The Importance of Peptide Purity in Scientific Research: What Every Lab Should Know
Learn why peptide purity matters in scientific research, how purity is tested, and what researchers should look for when evaluating peptide quality and COAs.
For Research Use Only. Not Intended for Human Use.
High-Quality Peptides for Research
Explore quality research peptides selected for laboratory and scientific research applications.
Free U.S. Shipping
Enjoy free shipping on all U.S. orders over $150.
Quality You Can Rely On
Our research peptides are carefully sourced and handled to support consistent quality across every order.
Helpful Customer Support
Have questions about a product or your order? Our support team is available to help whenever you need assistance.
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Our Approach to Research Quality
At American Peptide Sciences, we focus on providing dependable research products backed by careful sourcing, proper handling, and clear product information.
Reliable research starts with materials you can trust. That’s why quality control, testing, and transparency are part of how we approach every product we offer.
Carefully Sourced
Our research products are selected and handled with attention to quality, consistency, and proper storage throughout the process.
Tested for Quality
When available, products are supported by testing and documentation covering key factors such as identity, purity, and consistency.
Clear Product Details
We provide straightforward product details, storage recommendations, research-use information, and available testing documentation so you can make informed purchasing decisions.
Built for Research
At American Peptide Sciences, we’re focused on providing dependable research products backed by clear information and responsive support.
From peptide research and laboratory testing to biochemical studies and other controlled research applications, we aim to provide consistent materials researchers can confidently work with.
Quality. Consistency. Research.
Latest Insights
Stay informed with educational resources covering peptide research, analytical testing, product quality, laboratory practices, and related scientific topics.
How to Choose High-Quality Research Peptides: A Complete Guide for 2026
Learn how to evaluate research peptides, review COAs and purity testing, assess storage and shipping practices, and choose a reliable peptide supplier.
How Stable Is NAD⁺ During Shipping? Independent Lab Results Reveal the Truth
Explore independent NAD⁺ stability testing from American Peptide Sciences, including shipping, storage, purity, and degradation results under different conditions.
Frequently Asked Questions
Find quick answers to common questions about our products, shipping, and more.
How long do orders take to ship?
We typically aim to ship orders within 1-2 business days. Please note that we do not ship on weekends. During high-volume sales periods, such as big promotional events, shipping times may extend slightly by an additional day or two.
What Payment Methods Do You Accept?
We offer multiple convenient payment options:
US Credit/Debit Cards (via digital gift certificate)
Zelle
If you have any questions about these payment methods, feel free to reach out to our customer service team for assistance. Each option will have instructions for how to pay with it at the checkout window make sure to follow those instructions closely to ensure your order does not get cancelled.
Do you ship internationally or only in the US?
American Peptide Sciences ships to the USA only. We are unable to deliver to U.S. Territories, including Puerto Rico and the U.S. Virgin Islands, or to U.S. Military bases.
What is “Not for Human Consumption”?
The products sold at American Peptide Sciences are strictly for use by licensed researchers in qualified laboratories. These products are intended solely for research purposes and should only be handled by professionals qualified to conduct such research. Under no circumstances are our products to be used by or on humans.
