Phoenix 24
Small fish deliver major benefits in every serving.
CLEVELAND, UNITED STATES — July 2026. Sardines concentrate protein, healthy fats, vitamins and minerals in a relatively small serving. A 106-gram can provides approximately 22.6 grams of protein, 351 milligrams of calcium, 451 milligrams of phosphorus, 8.2 micrograms of vitamin B12 and 4.4 micrograms of vitamin D. Their nutritional profile may vary depending on whether they are preserved in water, oil, brine or sauce.
Their omega-3 fatty acids support cardiovascular health by helping reduce triglycerides and inflammation in blood-vessel walls. Sardines also generally contain less mercury than larger predatory fish such as tuna and swordfish because they occupy a lower position in the marine food chain. Their protein contributes to muscle maintenance, tissue repair and recovery after physical activity.
Omega-3 consumption has also been associated with cognitive health, while vitamin B12 supports neurological function and participates in processes related to mood regulation. Sardines provide a substantial amount of this essential vitamin in a single serving. However, their consumption should form part of a varied diet rather than being considered a guaranteed method of preventing dementia, depression or other neurological conditions.
The soft, edible bones inside canned sardines provide calcium and phosphorus, while vitamin D helps the body absorb and use calcium effectively. These nutrients work together to maintain bone strength and may contribute to reducing the risk of osteoporosis when combined with adequate nutrition and physical activity. Eating the entire sardine, including its softened bones, provides the greatest skeletal benefit.
Sardines are also an accessible and versatile food that can be included in salads, sandwiches, pasta dishes or served with vegetables and whole-grain products. Their combination of protein and healthy fats can promote satiety and help maintain a balanced diet. Choosing products packed in water or olive oil may offer a healthier alternative to varieties containing highly processed sauces.
Moderation remains important because some canned varieties contain substantial amounts of sodium. People with hypertension should compare nutrition labels and select lower-sodium options whenever possible. Those with gout or diets restricted in purines may need to limit their intake because purines are converted into uric acid.
Anyone with a fish allergy should avoid sardines completely. Consumers should also purchase products from reliable manufacturers, check expiration dates and ensure that cans are not swollen, leaking or severely damaged. Individual medical conditions should always be considered before making significant dietary changes.
Small in size, sardines carry an exceptional nutritional impact.