Polyunsaturated fatty acids (PUFAs) are essential nutrients subdivided into omega-3 and omega-6 fatty acids. Two specific PUFAs are classified as essential to human life: linoleic acid (an omega-6 fatty acid) and alpha-linolenic acid (an omega-3 fatty acid). All other polyunsaturated fatty acids can be synthesized in the body, but these two must come from diet or supplementation.
Functions of PUFAs
Polyunsaturated fatty acids serve three main functions in the body: they are a valuable source of energy, they form and maintain cell membranes, and they produce eicosanoids—highly active substances that regulate hormones, heart and circulation, energy, and inflammation. The three groups of eicosanoids are prostaglandins, thromboxanes, and leukotrienes.
Alpha-linolenic acid converts into five fatty acids, the most important of which are eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA)—both found in high levels in fish oils. Series 3 prostaglandins, produced from omega-3 fatty acids, are generally anti-inflammatory, while Series 2 prostaglandins from omega-6 tend to increase inflammation.
The Modern Omega-3 Deficit
Historically, traditional diets provided a ratio of 4:1 to 6:1 in favor of omega-6 fatty acids. Today, an average diet provides ratios of 20:1 or more in favor of omega-6—a major driver behind rising cardiovascular disease, inflammatory conditions, skin diseases, poor pregnancy outcomes, and hormone-related problems. The brain maintains a 1:1 ratio of omega-6 to omega-3, underlining how critical omega-3 balance is to brain health.
Key Health Benefits of Omega-3 (EPA & DHA)
Heart Health: Fish oil supplements containing EPA and DHA reduce LDL (“bad”) cholesterol and triglyceride levels. Clinical studies show that supplementation with 3 or more grams of fish oil daily significantly lowers blood pressure in people with hypertension. Eating at least 2 servings of fish per week can reduce the risk of stroke by as much as 50%.
Diabetes: Individuals with diabetes tend to have high triglycerides and low HDL levels. EPA and DHA from fish oil help lower triglycerides and raise HDL, benefiting blood sugar and cholesterol control.
Arthritis: Omega-3 supplements reduce tenderness in joints, decrease morning stiffness, and allow for a reduction in medications needed for people with rheumatoid arthritis and inflammatory bowel disease.
Osteoporosis: EPA helps increase calcium levels in the body, deposit calcium in bones, and improve bone strength. In a study of women over 65 with osteoporosis, those given EPA and GLA supplements experienced significantly less bone loss over 3 years, with many experiencing increased bone density.
Mental Health: Omega-3s are important components of nerve cell membranes and help nerve cells communicate effectively. DHA is involved in a variety of nerve cell processes essential for good mental health. Preliminary evidence shows improvement in symptoms in people with schizophrenia and depression. In children with ADHD, omega-3 supplementation showed significant improvements in reading, spelling, and behavior over 3 months of therapy.
Cancer Prevention: Consuming significant amounts of omega-3-rich foods appears to reduce the risk of colorectal, breast, and prostate cancers. Daily EPA and DHA consumption appeared to slow or even reverse the progression of colon cancer in people with early stages of the disease.
Omega-3 During Pregnancy — Benefits for Baby and Mother
Omega-3 fatty acids play a critical role in fetal brain development. At birth, the brain is composed of 100 billion neurons, and omega fatty acids make up 70% of the total brain mass. DHA levels in the brain continue to increase from the third trimester through the first two years of life.
Benefits for babies include better brain development and higher intelligence, good nervous system development, better eyesight from retina formation, fewer behavioral problems after birth, and better sleep patterns for newborns.
Health benefits for mothers include a lower chance of developing pre-eclampsia, protection against brain loss during pregnancy, a reduced risk of preterm labor and cesarean delivery, and a significantly lower risk of postpartum depression.
Studies show that women with higher DHA intakes during pregnancy gave birth to infants with higher cognitive development scores and young children with higher IQ scores up to 4 years of age. A quantitative positive relationship between increasing intakes of DHA (per 100 mg/day) during pregnancy and the child’s IQ has been established.
Despite this, 85% of all women are deficient in omega-3 fatty acids. Among pregnant women, only 2% had diets that met their needs of EPA, DHA, and DPA. Since ALA from plant foods is very poorly converted to EPA and DHA, direct supplementation is the most efficient means of supplying these fatty acids to both mother and baby.
Recommended Daily Intake
Total omega-3 fats: at least 2.4 grams per day. EPA + DHA combined: 400–500 mg per day. Omega-3 fatty acids are recognized as GRAS (Generally Recognized as Safe) by the USFDA. The American Heart Association recommends two servings of fatty fish per week. The WHO recommends one to two servings of fish per week, providing 200–500 mg of total EPA and DHA. The NIH recommends 220 mg each of EPA and DHA per day in a 2000-calorie diet.
Conclusion
Omega-3 fatty acids are vital for optimal health at every stage of life — from fetal brain development to heart health, immune function, mental well-being, and healthy aging. Getting them from whole foods such as fatty fish is ideal, but for those who don’t consume enough fish regularly, a quality omega-3 supplement like Aspivit 369 Syrup is a highly effective and affordable way to fill nutritional gaps and protect long-term health.
— Dr. Sanjay Agrawal
Leading Pharmaceutical Consultant and Editor-in-Chief of IJMToday
