Dietary supplements and multivitamins are a multibillion-dollar business, yet research indicates they have minimal impact on the health of those who are not low in nutrients or pregnant. In North America, the market for dietary supplements is estimated to be worth $52,874.7 million in 2021, with yearly expenditure predicted to expand by 5.6% through 2030. Multivitamin supplements may have poor bioavailability or the proportion of a particular micronutrient dosage that is absorbed into the circulation. Dr. Rachel Kopec, associate professor of human nutrition at The Ohio State University, said, “Once vitamin A is dissolved in the stomach, there is a danger of iron-oxidizing it.” Professor of nutrition and epidemiology at the Harvard T.H. Chan School of Public Health, Dr. Edward Giovannucci, states, “They may be utilized to fill in nutrient gaps if a person’s diet does not match all of their nutritional needs.”
Pairing fruits and vegetables with healthy fats and choosing plant-based oils may aid vitamin absorption. Scientists recommend that getting enough rest and avoiding ultra-processed meals are also crucial for maintaining health.