In the last few years, the consumption of dietary supplements, especially those having plants
as ingredients, has been increasing due to the common idea that they are natural products …

The popularity of phosphodiesterase type 5 (PDE-5) enzyme inhibitors for the treatment of
erectile dysfunction has led to the increase in prevalence of illicit sexual performance …

As all medicines, herbal medicinal products are expected to be safe, effective, and of
appropriate quality. However, regulations on herbal medicinal products vary from country to …

The prevalence of human immunodeficiency virus (HIV) infection among people older than
50 years is increasing. Older HIV-infected patients are particularly at risk for polypharmacy …

In the last few years, sildenafil and its analogues have emerged as an illegal ingredient in
health food and products, causing illness and death. To address this problem, herein, a gold …

This paper presents an application of ultra high-performance liquid-chromatography-
quadrupole-TOF high resolution mass spectrometry (UHPLC-Q-TOF HRMS) for …

Abstract Counterfeit phosphodiesterase-5 inhibitors (PDE-5i) are an increasing problem.
Already in widespread use, the market for PDE-5i is steadily growing as the population …

Pulmonary arterial hypertension (PAH) is a devastating disease that can lead to right
ventricular failure and premature death. Although approved drugs have been shown to be …

Sexual dysfunction pertains to any issue that hinders an individual from attaining sexual
contentment. This health issue can have a significant impact on the quality of life and …

Due to their popularity, medicinal products containing the phophodiesterase type 5 enzyme
(PDE-5) inhibitors sildenafil, vardenafil and tadalafil are often subject to counterfeiting. In …