Or husky liver ...
From Nutritional Needs in Cold and High-Altitude Environments: Applications for Military Personnel in Field Operations (1996),Institute of Medicine:
"Of the fat-soluble vitamins, vitamin A has caused the most problems for polar explorers. Shearman (1978) presented a graphic description of vitamin A toxicity experienced by members of the three-man, 1912?1913 Mawson Australian Antarctic expedition, in which two men died, with only Sir Douglas Mawson surviving. Early in the expedition, Lt. Ninnis and one of the sleds loaded with most of the food fell into a crevasse and disappeared. Over the next 23 days, Xavier Mertz and Mawson were forced to reduce their daily food intake from the normal 34 oz (971 g) to 14 oz (400 g), much of which was dog meat that became available as each dog died (Mawson, 1915). As Mawson reported in his journal, ''It was a happy relief when the liver appeared; even if little else could be said for its flavor, it was easily chewed and demolished" (Shearman, 1978 quoting Mawson, 1915, p. 284).
Over a 9 day period, Mertz's health rapidly deteriorated, culminating in his death, with intervening severe bouts of dysentery, fecal incontinence, depression, delirium, peeling skin, and loss of hair?all symptoms characteristic of acute vitamin A toxicity. Shearman (1978) estimated that as little as 100 g of husky dog liver could contain upwards of 1,000,000 international units (IU) (300,000 ?g retinol equivalents [RE]) of vitamin A, which was sufficient to cause the toxic symptoms experienced by Mertz."
On the other hand, I love liver. I still remember a duck liver appetizer that I had at the Copley Plaza Hotel in the late 1980s. Seared crunchy caramelized crust on the outside, buttery melt in your mouth (not in your hand) inside on the inside.