What It Actually Is
Vitamin D3 (cholecalciferol) is the form of vitamin D the body produces from sun exposure, and the form most commonly used in supplements.
What Research Generally Shows
Vitamin D plays a well-documented role in immune function, and deficiency has been linked in research to poorer respiratory health outcomes.
The Honest Gap
BreathEaseX doesn't disclose the specific amount of Vitamin D3 included.
