good-for-you bacteria
n. Bacteria that are beneficial to health.
Probiotics, or "good-for-you" bacteria, are being marketed as 'live cultures' in yogurt that function to ensure a healthy intestinal tract, increase calcium absorption and decrease cholesterol.
—Megan Davis, “Convenience, conviviality mark mealtime trends for future,” Milwaukee Journal Sentinel, January 02, 2000
1994 (earliest)
From the food R&D lab to your mailbox! Lactobaccilus acidophilus and other good-for-you bacteria have joined antioxidants as mainstream health products — at least according to one mail order catalog.
—“Bacteria for sale in beauty catalog,” Prepared Foods, May 01, 1994
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