Omega-3 fatty acids are also referred to as essential fatty acids. Few nutrients have been studied as extensively as these, which is why we are covering the 25 health benefits of omega-3 fatty acids that are backed by science. From brain health to hormones, these fats are incredibly beneficial for overall health.
Omega-3s are called essential because they are required for several biological processes within the body. We can’t make these fats, and we have to consume them from our diet to survive. They are a part of the cell membrane of every single cell in your body.
Some of the organs and functions they are crucial for are:
- Blood vessels
- Endocrine system
- Immune system
- Skeletal muscle
There are three main EFAs:
- Alpha-linolenic acid (ALA)
- Docosahexaenoic acid (DHA)
- Eicosapentaenoic acid (EPA)
The Standard American Diet (SAD) is incredibly low in these Omega-3 fatty acids. The SAD tends to be filled with processed vegetable oils and omega-6 fatty acids, which are pro-inflammatory, unlike the anti-inflammatory omega-3.
But since they are so critical to health, how and why should you incorporate them into your diet?
In this article, I’m going to go in-depth into the best places to find Omega-3 and get their fantastic health benefits into your body, what to look for in a supplement, the common ailments they may help support, and their role in optimal female hormonal health.
1. Omega-3 For Hormone Balance
Omega-3 can play a big part in creating hormone balance, primarily because of its anti-inflammatory properties. While healthy fat intake is essential for hormone health, focusing on optimizing your balance of the Omega-3 to Omega-6 ratio is crucial. A healthy ratio of omega-6 to omega-3s to focus on is 2:1. Too many omega-6s in relation to omega-3s can increase levels of inflammation in the body, which spurs a recipe for disaster with your hormones.
When inflammation is elevated, it can overdrive the activity of an enzyme called aromatase. Aromatase converts testosterone into estrogen in both men and women. In this way, inflammation can lead to high levels of circulating estrogen and even lead to low testosterone, leading to a state of estrogen dominance and androgen deficiency. This inflammation can also prevent ovulation, which is required to have a proper menstrual cycle and conceive!
In my free meal plan and recipe guide, I give you hormone-friendly meals that help you balance your omegas for better hormones.
2. Omega-3 Fatty Acids For Menstrual Cramps and Period Pain
Menstrual cramps generally occur in the lower abdomen and can radiate to the lower back or the thighs. In conditions like endometriosis, period pain can be significant and debilitating.
As I discuss in this article on how prostaglandins cause painful periods, prostaglandins are hormone-like compounds that cause contractions of the uterine muscles. When your levels of prostaglandins are high, menstrual cramps are sure to result.
But Omega-3 can essentially lower prostaglandins, making those cramps less severe. That’s because prostaglandins can be made from omega-3 or omega-6 fatty acids. Check out this article for more on that. Omega’s can be a great addition to fight prostaglandin-induced inflammation, helping to alleviate pain from your period.
3. Does Omega-3 Help With Acne?
Because hormonal acne is largely an inflammatory issue, and because fat, in general, is just good for the skin, many women turn to Omega-3 supplementation as a natural way to help deal with acne.
Studies have shown that high levels of omega-3 fatty acid intake can decrease inflammation and “may reduce acne risk by decreasing IGF-1 and preventing hyperkeratinization of sebaceous follicles.” IGF-1, or insulin-like growth factor, is a significant factor influencing acne in women and typically is upregulated by diets high in refined sugars, alcohol, and processed food.
Optimizing the quality of your diet and including Omega-3s may help prevent IGF-1 from causing acne-associated chaos. Acne is also associated with omega-3 deficiencies, so making sure to have optimal omega-3s in your diet may help prevent associated acne flares.
4. Can Omega-3 Help My Thyroid?
Autoimmune thyroid conditions like Hashimoto’s or Graves’s disease wreak havoc on your thyroid health and your life, so finding ways to counteract the underlying inflammation that’s at the root of these diseases is essential for healing.
Omega-3, as we’ve explored, is very effective at doing just that.
It’s why I include it as part of my Thyroid Protocol, in addition to thyroid-loving ingredients like selenium, iodine, and zinc. Many hypothyroid warriors need additional omega-3s to help support inflammation but also support healthy cell membranes. If your cell membranes lack stability due to a lack of omega-3s, then you can’t properly absorb and utilize nutrients, leading to worsened thyroid and autoimmune conditions.
Also — if you are feeling tired, cold, and you’re unexpectedly gaining weight and haven't had your thyroid tested, be sure to ask your doctor for a complete thyroid panel.
5. Omega-3 For PCOS
Polycystic Ovarian Syndrome (PCOS) is very much a disease that’s linked to inflammation. While we don't entirely know what causes PCOS, we understand that many cases are linked to inflammation and blood sugar dysregulation.
Increasing Omega-3 intake is crucial to cool down inflammation and help reduce the acne that’s so common with PCOS. There’s even some indication that it can lower testosterone levels and help regulate the menstrual cycle.
In this study, researchers paired Omega-3 with a low carbohydrate diet to significant effect.
I invite you to check out this article about supplements for PCOS.
6. Omega-3 For Insulin Resistance
Insulin resistance, which can be an underlying issue of PCOS, is becoming a national epidemic. In the United States, over 84 million people (that’s 1 in 3) have insulin resistance — and they may not even realize it. Insulin resistance can lead to a host of medical problems such as diabetes, cardiovascular disease, and cancer. Not only that, but lack of insulin sensitivity can lead to chronic fatigue, trouble losing weight, skin tags, unregulated hunger, and hormonal imbalances.
Some studies have shown that higher consumption of Omega-3 is associated with better insulin sensitivity.
Other ways to increase insulin sensitivity include:
- Eat a whole-food, nutrient-rich diet and lots of veggies
- Get plenty of sleep
- Exercise daily
- Go on 5-10 minute (or longer!) daily walks after meals
- Lose weight if you are overweight
- Add cinnamon and turmeric to your diet
- Increase magnesium intake
- Decrease simple carbohydrate intake and focus on fibrous, complex carbohydrates
- Balance your blood sugar by consuming consistent meals with 20-30g protein at each mean
7. Omega-3 For Menopause
Women going through menopause often experience a cluster of symptoms, including depression and hot flashes.
One study showed significant improvement in both of these symptoms when Omega-3 supplementation was given.
Further studies are needed to confirm the benefits of omega-3s for hot flashes — this study found women without depressive symptoms showed no improvement in hot flashes. But as the researchers concluded, the benefits of Omega-3 consumption for its effect in lowering triglycerides (a powerful indicator of heart disease, especially in women) alone is something that women can significantly benefit from. As women enter menopause and lose cardioprotective estrogen, they increase their risk for cardiovascular-related events.
So while some women do experience improvement in their hot flashes, it seems the cardiovascular benefits alone may be worth including more Omega-3s into your routine.
>>Want to learn more about how to balance your hormones naturally? Check out my completely free hormone balancing starter kit.
I often recommend Omega Plus to my patients for its many anti-inflammatory and hormone-supporting properties. But, it’s also been found to help with brain and heart health as well.
8. Omega-3 For Inflammation
One of the reasons Omega-3 is such a powerful nutrient is because of its anti-inflammatory properties.
In study after study, Omega-3 intake has been linked to lower levels of inflammation. There’s even evidence that it can be used instead of non-steroidal anti-inflammatory drugs (NSAID) to treat chronic pain in some people. Remember, always consult your doctor before making changes to your medications.
Improving your levels of inflammation is something you definitely want to prioritize. This is because higher levels of inflammation can ultimately lead to:
- Autoimmune disease
- Heart disease
- Chronic pain
- Alzheimer’s disease
In addition, chronic inflammation can result in HPA dysfunction, as the adrenal glands are responsible for producing cortisol—a hormone that keeps inflammation in check. Cue period problems, fatigue, trouble losing weight, and aches and pains!
9. Omega-3s For Autoimmune Disease
Your immune system attacks healthy tissues when there is an autoimmune disease present. For example, Hashimoto's thyroiditis is the most common autoimmune condition affecting women. In this condition, the immune system attacks healthy thyroid tissues, which leads to hypothyroidism.
Other examples of autoimmunity include type I diabetes, rheumatoid arthritis, lupus, and inflammatory bowel disease.
Omega-3 Fatty Acids for Type I Diabetes Prevention
In one study in the American Journal of Nutrition, it was found that the use of omega-3 fatty acids during the first year of life was associated with a lower risk of developing type I diabetes. In this study, they specifically used cod liver oil. Fish oil is one of the best sources of omega-3 fatty acids.
Another study in the Journal of Nutrition and Diabetes showed that the consumption of omega-3 rich fish was associated with a decreased risk of the development of autoimmune diabetes in adults. There was no improved outcome found for type 2 diabetes in this study.
Omega-3s and Multiple Sclerosis
In another study, the consumption of fish, not other dietary fats, was associated with a decrease in clinical diagnosis of demyelination of the central nervous system, a condition associated with multiple sclerosis.
10. Omega-3 Can Promote Brain Health for Mama and Baby in Pregnancy
Omega-3 is an essential building block for life. When you’re pregnant, DHA is crucial for optimal visual and cognitive development of your baby.
Furthermore, Omega-3 intake has been linked to lowered levels of anxiety in pregnant women.
This is why in my practice, I recommend Omega-3s for women trying to conceive and in the postpartum period as part of our Pregnancy Support Kit.
Omega-3 Benefits for Baby
There have been numerous studies to show benefits of omega-3 consumption during pregnancy, including:
- Decreased risk in developmental delay, ADHD, autism, cerebral palsy
- Increased intelligence
- Less behavioral issues
- Better social skills, including communication
How Much Omega-3s Are Needed in Pregnancy?
Pregnant women typically need more omega-3 fatty acids than non-pregnant women. In general, we want to aim to get our nutrients primarily from food sources. Still, due to mercury concerns, the Reviews in Obstetrics and Gynecology recommended that low mercury fish be limited to 2, 6-ounce servings weekly.
In 2017, the American College of Obstetricians and Gynecologists recommended pregnant women, women who may become pregnant, and breastfeeding mothers to follow the FDA and EPA’s revised advice to:
- Eat 2-3 servings a week (8 to 12 ounces in total) of a variety of fish (see Figure 1 Best Choices);
- Eat only 1 serving a week (no more than 6 ounces) of some fish, such as albacore (white) tuna and fish with similar mercury concentrations to albacore (white) tuna (see Figure 1 Good Choices);
- Avoid certain fish with the highest mercury concentrations (see Figure 1 Choices to Avoid); and
- Check for advisories for fish caught by family and friends and where no advisories exist, limit eating those fish to one serving a week, and not eat other fish that week.
Generally, it is recommended that pregnant women get at least 200-500mg of DHA daily for these reasons.
Since fish is a primary source of Omega-3, it can be difficult for pregnant women to get enough DHA through whole foods alone. Seafood can be very tricky to consume, especially while pregnant, because of concerns regarding pollution in our waterways, fish can be contaminated with mercury.
If you’re concerned about mercury contamination, or seafood isn’t really agreeing with you at the moment (fish and nausea don’t always mix), but you still want to consume Omega-3, be sure to find a high-quality fish oil supplement that’s been filtered, distilled on a molecular level, and tested to ensure that any contaminants have been removed.
I am super picky about the fish oil I take and what my family takes, that's why we've gone to great lengths to ensure the highest quality in our Omega Plus.
11. Omega-3 For Brain Health
Brain health is extremely complex, and there’s so much we have yet to learn about the brain. One thing is for sure, it’s difficult to treat neurological disorders because of the blood-brain barrier.
The blood-brain barrier is a semi-permeable barrier between the bloodstream and the brain. It’s very effective in protecting the brain from dangerous substances that could compromise it. But it also prevents certain medications that we’d like to target brain function from entering the brain as well.
Omega-3 is one of the nutrients that effectively crosses the blood-brain barrier, and that’s why it’s been used so effectively for treatment in various neurological conditions. It even shows promise as a possible treatment for Alzheimer’s disease. Alzheimer’s has been linked to chronic inflammation and insulin resistance, and as you have already learned, omega-3s can help to combat this.
12. Omega-3 For Anxiety And Depression
Omega-3 has been well studied for its role as part of a plan to address depression and anxiety, mostly as an additional supplement in conjunction with traditional depression medications.
Since rates of depression are lower in countries where people consume the most seafood, it stands to reason that Omega-3 supplementation in populations that don’t otherwise eat a lot of fish could be beneficial as a depression treatment.
13. Omega-3 Can Improve ADHD Symptoms
Omega-3 supplementation has long been regarded as an effective complementary treatment for children with Attention Deficit Hyperactivity Disorder (ADHD). It seems especially effective for those who have low stores of the nutrient, to begin with.
Symptoms that Omega-3 helps to mitigate include:
- Difficulty reading
- Difficulty in visual learning
- Poor working/short term memory
14. Omega-3 For Heart Health
The benefits of Omega-3 consumption for heart health are many and generally well studied.
The large Vitamin D and Omega-3 Trial (VITAL) study of almost 26,000 people recently announced preliminary findings that showed that Omega-3 fatty acid supplementation reduced the risk of heart attack by a staggering 28%.
As I mentioned earlier, Omega-3 can work by reducing triglycerides, which, when elevated, can be a sign of heart disease. This is an especially relevant marker in women, as levels can increase in the following circumstances:
- When taking birth control
- Using hormone replacement therapy
- After menopause
Though omega-3 supplementation may reduce triglycerides, a Cochrane and American Heart Association review concluded that based on current evidence, omega-3 fatty acid supplementation does not lower the risk of cardiovascular-related events, stroke, CVD mortality or all-cause mortality.
15. Omega-3s Can Improve Eye Health
DHA is one omega-3 that is critical to eye health. In fact, it plays a role in the structure of the retina of your eye.
Omega-3 fatty acids have been shown to be protective against age-related decline in eye health.
16. Omega-3s Can Help Prevent Clots
Blood clots form when something triggers the clotting factor cascade. Following this, fibrin and platelets come together to form a clot. Omega-3s can prevent platelets from clumping together, which may be beneficial for those at higher risk.
As little as 1 gram or 1,000 mg per day has been shown to have benefits.
Risk factors for a clot include:
- Certain cancers
- Oral contraceptive pills (The Pill)
- Age (over 60)
- And more
Always make sure to discuss with your doctor when you start or stop an omega-3 supplement, especially if you are going into surgery or on medications, as they may have a blood-thinning effect.
17. Omega-3s for Metabolic Syndrome
Metabolic Syndrome is a collection of conditions that increase your risk for heart disease, type 2 diabetes, and stroke. These conditions include elevated blood pressure, high blood sugar, excess body fat around the waist, abnormal cholesterol or triglyceride levels, low HDL (“good cholesterol”).
A study reported in the journal of Acta Cardiologica found that “omega-3 improves the cardiovascular risk profile of subjects with metabolic syndrome, having effects on weight, systolic blood pressure, lipid profile, and markers of inflammation and autoimmunity.”
Other studies have found similar benefits with regards omega-3 fatty acids reducing inflammation in those with metabolic syndrome. In addition, a diet rich in omega-3 fatty acids may also increase the health of the cardiovascular system in obese adolescents.
18. Omega-3s for Schizophrenia and Bipolar Disorder
Several studies have suggested that omega-3 fatty acids can positively affect mood, including schizophrenia and bipolar disorder, and that lower omega-3 status has been found in those with mood disorders.
Omega-3s are essential for brain function, including being neuroprotective, and may be a helpful adjunct therapy for those with bipolar disorder.
Multiple studies have noted therapeutic benefit of utilizing omega-3s in the treatment of schizophrenia.
In the studies noted above, it has been found that omega-3 fatty acids can reduce the frequency of mood swings. It is important to note that the research recommends utilizing omega-3 as an adjunct therapy and not as a replacement for prescribed medication.
19. Omega-3s in Alzheimer’s and Dementia
We certainly need more research to understand the age-associated decline in brain health, but research regarding omega-3 supplementation has been promising.
Though omega-3s may not aid in preventing further cognitive decline in patients with Alzheimer’s and may not benefit the cognition of older adults without cognitive decline, they may yield promising results in slowing cognitive decline in older adults with mild cognitive impairment.
20. Omega-3s May Improve Your Skin
Both the EPA and DHA found in fish oil can benefit your skin.
EPA can prevent keratosis pilaris, the little red bumps that show up on the upper arm. Omega-3 fatty acid deficiency is clearly linked with keratosis pilaris, as well as eczema, psoriasis, skin rashes, and rosacea. Do you have rough, scaly skin or dermatitis? Then, you may need some Omega-3s.
Omega-3s may also reduce the risk of acne, premature aging of the skin and support healthy oil production. So protect your skin from visible signs of aging by getting sufficient omega-3s!
Omega-3s have also shown promise as an adjunct therapy for autoimmune-related skin conditions.
DHA is a structural component of your skin and plays a crucial role in your skin’s overall health and appearance.
21. Omega-3s May Reduce Asthma
Asthma is a lung disease in which inflammation can lead to airway restriction, coughing, and wheezing.
Asthma cases have been climbing in recent years, with studies noting that patients need an action plan that includes reducing environmental risk factors.
Epidemiological data suggest that omega-3 consumption may be preventative with regard to childhood asthma. Other studies have noted that omega-3 fatty acids in the diet are associated with a lower incidence of asthma.
22. Omega-3s May Reduce Fatty Liver
Non-alcoholic fatty liver disease (NAFLD) is becoming increasingly common and is contributing to chronic liver disease.
In the journal Nutrition Reviews it has been noted that omega-3 fatty acids are showing promise in cases of NAFLD. Similarly, in the Journal of Hepatology, it is noted that omega-3s may reduce liver fat.
The benefits of omega-3s in reducing liver fat, insulin resistance, and increasing anti-inflammatory mediators is discussed in a 2020 review article in Liver International.
23. Omega-3s for Better Bone Health and Joints
Omega-3s may improve bone strength by increasing calcium in bones.
24. Omega-3s for Better Sleep
DHA is essential for the production of melatonin, which helps you sleep. Sleep is crucial for healthy hormones, reduced illness, and in those with chronic disease.
Melatonin may also be beneficial for fertility and ovarian health.
25. Omega-3s May Help Prevent Cancer
Omega-3s may help reduce the risk of some cancers like colon, breast and prostate cancer due to their ability to reduce inflammation. However, remember that cancer is a multifactorial disease with many variables that should be considered.
A study in the American Journal of Epidemiology reports that those with higher fish consumption had lower incidences of colon cancer.
In one case-control study, high fish consumption was associated with a lower risk of breast cancer in pre and postmenopausal women. Additionally, it was reported, “among premenopausal women, there was a significant reduction in breast cancer risk for the highest intake quartiles of omega-3 fatty acids compared to the reference group who consumed the lowest quartile of intake.”
In the journal of Breast Cancer Research it was concluded:
The inflammation-resolving properties and favorable effects of EPA and DHA on oncogenic proteins, as well as on the cardiovascular, bone, and central nervous system, make them excellent candidates for primary and secondary breast cancer prevention trials for individuals at increased risk as well as breast cancer survivors.
We certainly need much more research to understand the therapeutic benefit of omega-3s in cancer prevention, adjunct cancer treatment, and survivorship.
What Are Good Whole Foods Sources of Omega-3?
Omega-3 fatty acids are found in the highest concentration in seafood, but there are other plant-based sources of this fantastic nutrient as well.
It's important to understand that animal sources of omega-3s are the most readily available to the body and that the vast majority of studies are examining fish consumption and fish oil.
Humans are highly inefficient at converting the plant precursors of EPA and DHA into active forms. In addition, as I explain in Beyond the Pill, we depend on estrogen to make this conversion. So ensuring you're using synthetic estrogen in the form of birth control, it is unclear if your body can convert plant-based omega-3s into the beneficial EPA and DHA.
Some of the best sources of ALA include:
- Hemp seed
- Chia seed
- Kidney beans
- Navy beans
- Great northern beans
Some of the best sources of DHA and EPA include:
- Coldwater fish
Your body can take ALA and convert it into EPA and subsequently DHA, but not in substantial amounts.
While most people get enough ALA, it’s EPA and DHA consumption where most struggle to get sufficient amounts.
Better choices for Omega-3 rich seafood that are also generally low in mercury include:
- Wild-caught salmon
Be sure to stay away from the larger, predatory fish, which usually have the highest levels of mercury:
- King Mackerel
How Much Omega-3 Should I Take Per Day?
While there’s no specific Recommended Daily Allowance (RDA) for Omega-3, most health organizations recommend 500 mg of EPA and DHA every day for healthy individuals.
If you’re in a healing phase, trying to reduce inflammation, are low in Omega-3, or are looking to address a specific condition, the consensus is that more Omega-3 is needed.
When determining how much Omega-3 is right for you, be sure to consider that most healing benefits are achieved with a specific ratio of DHA to EPA of 1:2.
How Do I Choose an Omega-3 Supplement?
As I mentioned before, pollution in our waterways is of significant concern when we start talking about increasing fish consumption.
The last thing anyone wants is to try to improve their health, only to compromise it by ingesting more environmental toxins and chemicals in their food or supplements.
When you’re searching for an Omega-3 supplement, be sure to look for a product that:
- Is derived from smaller fish that is more likely to have lower levels of mercury, to begin with
- Is molecularly distilled
- Is filtered to remove any heavy metals, PCBs, solvents, and pesticides
- Is tested to ensure all contaminants have been removed
- Has a ratio of DHA to EPA of 1:2
- Contains lipase to help ensure there are no fish burps after it’s swallowed
Omega Plus is a product has been formulated with all of these standards in mind. It’s essential to purchase supplements only from places you can completely trust, especially when considering a fish oil product.
You also never want to consume a fish oil that smells “fishy” or a capsule that has become “squishy.” These are markers that the fish oil has become oxidized and rancid. Rancid fish oil will lead to increased inflammation rather than decreased. Make sure your fish oil supplement has no taste or smell and that it stays firm to the touch. If not, throw it out.
Omega-3 For Optimal Health
I hope this breakdown of Omega-3 has been helpful for you in determining the ways this amazing essential nutrient can help you in your health journey.
Omega-3 plays such a vital role in so many bodily functions and it’s important to me that you understand exactly how it works and how you can utilize it as a natural tool to help you achieve your health goals, whether they are related to female hormones or not.
If you’re interested in learning more about other vital nutrients, vitamins, natural health, female hormones, the menstrual cycle, or science-backed ways to improve your health, I encourage you to join my mailing list. I regularly send out newsletters, articles, recipes, and more to inspire you. And, as an additional perk, you’ll receive my Hormone Balancing Starter Kit — which has everything you need to get yourself on the path to hormonal harmony.
That bad mood, anxiety, bad skin, bloating, and food cravings can all be things of the past — and I’d love to show you how!
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