A drink includes an edible liquid or semisolid preparation and transfer factor. The drink may also include lactoferrin and one or more preservatives. An edible preparation includes a fruit component and transfer factor. The fruit component may include at least one oligoproanthocyanidin-containing fruit. The edible preparation may also include lactoferrin. One or more preservatives may also be included in the edible preparation. The drink or the edible preparation may be sterilized or pasteurized.一種包含可食性液狀或半固狀製備物與轉移因子之飲品。該飲品也可包含乳鐵蛋白及一或多種防腐劑。可食性製備物包含水果成分與轉移因子。該水果成分可包含至少一種含有寡原花青素之水果。該可食性製備物也可包含乳鐵蛋白。一或多種防腐劑也可被包含於該可食性製備物中。此飲品或可食性製備物可經滅菌或巴氏殺菌處理。