The same logic applies to strong acids
Over time, consistent use can lead to firmer, smoother skin with a more youthful appearance
Consult a healthcare professional if you: Have Asthma or Severe Allergies Some forms of glutathione, especially inhaled or intravenous, may trigger bronchial (air passages of the lungs) irritation or worsen asthma symptoms in sensitive individuals
Regulatory Status Niagen has been successfully notified to the FDA as Generally Recognized as Safe (GRAS), and has been successfully reviewed by the FDA in 2015 and 2018 under its New Dietary Ingredient (NDI) notification program
The results from the other three clinical trials have been similarly mixed, and because they did not use the rigorous, controlled-trial methodology used in the 2017 study, it is unwise to integrate or compare results
Hydration and nourishment are key