(名詞) 隱形的健康 － 食品業者自行將其食譜或食品變得比較有益健康 (通常是降低鈉或脂肪成分或含量)，但並未向消費者廣告這項改變的作法。
Together, the two came up with Bloomfield Hills-based Vita Perk, a powdered coffee supplement with 15 vitamins and minerals packaged in a thin, single-serving pouch. As Kifferstein said: “While people may often forget to take a vitamin, or even dislike swallowing one, they never forget their morning coffee.” “Stealth health” is a growing trend in the food industry, according to Darren Tristan, executive vice president of Technomic, a Chicago-based food research and consulting firm.
—Laura Cassar, “Drink to health: Vita Perk brews up ‘smart coffee’ business,” Crain’s Detroit Business, May 17, 2015
And once a reformulated food passes the test, companies often avoid saying anything on the label or in advertisements about the nutritional improvements — especially when it comes to salt. Most people don’t think they need to cut back on sodium. Better to say nothing. It’s known in the trade as “stealth health.”
—Corby Kummer, “Pie In the Sky,” The New York Times, October 5, 2016