* patients with rare and specific viral diseases such as hiv * patients undergoing chemotherapy during the last 2 months * any other condition/pathology diagnosed by the medical specialist that prevents them from participating in the trial * intake of vitamin complexes or functional foods

* patients with rare and specific viral diseases such as hiv * patients undergoing chemotherapy during the last 2 months * any other condition/pathology diagnosed by the medical specialist that prevents them from participating in the trial * intake of vitamin complexes or functional foods

- patients with rare and specific viral diseases such as hiv - patients undergoing chemotherapy during the last 2 months - any other condition/pathology diagnosed by the medical specialist that prevents them from participating in the trial - intake of vitamin complexes or functional foods

- patients with rare and specific viral diseases such as hiv - patients undergoing chemotherapy during the last 2 months - any other condition/pathology diagnosed by the medical specialist that prevents them from participating in the trial - intake of vitamin complexes or functional foods