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 …

While NMR is the most used analytical method for determining the molecular structure of
isolated chemical entities, small compounds as well as macromolecules, its capability of …

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 …

The scale at which erectile dysfunction (ED) medicines are obtained outside of the official
health system rivals and possibly exceeds legitimate sales. According to literature a high …

Abstract Introduction Kratom (Mitragyna speciosa), a plant native to Southeast Asia, has
been used for centuries for its stimulant and opium-like effects. Mitragynine and 7 …

One hundred and fifty dietary supplements (DS) marketed to increase sexual performance
were analyzed. All these formulations were claimed to contain only natural compounds …

In the present work, we developed a highly sensitive and selective method for the
determination of sildenafil (SIL) using a modified glassy carbon electrode (GCE) with …

To date, there are 80 synthetic PDE-5i found as adulterants in dietary supplements.
Analogues of sildenafil remain as the top list with 50 (62%) and are followed by analogues …

Due to the growing trend of returning to nature and the fear of adverse reactions from
conventional medicines, people are increasingly resorting to the use of herbal preparations …

The popularity of herbal medicines and dietary supplements is increasing all over the world
due to the many side-effects assigned to synthetic drugs. Herbal remedies should be …