The present disclosure relates to nutritional composition(s) comprising a carbohydrate source, a protein source, a fat source and magnesium threonate. Magnesium threonate may provide neurological health benefits when consumed. The disclosure further relates to methods of promoting neurological health by providing a nutritional composition comprising magnesium threonate. Additionally, the disclosure relates to methods of promoting GI tolerance in a pediatric subject by providing a nutritional composition comprising magnesium threonate.