100% SATISFACTION GUARANTEE POLICY | IF YOU'RE NOT HAPPY WITH YOUR PURCHASE, WE'LL REPLACE IT WITH SOMETHING YOU'RE HAPPY WITH

YOUR TRUSTED SOURCE FOR RESEARCH PRODUCTS ONLINE

LONGEVITY PEPTIDES

Longevity Peptides: Browse our Wide Range of Research Products

FOR RESEARCH PURPOSES ONLY, NOT FOR

HUMAN CONSUMPTION.

Longevity Peptides specializes in providing high-quality peptides, proteins, amino acid derivatives and research chemicals for scientific research and development. While we don’t synthesize our own products, we partner with trusted manufacturers to ensure the highest standards of purity. All our 30ml bottles undergo third-party testing, and we continue to test products as they arrive to guarantee reliability for your research needs. All of our products are for research purposes only, not for human consumption.

QUALITY PRODUCTS WITH 100% SATISFACTION GUARANTEED

GUARANTEED SATISFACTION

WE GUARANTEE YOUR SATISFACTION. IF YOU'RE UNHAPPY WITH OUR PRODUCTS, CONTACT US FOR A PRODUCT EXCHANGE. FIND MORE INFO AT THE BOTTOM OF THIS PAGE.

3RD PARTY TESTED
WE ARE DEDICATED TO PROVIDING HIGH-QUALITY RESEARCH PRODUCTS YOU CAN RELY ON. EACH TIME WE RECEIVE NEW BATCHES, THEY UNDERGO RIGOROUS TESTING TO ENSURE QUALITY....

FLAT RATE SHIPPING

FLAT RATE SHIPPING ON ALL ORDERS. NEED IT FASTER? CONTACT US: LONGEVITYPEPTIDES@PROTONMAIL.COM

MULTIPLE PAYMENT OPTIONS
CHOOSE FROM CASHAPP, ZELLE, VENMO, CRYPTO, OR BUY CREDIT/DEBIT BY INVOICE THROUGH SQUARE.

LONGEVITY PEPTIDES

"Premium Peptides for Research Excellence in Health & Longevity"

Longevity Peptides provides products strictly intended for research purposes only. These products are not for human or animal consumption, injection, or any form of ingestion. Any use of our products outside of laboratory research is strictly prohibited and against our policies. We do not promote or condone the use of research chemicals for recreational or therapeutic purposes, and doing so may violate local, state, or federal laws. Customers are responsible for ensuring that their use of these products complies with applicable regulations. By purchasing from Longevity Peptides, you agree to use our products solely for research purposes and accept full liability for their use in accordance with this disclaimer.

Customer Reviews: Trusted Feedback on Our Research Products

Thanks for another touchdown! My research has been going great since I was referred to Longevity. I've ordered 5-6x in the past few months and every time the process has been smooth and the products have all lived up to my expectations. I gave up on another company and I'm happy...
Jon Greshover
Jon Greshover
Thanks for another touchdown! My research has been going great since I was referred to Longevity. I've ordered 5-6x in the past few months and every time the process has been smooth and the products have all lived up to my expectations. I gave up on another company and I'm happy...
We're extremely pleased with the quality of our research products. We own a small lab and finding quality research products at reasonable prices is difficult. Thanks for the quick responses and the assistance with getting us our lost package!
Nicole R.
Nicole R.
We're extremely pleased with the quality of our research products. We own a small lab and finding quality research products at reasonable prices is difficult. Thanks for the quick responses and the assistance with getting us our lost package!
The quality of these peptides is outstanding, and the packaging is secure and professional. Prices are fair, especially for the level of purity they offer. Overall, very happy with my experience and highly recommend Longevity Peptides!
Courtney P.
Courtney P.
The quality of these peptides is outstanding, and the packaging is secure and professional. Prices are fair, especially for the level of purity they offer. Overall, very happy with my experience and highly recommend Longevity Peptides!
Amazing customer support! I had questions and got quick, helpful responses over text. They even included a free research sample with my order. Really went above and beyond—definitely a company that values its customers
Omar Y.
Omar Y.
Amazing customer support! I had questions and got quick, helpful responses over text. They even included a free research sample with my order. Really went above and beyond—definitely a company that values its customers
High-Quality research products and great support from the owner Bryan. I had a few questions I sent over by email and I was given everything I needed to make an informed decision. They got my package out later than expected, but I was pleasantly surprised to find a freebie and...
Ryan H.
Ryan H.
High-Quality research products and great support from the owner Bryan. I had a few questions I sent over by email and I was given everything I needed to make an informed decision. They got my package out later than expected, but I was pleasantly surprised to find a freebie and...
Quick delivery, great packaging, and so far, great research products. I'll be back.
Cindy Clark
Cindy Clark
Quick delivery, great packaging, and so far, great research products. I'll be back.

ALL PRODUCTS SOLD BY LONGEVITY PEPTIDES ARE FOR RESEARCH PURPOSES ONLY, NOT FOR HUMAN CONSUMPTION. 

FREQUENTLY ASKED QUESTIONS

We accept CashApp, Zelle, Venmo (5% charge) and a 20% discount for paying with Bitcoin, Ethereum, XRP, Solana, ADA, XLM, and Litecoin.

Since we are a " for research purposes only" company, we are unable to assist you with the use of our products. Disclaimer Longevity Peptides provides products strictly intended for research purposes only. These products are not for human or animal consumption, injection, or any form of ingestion. Any use of our products outside of laboratory research is strictly prohibited and against our policies. We do not promote or condone the use of research chemicals for recreational or therapeutic purposes, and doing so may violate local, state, or federal laws. Customers are responsible for ensuring that their use of these products complies with applicable regulations. By purchasing from Longevity Peptides, you agree to use our products solely for research purposes and accept full liability for their use in accordance with this disclaimer.

Shipping Policy

We process and ship orders within 2-5 business days. Once your package has been shipped, our responsibility ends. The shipping carrier (USPS, UPS, or FedEx) assumes full responsibility for its delivery.


Tracking & Shipping Responsibility

Once we provide you with a tracking number, we no longer have control over your package and do not have access to any additional tracking information.


We understand that waiting for a package can be frustrating, but we do not have the time or resources to respond to emails asking for tracking updates. Our focus is on fulfilling orders and running our business efficiently. If your package is delayed, missing, or lost, you must contact the carrier directly.


For assistance, please reach out to the carrier:

USPS:

1-800-ASK-USPS® (1-800-275-8777)

UPS:

Contact UPS

FedEx:

Available upon request for an additional charge


Lost Packages & Insurance

Shipping carriers are generally reliable, but delays and lost packages do happen. If you’re concerned about this, we strongly recommend purchasing package insurance for a small additional fee. Email us at longevitypeptides@protonmail.com before placing your order to get a quote.


Final Sale – No Exceptions


Once payment is made and your package is shipped, our transaction is complete. We do not issue refunds, reshipments, or replacements for lost or delayed packages.


If we make a mistake (e.g., an item is missing from your order), we will correct it. Please contact us immediately.Refunds are only

issued if we cannot fulfill your order due to stock unavailability.


Important Notes

🚫 We do not track packages after they leave our facility.

🚫 We cannot respond to emails or texts asking where your package is.

🚫 We do not have special access to shipping updates beyond what you see with your tracking number.


We appreciate your understanding—our priority is fulfilling orders as quickly as possible, and we simply do not have the capacity to respond to package inquiries. If you have concerns, please insure your package before ordering.

Satisfaction Guarantee & Return Policy

At Longevity Peptides, we are committed to your satisfaction, even if your initial experience does not meet expectations. We understand that research chemicals can produce varying results due to methodology, environmental factors, and equipment variations.

Our goal is to ensure you feel confident in your purchase and satisfied with your research outcomes.

Our Return & Exchange Policy

Unlike many companies, we stand by our products:

-If you are unsatisfied, you may return unused products for an exchange.

-We do not accept returns of used products, and we do not offer refunds for any items, whether used or unused.

-Customers are responsible for all shipping costs related to returns and exchanges.

-Important Notice: All our products are for research purposes only and are not intended for human consumption. Requests for returns based on personal use results will not be accepted.


How to Request a Return or Exchange

To initiate a return, please email us at longevitypeptides@protonmail.com with:

Your

full name

Your

order number

The

items being returned

The

products you’d like in exchange


Additional Notes:

No credit will be issued for unused balances. Any additional amount owed must be paid before we ship new products.

We appreciate your trust in Longevity Peptides and are here to support your research needs!

CONTACT US BELOW

Please be advised: All compounds and research materials provided by Longevity yare strictly for laboratory and research use only. They are not approved for human consumption by the Food and Drug Administration (FDA). These products should not be used for any form of in vivo experimentation or for any other non-laboratory purpose. By purchasing these products, you acknowledge that they will be used exclusively within a controlled and qualified research environment.

Monday-Friday 8am-8pm, Saturday 9am-1pm
Text Only 8am-9pm Monday-Saturday