Romaine lettuce is also called cos lettuce and is a type of lettuce which happens to grow in a tall head of dark green leaves with firm ribs down their center.
Romaine lettuces are very tolerant of heat unlike most other lettuces and offer more nutritional value than an iceberg lettuce.
It is sold in most supermarkets and grocery stores around the world. In Patti ulat on North America, it is sold as whole heads or as hearts which have their outer leaves taken off.
Romaine is often used in cesar salad and in middle Eastern cuisine. It can be cooke for eaten raw and is available all year round.
So can cats eat romaine lettuce?
Lets take a look at their nutritional data and find out more. By looking at what they contain we can make a good assessment as to whether they actually make a good food for them to eat rather than relying on the word of others.
In particular, their carbohydrate, acidic, water, sugar, salt, calcium, phosphorous, and fat content is of most interest as far as cats are concerned
Nutritional value per 100 g (3.5 oz)
Energy 72 kJ (17 kcal)
Carbohydrates 3.3 g
Dietary fiber 2.1 g
Fat 0.3 g
Protein 1.2 g
Vitamins (%DV)† Qty
Vitamin A equiv. (36%) 290 μg
Folate (B9) (34%) 136 μg
Vitamin C (29%) 24 mg
Calcium (3%) 33 mg
Iron (7%) 0.97 mg
Phosphorus (4%) 30 mg
Potassium (5%) 247 mg
Water 95 g
As you can see romaine lettuce contains a huge amount of water, a small amount of carbohydrates, phosphorus and calcium, a lot of acidic content, and a hint of fat.
Can cats eat romaine lettuce?
This means that a leaf is fine for them but it’s not actually very good as a good for them. It is too high in water and acidic content for it to be a good food for them to eat on a regular basis and to eat a lot of.
If they were to eat a lot of it then they make get diarrhea because of the sheer amount of water that it contains. So do be careful how much they eat.
Lettuce is not really a food that cats would naturally eat as they are carnivores and are more partial to meat. But cats being the hungry and inquisitive creatures they are can be partial to the oddest of foods, including romaine lettuce.
It is a good idea to wash it thoroughly before you give it to them though just to get rid of any pesticides or chemicals on it.
For more foods that cats can and can’t eat check out our cat food list.
BBC Good food – https://www.bbcgoodfood.com/glossary/lettuce
Wikipedia – https://en.wikipedia.org/wiki/Romaine_lettuce