15:17

Vitamin D doses

18:27

Metabolic reset

50:27

Reduce dementia risk

30:49

The Vitamin D debate with Professor Spector

20:41

Role of Vitamin K2 in Kidney Disease

8:48

The Unique Benefits of Using Vitamin D and K2 Combined

26:12

Fen ben for cancer?

1:07:22

How much Vitamin D should I take?