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Published on April 2, 2019

Omega-3 status can be assessed by measuring the amount of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) in red blood cells, which is called the Omega-3 Index. The primary food source of EPA and DHA is fatty fish such as salmon, mackerel, herring, sardines, and tuna. Plant oils, such as flaxseed and soybean, contain alpha-linolenic acid (ALA), another omega-3 form that can be converted to EPA and DHA, but the conversion rate is very low.

What does your dietary omega-3 intake look like?

In 2017, GrassrootsHealth added questions about dietary omega-3 intake to its questionnaire to collect the typical number of meals containing fatty fish or plant-based omega-3s per week. Following is a summary of what we found so far about omega-3 dietary intake among GrassrootsHealth participants.

How much fatty fish do GrassrootsHealth participants eat per week?

The chart below shows the typical number of meals with fatty fish per week among 1,749 GrassrootsHealth participants. Nearly three quarters (72%) consumed less than two meals with fatty fish per week. The most common types of fatty fish were salmon, sardines, and tuna.

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How much plant-based omega-3s do GrassrootsHealth participants eat per week?

The chart below shows the typical number of meals with plant-based omega-3s, such as flaxseed, chia seeds, or walnuts, per week among 1,675 GrassrootsHealth participants. Half (50%) consumed less than two meals with plant-based omega-3s per week, but almost a quarter (23%) had at least 5.

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How does this compare to other populations?

According to the 2015-2020 Dietary Guidelines for Americans, approximately 90% of U.S. adults consume less than two meals with fish per week. While GrassrootsHealth participants as a whole consume more fish than the general U.S. population, fish intake is much lower than the Japanese population, which is about 1 serving of fish per day. In Japan, there is a very low rate of cardiovascular disease, which has been linked to their high fish consumption and correspondingly high omega-3 index levels (greater than 8.0%).

How can I find out my Omega-3 Index?

GrassrootsHealth offers an Omega-3 Index test which indicates long-term (about four months) intake of EPA and DHA from food and supplements. Evidence shows that an Omega-3 Index of greater than 8% is optimal for health and less than 4% is deficient. Test your levels today!

How can I track my dietary omega-3 intake and nutrient levels?

To help you track your nutrient intake and nutrient levels, GrassrootsHealth has created an online tracking system called myData-myAnswers. You can track your fish and plant-based omega-3 consumption, as well as your omega-3 supplements.This will help you know your true omega-3 intake and the intake amount you need to reach and maintain optimum nutrient levels. See our special offer above.

How Can You Use this Information for YOUR Health?

Having and maintaining healthy vitamin D and other nutrient levels can help improve your health now and for your future. Measuring is the only way to make sure you are getting enough!

STEP 1 Order your at-home blood spot test kit to measure vitamin D and other nutrients of concern to you, such as omega-3s, magnesium, essential and toxic elements (zinc, copper, selenium, lead, cadmium, mercury); include hsCRP as a marker of inflammation or HbA1c for blood sugar health

STEP 2 Answer the online questionnaire as part of the GrassrootsHealth study

STEP 3 Using our educational materials and tools (such as our dose calculators), assess your results to determine if you are in your desired target range or if actions should be taken to get there

STEP 4 After 3-6 months of implementing your changes, re-test to see if you have achieved your target level(s)

Enroll in D*action and Build Your Custom Test Kit!

SPRING SALE! 15% off test kit orders of $100 or more PLUS the Sunshine eBook for FREE! Use coupon code: SPRING24

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