Vitamin D

Uses

How it works

Benefits

Dosage & preparation

Preparation

Risks & contraindications

Interactions

Comparisons

Background

Evidence quality

Where it comes from

Other

Highlighted claims

• Sunlight requires no supply chain and no diagnostic infrastructure. — Pandemic Resilience Without Supply Chains
• Sunlight cannot be hoarded, distinguishing it from other medical interventions during scarcity. — Pandemic Resilience Without Supply Chains
• Mushrooms exposed to ultraviolet light generate a precursor form of vitamin D. — Eat More Mushrooms on Keto
• The vitamin D precursor in mushrooms is not the fully active form and requires conversion in the body, similar to skin-synthesized pre-vitamin D. — Eat More Mushrooms on Keto
• Daily cod liver oil is recommended as a staple food during the transition from breast milk to solid food. — DHA: The Most Important Nutrient for Infants
• Vitamin D deficiency increases the risk of developing active TB by five times. — The Deadliest Bacteria in the World: Tuberculosis
• In children, vitamin D deficiency manifests as rickets, causing structural malformation of the skeleton. — Costochondritis (Rib Cage Pain) Is NOT What You Think
• In adults, vitamin D deficiency causes osteomalacia — a softening of the bones that produces sternum tenderness and cartilage pain. — Costochondritis (Rib Cage Pain) Is NOT What You Think
• In 1988, vitamin D receptors were discovered to exist in nearly every cell in the human body, not just calcium-related tissues. — The Coimbra Protocol: High-Dose Vitamin D3 for Autoimmune Disease
• The conventional medical framework for vitamin D was built almost entirely around bone metabolism and calcium regulation. — The Coimbra Protocol: High-Dose Vitamin D3 for Autoimmune Disease