Buy S4

One of the original and most researched SARMs, and a consistent bestseller, S4 (andarine) is one of the most popular selective androgen receptor modulators (SARMs) offered here at Modern Aminos.

To accommodate the varied needs of researchers, we offer two versions of this product:

• S4 25MG Units x 60 – Dry-Fill Format
• S4 50MG/ML x 30ML – Liquid Format

Precision, purity, and quality are always our biggest priorities here at Modern Aminos, hence why we routinely test our S4 products for authenticity and quality.

For more information regarding the quality and authenticity of our products, please visit our COAs page. You may also contact us at cs@modernaminos.com

Why Choose Modern Aminos?

Modern Aminos is a trusted US Research Chemicals vendor and the best place to buy SARMs online. 

If you’re looking to buy research chemicals online, our one-stop-shop offers a wide range of third-party tested, high-quality research chemicals made in the USA — including highest quality amino acids, quality nootropics like Piracetam 800mg and Noopept 30mg, peptides, research oils, and more!

The products offered by Modern Aminos are intended strictly for laboratory research purposes only and are sold exclusively to qualified professionals, institutions, and entities. These products are not for human consumption, veterinary use, or any other application involving living organisms, including but not limited to diagnostic, therapeutic, or recreational purposes.

By purchasing this product, you confirm that:

• You are a qualified professional or entity with the necessary knowledge, training, and facilities to handle chemical reagents safely and appropriately.
• You will use this product in full compliance with all applicable local, state, and federal laws and regulations.

Prohibited Uses

• This product is not to be used as an active pharmaceutical ingredient (API) in compounding or manufacturing drugs for human or veterinary use.
• It is strictly prohibited to use this product for administration to humans or animals under any circumstances.
• Modern Aminos does not condone or permit the use of its products for the development, testing, or production of illegal substances.

Regulatory Compliance

Modern Aminos does not claim that this product is approved by the U.S. Food and Drug Administration (FDA) for any purpose. The statements regarding this product have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.

Liability Statement

The buyer assumes full responsibility for ensuring the safe handling, storage, and use of this product. Modern Aminos is not liable for any damages, direct or indirect, resulting from improper handling, storage, or unauthorized use of this product. Furthermore, Modern Aminos reserves the right to refuse sales to any individual or entity suspected of misusing its products.

If you have questions about the safe and lawful use of this product, consult a qualified professional with expertise in laboratory research. By proceeding with this purchase, you agree to these terms and conditions.

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