A block of talc. Talc is a metamorphic mineral that results from the metamorphism of magnesian minerals such as serpentine, pyroxene, amphibole, and olivine, in the presence of carbon dioxide and water. This is known as talc carbonation or steatization and produces a suite of rocks known as talc carbonates.
Vitamin D does this so effectively that studies have shown it can reduce inflammation by anywhere up to one third making it just as effective as many medicines available over the counter. As well as stopping inflammation, regular consumption of vitamin D-rich foods can help reduce pain and stress on joints.
There are other reasons to take it too. In a study with chronic pain patients, vitamin D helped reduce pain, improve quality of life, and increase sleep.(4) Having adequate levels of D may protect against cancer, control inflammation, heart disease, poor mood, and may help regulate the immune system.