What it does: It supports the conversion of carbohydrates, fats, and proteins into energy, helps maintain healthy nerve function, and contributes to building and repairing the skin barrier and DNA.
How it is used: Niacinamide is commonly taken to support healthy skin, promote energy metabolism, aid in nervous system wellness, and may also be applied topically for skin improvement.
Natural sources and supplement forms: Naturally found in foods such as poultry, fish, eggs, nuts, seeds, and whole grains; in supplements, it appears as capsules, tablets, powders, and topical skincare products.
Why it appears in supplement formulas: Supplement brands choose niacinamide for its key roles in energy production, nervous system support, and skin barrier health, with the advantage of avoiding the flushing effect seen with niacin.
What to know before use: Niacinamide is generally well tolerated, but high doses may cause mild digestive discomfort; seek medical advice for sustained, high-dose use or if you have preexisting liver issues.
Niacinamide: A Versatile Form of Vitamin B3 Found in Everyday Foods
Niacinamide is a form of vitamin B3 that your body can make from tryptophan, an amino acid found in foods like turkey and eggs. Unlike some B vitamins, niacinamide is gentle on the stomach and does not cause the flushing effect often linked to other forms of vitamin B3, making it a popular choice in supplements.
