modulation of nutrient release by host positive regulation of nutrient release by host promotion of nutrient release from host biological_process GO:0052092 stimulation by symbiont of nutrient release from host up-regulation by symbiont of nutrient release from host positive regulation by symbiont of nutrient release from host activation by symbiont of nutrient release from host upregulation by symbiont of nutrient release from host up regulation by symbiont of nutrient release from host Any process in which an organism activates, maintains or increases the frequency, rate or extent of the release of nutrients from its host organism. The host is defined as the larger of the organisms involved in a symbiotic interaction.