Vitamin D
Everything in the library on Vitamin D — the protocols, the science, and what it feels like in practice.
Video
Vitamin D, Omega-3s, and Exercise: Small Inputs, Larger Healthspan Signals
Paper
Mud Therapy and Sun Bath: 6 Ancient Healing Practices Modern Science Is Now Validating
Heat therapy benefits become clearer when mud and sunlight meet evidence, restraint, and a protocol built for recovery, vitality, and safety.
Paper
Whole-Body Cryotherapy Affects Blood Vitamin D Levels in People with Multiple Sclerosis
For readers weighing cold plunge benefits for women, this cryotherapy study tracks vitamin D shifts in women with MS after 20 sessions.