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Seafood — See the category page
Seafood
Early researchCod
In a 2007 trial, cod protein improved insulin sensitivity compared with other animal proteins, measured by the gold-standard method. But it held 19 people, and a 2020 follow-up using a cod protein supplement moved nothing at all — not glucose, insulin, lipids or body composition.
Seafood
Moderate evidenceOctopus
100 g holds 82 kcal, 14.9 g of protein and only 1.04 g of fat, with 20.0 µg of vitamin B12 (833% of the requirement), 44.8 µg of selenium and 5.3 mg of iron. The old warning about cholesterol does not survive contact with the randomised evidence on dietary cholesterol.
