Vitamin B9 is a water-soluble B vitamin that handles DNA synthesis, cell division, and red blood cell formation. These jobs make it critical during rapid growth, especially pregnancy and fetal development.
People reach for folate to support normal growth and keep homocysteine levels in a healthy range. The body also uses it to build neurotransmitters, which is why many take it to support energy and steady mood.
You will find it in daily multivitamins or by itself, usually with a meal to boost absorption. It comes in two main forms: folic acid, the synthetic version, and methylfolate, the active form. Some people handle methylfolate more easily.
Watch for this caution: big doses of folic acid can hide a vitamin B12 deficiency. If you carry certain MTHFR gene variants, your body may struggle to convert folic acid properly, so methylfolate is the better pick.