payment infrastructure.

8. What should I do if my payment is declined?

Verify your billing information and contact your bank. If the problem continues, contact our support team.

1. How long does order processing take?

Orders are generally prepared within two business days.

2. Will I receive tracking information?

Yes. Tracking details will be emailed once your order has shipped.

3. Do you offer discreet packaging?

Yes. Orders are shipped in plain, secure packaging without information identifying the contents.

4. How long does delivery take?

Delivery times depend on the destination and shipping service selected at checkout.

5. Who is responsible for customs fees or import requirements?

International customers are responsible for applicable customs duties, taxes, and local import requirements.

1. Can I return a product?

Due to the nature of our products, returns are generally not accepted after shipment unless the product arrives damaged or incorrect.

2. What should I do if my order arrives damaged or incorrect?

Contact us promptly with your order number and clear photographs of the package and products received.

3. When will an approved refund be processed?

Approved refunds are returned to the original payment method. Processing times depend on the financial institution.

1. How can I contact Open Science?

Use the contact form on our website or email our customer support team.

2. How quickly will I receive a response?

We aim to respond within one business day.

3. Can your team provide usage or dosing guidance?

No. Open Science does not provide medical advice, dosing instructions, or guidance for human or veterinary use.

Products

1. Which products does Open Science offer?

Our initial catalog includes five research products:

GLP-2 (Tirzepatide)

GLP-3 (Retatrutide)

GHK-Cu

Lipo-C with B-12

Bacteriostatic Water

2. Are your products intended for human or veterinary use?

No. Open Science products are supplied strictly for laboratory research and are not intended for human or veterinary use.

3. What purity level do your peptides have?

Every peptide has a minimum purity of 99%. Consult the corresponding Certificate of Analysis for batch-specific results.

4. Are your peptides lyophilized?

Yes. All Open Science peptide products are supplied as lyophilized powder. Lipo-C with B-12 and Bacteriostatic Water are supplied in liquid form.

Testing

1. What does Open Science test for?

Products are tested for potency, purity, and endotoxins. Batch-specific results are documented in the corresponding Certificate of Analysis.

2. Are your products independently tested?

Yes. Products are tested by an independent laboratory before being offered for sale.

3. What is a Certificate of Analysis?

A Certificate of Analysis is a document containing the laboratory results associated with a specific product batch.

4. Where can I find the Certificate of Analysis?

The Certificate of Analysis is available directly on each product page. Our centralized Research Library is coming soon.

5. Can test results vary between batches?

Yes. Results may vary slightly between batches. Always consult the Certificate of Analysis associated with the specific product being purchased.

Orders & Payments

1. How do I place an order?

Select your products, add them to your cart, and complete the secure checkout process.

2. Will I receive an order confirmation?

Yes. An order confirmation will be sent to the email address provided during checkout.

3. Can I modify or cancel my order?

Contact us as quickly as possible. Orders cannot be modified or canceled once processing or shipment has begun.

4. Do you offer bulk or wholesale pricing?

Yes. Visit our Wholesale page to learn more or submit an inquiry.

5. What happens if a product is out of stock?

Products marked as out of stock cannot be ordered until inventory is replenished. Restock notifications may be available on the product page.

6. What payment methods do you accept?

Available payment methods are displayed during checkout and may vary depending on location.

7. Is checkout secure?

Yes. Payments are processed through secure, encrypted payment infrastructure.

8. What should I do if my payment is declined?

Verify your billing information and contact your bank. If the problem continues, contact our support team.

Shipping

1. How long does order processing take?

Orders are generally prepared within two business days.

2. Will I receive tracking information?

Yes. Tracking details will be emailed once your order has shipped.

3. Do you offer discreet packaging?

Yes. Orders are shipped in plain, secure packaging without information identifying the contents.

4. How long does delivery take?

Delivery times depend on the destination and shipping service selected at checkout.

5. Who is responsible for customs fees or import requirements?

International customers are responsible for applicable customs duties, taxes, and local import requirements.

Returns

1. Can I return a product?

Due to the nature of our products, returns are generally not accepted after shipment unless the product arrives damaged or incorrect.

2. What should I do if my order arrives damaged or incorrect?

Contact us promptly with your order number and clear photographs of the package and products received.

3. When will an approved refund be processed?

Approved refunds are returned to the original payment method. Processing times depend on the financial institution.

Support

1. How can I contact Open Science?

Use the contact form on our website or email our customer support team.

2. How quickly will I receive a response?

We aim to respond within one business day.

3. Can your team provide usage or dosing guidance?

No. Open Science does not provide medical advice, dosing instructions, or guidance for human or veterinary use.

Open Science

Research access

Open Science supplies research materials for qualified, lawful laboratory use. Before entering, please confirm the following.

By continuing, you confirm that the information provided is accurate and that all acquisition, handling, storage, testing, and disposal will comply with applicable laws and be carried out by appropriately trained personnel. Open Science products are not drugs, foods, supplements, cosmetics, or medical devices.

Not conducting research? Exit