An enteral nutritional product for persons infected with human immunodeficiency virus contains a soy protein hydrolysate having a molecular weight partition, as determined by size exclusion chromatography, wherein 30-60% of the particles have a molecular weight in the range of 1500-5000 Daltons. The nutritional product also contains a source of intact protein. The nutritional product has a ratio, by weight, of n-6 to n-3 fatty acids of about 1.3:1 to 2.5:1. Enteral nutritional support of a person infected with human immunodeficiency virus may be provided by including this enteral nutritional product in the infected person's diet. Apoptosis of CD4 cells in a person infected with human immunodeficiency virus may be impeded by feeding the infected person this enteral nutritional product.