Littorina littorea. They are a species of small edible whelk or sea snail that has gills and an operculum.
Periwinkles are found in many parts of the world. However, they are considered a
delicacy in most African and Asian cuisines. In Nigeria, it is known as Nigerian periwinkle. It is used in several delicacies like Edikang Ikong and Afang soup in Nigeria. This delicious seafood is sumptuous to behold. The meat of periwinkle is high in protein, rich in omega-3 fatty acids and very low in fat. According to the USDA National Nutrient Database for Standard Reference, raw snails, in general, are about 80% water, 15% protein, and 1.4% fat.
The health benefits of Nigerian periwinkle are based on the nutrients it contains.

•It contains Omega-3 fatty acids
Periwinkles contain a massive amount of Omega-3 fatty acids. Omega-3 fatty acids are a kind of polyunsaturated fat that is not produced by our body. Hence, Omega-3 is essential as the essential fatty acids. The amount of Omega-3 fatty acids in periwinkles even exceeds the daily requirement of an adult human.
The benefits of consuming omega-3 fatty acids are that it improves our brain health by encouraging the development of cell membranes in the nervous system. It also helps in improving your memory.......seemore
https://bibiorganics..com/2020/08/periwinkle-snail-amazing-health-benefits.html

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