Abstract: Disclosed are nutrient compositions formulated to provide enhanced bioavailability when administered by or taken by a subject. A nutrient composition includes one or more nutrients such as vitamins, minerals, micronutrients, amino acids, peptides, proteins, enzymes, plant extracts, botanicals, and/or herbal ingredients. At least a portion of the nutrients is comprised of one or more micronized nutrients having an average particle size of about 1 ?m to about 100 ?m. At least a portion of the mineral component is comprised of one or more chelated minerals. The composition also includes an absorption-promoting probiotic.