Tag: Lack of energy

According to the World Health Organization, iron deficiency is the most common nutritional deficiency worldwide, and it is a leading cause of fatigue. This debilitating and persistent tiredness often prompts the question: what vitamin deficiency can cause lack of energy?

According to a 2025 fact sheet from the World Health Organization, anaemia, a common cause of fatigue often linked to nutritional deficiencies, affects over 539 million women worldwide. Understanding the specific vitamins and minerals involved in energy production can be a powerful first step in addressing persistent tiredness and reclaiming your vitality.

According to the Cleveland Clinic, anemia and other vitamin deficiencies like B12 and D are often responsible for fatigue. If you're wondering what nutrient deficiency causes lack of energy, it is important to know that several key vitamins and minerals are directly linked to your body's energy production and vitality.