Vitamin D is produced when the skin is exposed to sunlight (ultraviolet rays).It is known as an essential vitamin for building a strong foundation.In recent years, it has attracted attention as a vitamin that helps ward off various health risks.As we age, the body's ability to synthesize vitamin D gradually declines.Generally, vitamin D can be broadly classified into vitamin D2 and vitamin D3, but DHC has created a convenient supplement containing the more active vitamin D3.Each daily serving contains 25μg of vitamin D3.It is recommended for people who spend most of their daytime indoors, avoid UV rays, or are concerned about aging.White blood cells are the main players in the immune system's fight against pathogens.Among them, lymphocytes play a central role in immune function.Vitamin D activates T cells and B cells, which are types of lymphocytes.T cells suppress the power of cytokines that transmit information in the immune system, while B cells promote immunoglo. Ingredient: Maltose (manufactured in Japan)/cellulose, sucrose fatty acid ester, fine silicon dioxide, vitamin D3