Vitamin D isn’t just a vitamin—it’s a powerhouse hormone that plays a HUGE role in keeping your immune system balanced. 🛡️ When vitamin D levels are too low, your immune system can go haywire, sometimes attacking your own body instead of protecting it. This can trigger or worsen autoimmune conditions like Hashimoto’s thyroiditis, rheumatoid arthritis, lupus, or multiple sclerosis. 🌿 Why does this happen? Vitamin D helps regulate immune cells, keeping them from becoming overactive and inflammat