Description

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!