Articles and News

Craig's Perspective

Why Isn't the Vitamin D3 Regimen Studied, and Why Doesn't My Doctor Know About It?

If the Vitamin D3 regimen helps so many people with cluster headache, why has no one run a proper trial, and why does your doctor look blank when you mention it? The answers are not a conspiracy. They are about money, ethics, recruitment and the hard reality of research.

Community Outcomes

What Cluster Headache Patients Report: Results From the Vitamin D3 Regimen Survey

For over a decade, cluster headache patients have reported their own outcomes on the Vitamin D3 Anti-Inflammatory Regimen. Here is what that community-collected survey data shows, and why we are still gathering it.

The Vitamin D Regimen

After the Loading Dose: Vitamin D3 Maintenance and What to Monitor

Loading gets most of the attention. Maintenance is where the regimen becomes a long-term plan: daily or weekly Vitamin D3, cofactors, follow-up labs, and dose adjustments guided by 25(OH)D, calcium and PTH.

The Vitamin D Regimen

600,000 IU of Vitamin D3: Reckless Megadose or Recognised Loading Therapy?

A focused, evidence-based look at Vitamin D3 loading doses, stoss therapy, serum 25(OH)D, calcium monitoring and relative risk in cluster headache prevention.

Craig's Perspective

CGRP Treatments for Cluster Headache in 2026: What the New Evidence Says

A careful look at the 2026 evidence on CGRP-targeted treatments for cluster headache, why episodic and chronic cluster headache results differ, and where the Vitamin D3 Regimen fits.

The Vitamin D Regimen

What Blood Tests Do You Need Before Starting the Vitamin D3 Regimen?

A practical guide to the blood tests to discuss with your doctor before starting the Vitamin D3 Anti-Inflammatory Regimen, including 25(OH)D, calcium, PTH, kidney function and magnesium.

The Vitamin D Regimen

PTH, Calcium and 25(OH)D: How to Understand Your Vitamin D3 Regimen Blood Tests

A plain-English explanation of how 25(OH)D, calcium and parathyroid hormone relate to each other when monitoring the Vitamin D3 Anti-Inflammatory Regimen.

Craig's Perspective

Start Planning Now for the 2026 Clusterbusters Conference

The 2026 Clusterbusters Conference is set for October 8-11 in Chicago. Here is why you should start planning your attendance now.

Craig's Perspective

600,000iu Vitamin D3 for Children 5 Years and Over?

A New Zealand hospital guideline recommends 600,000iu of vitamin D3 for children. What does this mean for cluster headache patients using high-dose D3?

The Vitamin D Regimen

High-Dose Vitamin D3 Therapy in Psoriasis: Reassuring Data

A 2025 study on high-dose vitamin D3 in psoriasis patients offers reassuring safety data for cluster headache patients following the D3 anti-inflammatory regimen.

Craig's Perspective

Cluster Headache, Diet, Vitamin D3, Psilocybin and Microbiome

Exploring the fascinating convergence of gut health, vitamin D3 and psilocybin research and what it might mean for cluster headache patients.

The Vitamin D Regimen

The Supplements I Use for the Vitamin D3 Anti-Inflammatory Regimen for Cluster Headache

A complete list of the supplements I personally use for the Vitamin D3 Anti-Inflammatory Regimen, with links to where I buy them.

Craig's Perspective

Vitamin D3 vs. Monoclonal Antibodies: A Cluster Headache Patient's Perspective

A detailed comparison of vitamin D3 and monoclonal antibodies for cluster headache, covering affordability, accessibility, safety and efficacy.

The Vitamin D Regimen

How to Stop a Cluster Headache Cycle: Exploring Traditional and Natural Approaches

An overview of both traditional medical treatments and natural approaches for breaking a cluster headache cycle, including the vitamin D3 regimen.

The Vitamin D Regimen

Are Cluster Headaches Life-Threatening?

Cluster headaches carry serious risks beyond the pain itself. This article examines the mental health, medication and safety risks that make them potentially life-threatening.

The Vitamin D Regimen

The Full Monty Supplements: An Antihistamine Protocol for Cluster Headache

The Full Monty supplement protocol includes antihistamines alongside the core vitamin D3 regimen. Here is a complete list of what is included and where to find it.

Stay Updated on Latest News and Research