Vitamin B isn't a single nutrient—it's the collective term for a group of eight essential vitamins known as the B-complex.
These vitamins are crucial for cell metabolism, nerve function, and converting food into energy. As water-soluble essentials, your body can't produce them, so they must come from your diet. Here's a breakdown of the B vitamins and their key food sources.
All B vitamins dissolve in water, meaning your body doesn't store them well—what you don't use is excreted in urine. Vitamin B12 is the exception, stored in the liver and muscles.
You don't need every B vitamin daily. A varied diet with at least three B-rich foods—like whole-grain bread, milk, spinach, yogurt, salmon, or broccoli—covers your needs. Your body can manage short gaps, but prolonged poor eating raises deficiency risks.
Even a few days of snacking won't cause issues, but weeks of unbalanced diet, heavy alcohol use, certain medications, or absorption problems can lead to shortages.
Read also: This is how you recognize a vitamin B deficiency
