What Are Omega-3 Fatty Acids?
Omega-3 fatty acids are polyunsaturated fatty acids that the body cannot synthesize in sufficient amounts on its own. For this reason, they are classified as essential fatty acids (EFAs) and must be obtained through diet or dietary supplements.
A characteristic feature of their chemical structure is that the first double bond is located at the third carbon atom from the methyl end of the fatty acid chain — hence the name “omega-3.” This distinguishes them from other families of unsaturated fatty acids, such as omega-6 and omega-9.
A sufficient intake of omega-3 fatty acids affects the fluidity and permeability of cell membranes, which is crucial for proper cellular nutrition and the smooth functioning of metabolic processes. This, in turn, supports the normal functioning of the body at both the cellular and organ-system levels.
The most important omega-3 fractions include ALA, EPA, and DHA — each of which plays a distinct yet complementary role in the body. Omega-3 fatty acids play a crucial role in the proper functioning of the nervous system, supporting processes related to attention, concentration, and mood regulation.
For this reason, numerous scientific studies investigate the relationship between omega-3 fatty acid intake and nervous system function, including in the context of conditions such as ADHD and depression. However, it is important to remember that dietary supplements are not medicines and are not intended to treat diseases.
Omega-3 fatty acids can also be part of a balanced lifestyle, supporting people who care about healthy nutrition and maintaining a healthy body weight.
Regular consumption of omega-3 fatty acids contributes to the proper functioning of the heart and circulatory system. Adequate intake helps maintain healthy triglyceride levels and beneficial HDL cholesterol levels, while also supporting the body’s natural regulatory processes.
Adequate intake of omega-3 fatty acids is particularly important during pregnancy. DHA plays a crucial role in the proper functioning of the nervous system and contributes to the normal development of vision in the fetus and in breastfed infants. Ensuring the quality and quantity of omega-3 fatty acids in the expectant mother’s diet supports the child’s proper development.
Interestingly, the scientific literature also examines the relationship between omega-3 fatty acid intake during pregnancy and the subsequent functioning of the child’s immune system, including in the context of allergic diseases such as asthma and allergies. However, these issues remain the subject of ongoing scientific research.
THREE MAIN OMEGA-3 FRACTIONS
- Docosahexaenoic acid (DHA) – a key component for brain function and vision.
- Eicosapentaenoic acid (EPA) – supports heart function.
- Alpha-linolenic acid (ALA) – the plant-derived precursor of omega-3.
DHA (docosahexaenoic acid) is one of the most important fractions of omega-3 fatty acids. It plays a crucial role in the proper functioning of the body at various stages of life. DHA contributes to the maintenance of normal brain function and normal vision.
DHA is especially important for:
- the proper development of the brain and nervous system in the fetus and infant,
- the proper development and function of vision,
- supporting cognitive functions such as memory and concentration in people of all ages.
Worth knowing:
DHA is a key component of neuronal and retinal cell membranes. It is estimated that approximately 20% of the lipids present in brain and nervous system tissues are omega-3 fatty acids, with DHA being the dominant fraction. Such a high proportion of DHA in the nervous system explains its importance for the proper functioning of the brain and eyes.
Most dietary supplements contain omega-3 fatty acids in balanced proportions of EPA and DHA. However, supplements with a higher DHA content also exist, such as Biolit Omega-3 based on tuna oil. These products are chosen by those who prioritize raw material quality and a high DHA content in the daily serving.
DHA and EPA During Pregnancy and Breastfeeding
According to current recommendations from the European Food Safety Authority (EFSA), pregnant and breastfeeding women should ensure an adequate intake of DHA from the diet. DHA supplementation is particularly important for breastfeeding women to support the health of both mother and child during this period. According to the Polish Society of Gynecologists and Obstetricians, the optimal intake of DHA during pregnancy is approximately 600 mg per day, due to the intensive development of the child’s nervous system and vision.
During pregnancy, especially in the third trimester, the need for omega-3 fatty acids increases. This is a period of intensive development of the child’s nervous system and vision, which is why the presence of DHA and EPA in the expectant mother’s diet plays a key role in supporting the child’s proper development. Adequate DHA intake during breastfeeding also enables its natural transfer to the newborn and infant through breast milk. It is worth emphasizing that choosing high-quality DHA supplements is particularly important for breastfeeding women in order to provide optimal support for maternal health and the proper development of the infant’s brain and eyes. Adequate omega-3 fatty acid intake after childbirth is also an element that supports the proper functioning of the female body during periods of increased stress.
DHA in Children
DHA plays an important role in the proper development of the brain and vision in young children. When supplementing DHA in children, it is important to follow age-appropriate dosage recommendations and choose products specifically formulated for children.
Sources of Omega-3 Fatty Acids in the Diet
- marine fish (especially oily marine fish, including tuna),
- marine algae.
Omega-3 Fats in the Diet
The foundation of conscious supplementation should be a balanced diet. The most valuable natural sources of long-chain omega-3 fatty acids, which are unsaturated fatty acids, include oily marine fish such as mackerel, salmon, herring, and tuna, as well as other fish rich in EPA and DHA and seafood. Omega-3 fatty acids should be regularly obtained from the diet, especially through the consumption of oily fish and seafood. To ensure an adequate intake of omega-3, it is recommended to eat oily fish at least once or twice a week (at least two servings per week).
It is worth emphasizing that the conversion of ALA into EPA and DHA in the body is limited, which is why direct sources of EPA and DHA are preferred. Flaxseed oil, flaxseeds, and walnuts are plant sources of omega-3 fatty acids in the form of ALA.
Regular omega-3 supplementation may be beneficial for people who do not consume enough fish. Omega-3 fatty acids have a beneficial effect on heart, brain, and vision health. Omega-3 supplements are best taken with a meal to improve absorption.
Oily marine fish – EPA + DHA content (per 100 g of product):
- Atlantic mackerel: approximately 2500–3000 mg
- Wild salmon: approximately 1500–2000 mg
- Herring: approximately 1500–1800 mg
- Tuna: one of the richest natural sources of DHA (docosahexaenoic acid)
Regular consumption of marine fish provides the body with biologically active forms of omega-3 fatty acids. In practice, however, many people consume them too infrequently, which is why supplementing the diet with omega-3 fatty acids is an important element of everyday nutrition.
When it comes to dietary supplements, the quality of the oil used, its freshness, and the purification method are of crucial importance. High-quality fish oil should be obtained in accordance with current safety standards and subjected to purification processes that remove undesirable impurities.
When choosing omega-3 supplements, it is worth paying attention to whether the products have been tested for environmental toxins such as heavy metals or polychlorinated biphenyls (PCBs). Only properly purified and controlled raw material allows omega-3 fatty acid supplementation to be used safely and consciously.
TOTOX INDEX – THE KEY TO ASSESSING OMEGA-3 QUALITY
If there is one key parameter worth remembering when choosing an omega-3 supplement, it is TOTOX (total oxidation value). It determines the degree of oil oxidation and therefore its freshness, stability, and quality. The higher the TOTOX value, the more advanced the fat oxidation processes in the oil.
Oxidation results in the formation of undesirable lipid breakdown products that reduce the quality and safety of the supplement. Oils with a high TOTOX index lose their original properties, become less stable, and do not meet the standards of high-quality supplements. Therefore, fatty acid profile analysis and laboratory determination of TOTOX are crucial for evaluating the quality and suitability of omega-3 supplements.
In the premium supplement segment, TOTOX values below 10–15 are considered desirable. Such low values indicate oil freshness, high-quality raw material, and proper control of production and storage processes. Higher TOTOX values indicate progressing lipid oxidation, which is undesirable from the standpoint of supplement quality.
To maintain a low TOTOX index throughout the product’s shelf life, manufacturers of high-quality dietary supplements use solutions such as:
- Dark pharmaceutical glass, which limits access to light and UV radiation that accelerate fat oxidation.
- Enhanced antioxidant protection – in addition to natural tocopherols (vitamin E), premium brands such as Biolit Europe enrich the formula with rosemary leaf extract, which effectively slows oxidation processes and helps maintain oil freshness even after opening the package.
According to recommendations from the European Food Safety Authority (EFSA), the maximum acceptable TOTOX value for fish oil is 26. Oils with values below this limit are considered safe for consumption, but significantly lower values indicate higher product quality.
Omega-3 in Liquid Form or Capsules? (Bioavailability, Convenience, Cost-Effectiveness)
Choosing between liquid and capsule forms is one of the first decisions when purchasing an omega-3 supplement. The liquid form is becoming increasingly popular — and not without reason.
Bioavailability and the Role of the MCT Carrier
Omega-3 fatty acids in liquid form are emulsified in the digestive tract almost immediately after intake. In capsules, this process may be delayed due to the need for the gelatin shell to dissolve.
Scientific literature, including comparative analyses and meta-analyses, indicates a potentially higher bioavailability of omega-3 fatty acids in liquid form, which in some studies is estimated to be approximately 15–25% higher compared with capsules. These differences are mainly due to faster emulsification and easier access of digestive enzymes to the fat.
In modern liquid omega-3 supplements, coconut MCT oil is increasingly used as a carrier. Medium-chain triglycerides (MCTs) are easily absorbed and metabolized, which promotes fatty acid absorption. In addition, MCTs provide a rapid source of energy and are characterized by good tolerability. Such technological solutions are used, among others, in omega-3 supplements from Biolit Europe, where the liquid form and carefully selected carrier are important elements of the product’s high quality.
Convenience and Cost-Effectiveness of Supplement Use
For those who value convenience and flexibility in dosing, liquid supplements may be a more practical option than capsules. This is especially important for people who require larger amounts of EPA and DHA, because the liquid form makes it possible to avoid taking multiple capsules per day. From the perspective of long-term use, liquid supplements are often more cost-effective, especially products with a high concentration of omega-3 fatty acids per serving.
HOW SHOULD OMEGA-3 FATTY ACIDS BE DOSED?
Daily omega-3 intake may vary depending on diet, lifestyle, and individual needs. The concentration of EPA and DHA in a given product is also important — in the case of high-concentration supplements, such as liquid omega-3 from Biolit Europe, a smaller dose is sufficient to compensate for nutritional deficiencies in the diet.
Approximate EPA and DHA intake ranges
- General prevention / dietary supplementation: approximately 250–500 mg of EPA + DHA per day – the amount most often indicated in dietary recommendations for adults who occasionally consume oily marine fish.
- For people with increased needs: higher doses of EPA and DHA are often recommended in dietetics, adjusted to individual needs, for example for people who consume very little fish or prefer concentrated supplements. In such cases, the serving size should be adjusted consciously, preferably after consulting a specialist.
- Pregnant and breastfeeding women: according to the recommendations of the Polish Society of Gynecologists and Obstetricians, the optimal DHA intake during pregnancy is approximately 600 mg per day, especially in the second half of pregnancy, when the child’s nervous system and eyes are developing rapidly. During this period, both regular intake and the quality of the DHA source are especially important.
High Concentration and Ease of Use
One important aspect of supplementation is the volume of the serving required to obtain a certain amount of EPA and DHA, which depends largely on the concentration of omega-3 fatty acids in the product.
For comparison:
- High-concentration liquid supplement (for example, Omega-3 from Biolit Europe): one teaspoon (approximately 5 ml) contains about 2000–2500 mg of EPA + DHA in one serving.
- Standard omega-3 capsules (300–500 mg of EPA + DHA per capsule): to achieve a comparable amount of EPA and DHA, it may be necessary to take 4 to 7 capsules per day.
This comparison clearly demonstrates the differences in convenience of use, serving size, and cost-effectiveness of supplements, especially when choosing products with a high concentration of omega-3 fatty acids per serving.
The above values refer to the content of EPA and DHA in part of the product and are intended solely for comparing different supplement forms.
Important information
When considering increased intake of EPA and DHA, consultation with a physician or dietitian is advisable, especially for pregnant women, people taking medications, or individuals with chronic diseases.
WHAT MAKES BIOLIT OMEGA-3 UNIQUE?
Among the solutions available on the market, Biolit Omega-3 DHA 2200 stands out as a highly concentrated dietary supplement developed for people who want to purposefully compensate for omega-3 fatty acid deficiencies in their diet, especially in areas where a high DHA content is desirable. This product may be used as part of a diet supporting the proper functioning of the nervous system and eyes, as well as a supplement to the daily diet of people concerned about heart function and the body’s overall balance.
What distinguishes this solution:
- Very high concentration of DHA and EPA: Biolit Omega-3 DHA 2200 contains approximately 2265 mg of DHA and 577 mg of EPA per teaspoon (5 ml). The high DHA content makes the product particularly valuable within a diet aimed at supporting nervous system structures that are physiologically characterized by a high DHA content, as well as normal visual function. At the same time, the presence of EPA complements the omega-3 fatty acid profile, meeting the needs of people who care about the proper functioning of the cardiovascular system.
- Synergy with MCT oil: the use of coconut-derived MCT oil as a carrier serves an important technological and physiological function. Medium-chain fatty acids are characterized by rapid absorption and efficient metabolism, facilitating the use and transport of fatty acids throughout the body. As a result, the presence of MCT supports effective omega-3 fatty acid absorption and their subsequent utilization in metabolic processes. This solution also enhances convenience of supplementation, especially in the case of products with a high concentration of DHA and EPA taken in small volumes.
- Natural form, freshness, and neutral taste: the oil is derived from tuna and is present in the form of natural triglycerides (TG), i.e., in its original form. Dual antioxidant protection — natural tocopherols (vitamin E) and rosemary leaf extract — supports oil freshness and omega-3 fatty acid stability, which is important for regular use.
- High standards of quality and safety: the product is manufactured in accordance with GMP standards and contains no GMOs, gluten, or heavy metals. Each batch undergoes fatty acid profile analysis and quality control confirming the safety and uniformity of the composition. The dietary supplement complies with European food quality and safety standards and may be used by adults and children aged 3 years and older.
SUMMARY
Omega-3 fatty acids are an important element of a balanced diet and a healthy lifestyle. Their regular intake helps complement the daily diet with nutrients necessary for the proper functioning of the body. When choosing an omega-3 supplement, special attention should be paid to the quality of the raw material, the form of administration, and the stability of the product.
Biolit Omega-3 DHA 2200 is a dietary supplement that combines a very high DHA content from tuna oil, a modern MCT oil carrier, and improved oxidation protection thanks to the use of natural tocopherols and rosemary leaf extract. The liquid form and dark-glass packaging help preserve oil freshness and make daily use convenient.
This is a solution for people who want to supplement their diet with omega-3 fatty acids consciously and conveniently, choosing products with high concentration, transparent composition, and confirmed quality.