A viral diet and warm oceans emptied the canned sardine shelf
A 3-day sardine-only diet went viral while Moroccan catches fell by half, so canned sardines are missing from shelves.
Canned sardines are hard to find in American supermarkets because of a fad diet.
Corner of Fifth reports that the diet consists of tinned fish and water, black coffee, or plain tea. It spread on TikTok and YouTube and through keto communities, and Dr. Annette Bosw…



