Vitamin studied for bone health, immune function, mood support. How it works, the dose and timing studied, what it interacts with, and the research behind the grade.
All compoundsBinds the vitamin D receptor (VDR), a nuclear receptor present in virtually every tissue, regulating expression of over 1,000 genes. Deficiency is associated with impaired immune response, poor mood, and reduced testosterone in men.
The dose below reflects the range used in published research. Match the form alongside the milligrams. Set your own wake and bed times to map the timing onto your day.
Read these before combining this with other supplements or medication. The risk is rarely the headline, it is the interaction you did not check.
Derived from shared topics, complementary categories, and the interaction list. Introduce one compound at a time so you can tell what works.
Often considered alongside this one. Each carries its own evidence grade.