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Modern Aminos’ Tadalafil 5mg capsules & Tadalafil 20mg/ml liquid solution are third-party tested for purity to guarantee authenticity and potency. 




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Tadalafil is a selective phosphodiesterase-5 inhibitor. 


Modern Aminos’ Tadalafil is available in the following options:

  • 5mg capsule, each bottle filled with 60 capsules.
  • 20MG/ML 30ML

Our research chemicals are third-party tested for purity to guarantee authenticity and potency.


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


Why Choose Modern Aminos?

Modern Aminos is a trusted US Research Chemicals vendor and the best place to buy research chemicals 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 SARMs like Ostarine 30mg and RAD-140 10mg, quality peptides like Glutathione 200mg and HCG 5000IU, nootropics, amino acids, research oils, liquid research compounds, and more!




The products available for purchase from Modern Aminos are intended solely for research and laboratory use. These compounds are not designed for human consumption or the diagnosis, treatment, cure, or prevention of any disease or condition.

All customers are presumed to be research professionals who understand that any compounds purchased from Modern Aminos will be handled in accordance with safety protocols mandated by their respective regulatory agencies.

Modern Aminos does not endorse the use of these products in a non-clinical setting or any other non-laboratory-based operations. By purchasing any of these compounds, you acknowledge that you will use them for legitimate research purposes only.

Modern Aminos shall not be held liable for injuries or damages resulting from the handling or use of our products. If you do not agree with these conditions, we advise  you not to proceed with the purchase of any research compounds from our company.


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