Shrimp is not a high-iron food. A 3.5-ounce (100-gram) serving of cooked shrimp contains about 0.5 milligrams of iron, which is a small fraction of the 8 to 18 milligrams most adults need daily. It contributes some iron to your diet, but calling it “high in iron” would be misleading compared to foods like red meat, oysters, or fortified cereals.
How Much Iron Is in a Serving of Shrimp
The FDA lists a standard 3-ounce serving of cooked shrimp at 10% of the Daily Value for iron. That’s based on the reference Daily Value of 18 mg, so it works out to roughly 1.8 mg per 3-ounce serving. Cleveland Clinic data puts a slightly larger 3.5-ounce serving at about 0.51 mg. The discrepancy likely reflects differences between shrimp species and preparation methods, but either way, shrimp lands in the low-to-moderate range for iron content.
For context, adult men and women over 51 need 8 mg of iron per day. Women between 19 and 50 need 18 mg, and pregnant women need 27 mg. A single serving of shrimp won’t move the needle much on its own, especially for people with higher requirements.
How Shrimp Compares to Other Proteins
Beef is the most common comparison point, and it wins easily. A 3-ounce serving of cooked beef shank delivers about 3.3 mg of iron. Top round steak provides around 2.8 mg, and even chuck short ribs come in at 2.7 mg. That’s roughly two to six times more iron than the same amount of shrimp, depending on which numbers you use.
Dark chicken meat falls in between, with about 2.1 mg per cup of cooked meat. Light chicken meat is closer to shrimp’s range: a raw chicken breast unit contains only 0.64 mg. So shrimp and chicken breast are roughly comparable as iron sources, and both trail well behind red meat.
The Type of Iron in Shrimp Matters
Iron from animal sources comes in two forms: heme iron, which your body absorbs efficiently, and non-heme iron, which is harder to absorb. Research analyzing iron in fish, shrimp, and prawns found that heme iron can represent anywhere from 18% to 93% of total iron, depending on the species. That’s a huge range. In general, the proportion of heme iron tends to decrease as the total iron content of the seafood increases.
What this means practically is that while shrimp doesn’t contain a lot of iron overall, the portion that is heme iron gets absorbed more readily than the non-heme iron found in plant foods like spinach or lentils. Your body typically absorbs 15% to 35% of heme iron versus just 2% to 20% of non-heme iron, so the quality of iron in shrimp is better than the quantity might suggest.
Iron Content Varies by Species
Not all shrimp are the same. Research measuring iron across 25 species of fish, shrimp, and prawns found total iron concentrations ranging from 0.55 to 14.43 mg per 100 grams of fresh weight. That’s an enormous spread. Most common grocery store shrimp falls toward the lower end of that range, but the species you buy, where it was raised, and how it was processed all play a role in the final iron content.
Getting More Iron From a Shrimp Meal
If you’re eating shrimp partly for its iron, pairing it with vitamin C-rich foods helps your body absorb more of the non-heme portion. Vitamin C enhances iron absorption when consumed at the same meal, so squeezing lemon over shrimp or serving it alongside bell peppers, tomatoes, or broccoli is a simple and effective strategy. The heme iron in shrimp also helps your body absorb non-heme iron from other foods on the plate, so combining shrimp with iron-rich plant foods like beans or dark leafy greens gives you a compounding benefit.
Where Shrimp Fits in an Iron-Conscious Diet
Shrimp is better thought of as a supporting player than a star when it comes to iron. It provides a modest amount in a highly absorbable form, it’s low in mercury (the FDA categorizes it as a “Best Choice” for seafood safety), and it delivers other nutrients that support healthy blood cells, including vitamin B12 and copper. But if your goal is to boost iron intake meaningfully, red meat, shellfish like oysters and clams, or fortified foods will get you there faster.
For people who eat shrimp regularly as part of a varied diet, the iron adds up alongside other sources. For someone trying to correct a deficiency, shrimp alone won’t be enough to close the gap.