Large swings in mood, including sudden irritability or sadness, may be linked to low vitamin D levels. This vitamin plays a role in mood balance through its effect on brain hormones. Dr. Eric Berg, DC, not MD; information only

Vitamin D is the king of inflammation as well: - Suppresses the NF-κB pathway — This is the body’s main “inflammation switch.” - Blocks pro-inflammatory signals — Vitamin D tells immune cells to produce fewer inflammatory molecules (like TNF-alpha and IL-6 - Promotes anti-inflammatory immune cells — It shifts immune activity toward regulatory T-cells, which act like peacekeepers that calm overactive immune responses rather than amplifying them.