👉 Hypovitaminosis, also known as vitamin B12 deficiency or folate deficiency, is a condition in which there is too little of the essential nutrient needed for normal functioning of various body systems. It can lead to symptoms such as fatigue, weakness, and anemia. In people with this condition, the body cannot produce enough of the necessary vitamin B12, which is crucial for proper nerve function, blood clotting, and DNA synthesis. Symptoms may include fatigue, weakness, hair