Figure 1: odour concentration for different commercial selenium sources
In this comparative assessment, Excential Selenium 4000 and selenized yeast showed lower odour emission, while the other tested sources emitted ~4–5× higher odour concentration (Figure 1). Selenized yeast typically contains a mixture of selenium species, with L-selenomethionine representing only a fraction of the total selenium content.
The remaining portion consists of other organic and inorganic selenium compounds, as well as residual yeast matrix components. This more complex and diluted composition reduces the proportion of free or reactive selenium species, which may contribute to a lower odour emission compared to more concentrated forms. In contrast, purified sources such as L-selenomethionine provide a significantly higher and more consistent L-SeMet concentration.
Excential Selenium 4000 delivers up to 2× higher bioavailable L-SeMet compared to selenized yeast while maintaining a low odour profile comparable to selenized yeast. enabling precise and efficient selenium nutrition
Excential Selenium 4000 delivers up to 2× higher bioavailable L-SeMet compared to selenized yeast while maintaining a low odour profile comparable to selenized yeast. enabling precise and efficient selenium nutrition
Importantly, despite this higher concentration, Excential Selenium 4000 maintains a low odour profile, comparable to selenized yeast, combining performance with a superior handling experience. For Excential Selenium 4000, a special technology is used, which helps in masking the odour and keeping the product dust free. The OH-SeMet, Zinc L SeMet and Chinese origin L SeMet have a very strong odour emission, indicating unpleasant handling at the workplace.
Contributing to a happy and healthy workplace
When you handle a selenium source as a concentrated ingredient (premix, mineral blend, warehouse), lower odour emission can reduce complaints, improve acceptance, and make day-to-day handling more pleasant and consistent, especially where multiple operators work with the same materials.
Excential Selenium 4000 supports a cleaner, more user-friendly handling experience, combining low odour emission with low dust potential and a focus on precision nutrition.
