A recent meta-analysis of nearly 400,000 medical records from healthy Americans over 20 years found that daily multivitamin use did not prevent death from cancer, heart disease, and stroke. The study, which only looked at the risk of death as the primary outcome, raises questions about the benefits of multivitamins for overall health.
For the majority of adults, a healthy and balanced diet that includes fruits, vegetables, proteins, healthy fats, and grains usually provides all the necessary vitamins and minerals for proper bodily function. However, specific groups of people may benefit from regularly taking multivitamins.
Individuals with nutritional deficiencies, such as low levels of vitamin D leading to conditions like rickets, or vitamin C deficiency causing scurvy, may benefit from multivitamin supplementation. The elderly, whose nutritional needs change as they age, may also benefit from taking multivitamins to prevent conditions like osteoporosis.
Individuals with medical conditions that affect nutrient absorption, such as Crohn's disease or celiac disease, as well as those with dietary restrictions like vegetarians, may not be getting all the essential nutrients they need from their diets and could benefit from multivitamin supplementation.
Pregnant women also have increased nutrient demands, making prenatal multivitamins recommended to support both the mother and baby's health. However, it's important to note that taking too many multivitamins can lead to vitamin overdose and potential health risks.
Ultimately, while multivitamins may not be necessary for everyone, certain groups of people may benefit from taking them. It is important to consult with a healthcare provider before starting any dietary supplements to ensure personalized recommendations based on individual needs.