When it comes to exquisite delicacies, caviar—red or black—comes to mind first. These products are traditionally perceived as symbols of abundance and festive tables. But if we look at caviar from a biochemical perspective, the question arises: which one is healthier? Biochemist Anna Divinskaya answers this question.
“Both types of caviar are a concentrate of nutrients that nature has 'packed' for future life. Each egg contains a complete set of amino acids, fat-soluble vitamins, trace elements, and valuable omega-3 fatty acids,” said the expert.
According to Divinskaya, caviar contains about 25-30% protein, which is easily digestible and has an ideal amino acid profile. This makes caviar particularly beneficial for our immune system and hormone synthesis. On average, the fat content in caviar is 10-15%, with most of it being polyunsaturated fatty acids, including omega-3. They protect blood vessels, improve brain function, and reduce inflammation. Caviar is also rich in vitamins A, D, E, and B group. Vitamin D in caviar is in its natural form, which is especially valuable for residents of northern latitudes. Phosphorus, iodine, calcium, iron, and magnesium make caviar a powerful source of trace elements necessary for bones, blood, and the endocrine system.
Red caviar comes from salmon species (pink salmon, chum salmon, king salmon, red salmon). It contains more protein compared to black caviar. It has a lower calorie content (about 250 kcal compared to 280-300 for black caviar). It is rich in astaxanthin—a powerful antioxidant that gives caviar its characteristic orange-red color. Astaxanthin helps reduce oxidative stress and protects cells from aging.
Among the downsides, one can note the lower omega-3 content compared to black caviar. Depending on the salting method, it may contain more salt.
“Red caviar is especially good for people with an active lifestyle: it has a lot of protein and antioxidants with moderate fat content,” the specialist noted.
Black caviar is produced from sturgeon species—beluga, sturgeon, sevruga, and sterlet. It contains the highest concentration of omega-3 fatty acids, which have a pronounced cardioprotective effect. It has more vitamins A and D, making it more valuable for immunity, vision, and bone health. It contains more phospholipids, which are important for the nervous system.
Cons:
- Higher in calories.
- May be harder to digest for people with lipid metabolism disorders.
“Black caviar is suitable for those who care about vascular health, cognitive functions, and want to strengthen their immunity in adulthood,” added the biochemist.
The main problem with caviar is not the caviar itself, but the salt. Traditionally, the product is prepared with a high sodium content, which may be undesirable in cases of hypertension, tendency to edema, or kidney diseases. The optimal portion of caviar is 1-2 teaspoons several times a week. In such an amount, caviar will bring benefits rather than harm, emphasized Anna.
“In fact, it is incorrect to oppose red and black caviar: each has its own biochemical advantages. If you need a source of protein and antioxidants with moderate calorie content, choose red. If omega-3 and vitamin D are more important, black caviar will have more arguments on its side. The ideal option is not to choose 'either-or,' but to use them as complementary products, allowing the body to get the maximum benefit from the riches of the sea,” concluded Divinskaya.
