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Two blue and white Complement Essential supplement packets are displayed with black capsules, green mint leaves, and an orange packet, highlighting key nutrients like B12, D3, DHA/EPA, iodine, K2, zinc, magnesium, and selenium.

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Your flax & chia provide omega-3s. Just not the right kind.

The omega-3s in flax and chia aren't what your brain and heart are craving. COMPLEMENT Essential delivers 470mg+ of real DHA/EPA from algae — plus 7 more nutrients your plant-based diet leaves gaps in.

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★ 4.86 | Trusted by 50,000+ customers | Replaces 3-8 supplements | 100-day guarantee
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Flax, chia, and walnuts give you ALA. Your body needs DHA and EPA. Those are not the same thing.

Here’s what most plant-based eaters don’t know: the omega-3s in flax and chia are ALA. Your body has to convert ALA into DHA and EPA — the forms your brain and heart actually use.

The conversion rate? Less than 5%.

That means your tablespoon of flax in your morning smoothie is delivering about 5% of the omega-3s you think it is. The rest passes through. Your brain and heart barely notice.

This isn’t a theory. It’s biochemistry. And it’s the reason most plant-based eaters are omega-3 deficient without knowing it.

Fish get their omega-3s from algae. So do we.

COMPLEMENT Essential includes 470mg of DHA and EPA from microalgae. Direct. No conversion needed. No fish involved. Same source, skip the middleman.

No other vegan multivitamin includes omega-3s at this dose. Most don’t include them at all. That’s because algae-based omega-3s are expensive to source. But they’re the whole reason this product exists.

While we were at it, we covered everything else plants miss too.

Omega-3s are the big one. But they’re not the only gap. There are 7 more nutrients that plant-based diets can’t reliably provide. Essential has all of them.

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Vitamin K2

50 mcg - Helps with heart and bone health.*
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Vitamin D3

50 mcg - Supports bone health and immunity.*
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DHA/EPA Omega-3s

470 mg - Supports brain and cholesterol health, nervous system regulation, and improved energy levels.*
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Iodine

150 mcg - Supports healthy thyroid function, which regulates the metabolism.*
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Magnesium

200 mg - Supports your metabolism, energy levels, mood, and heart health.*
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Selenium

50 mcg - Supports brain health, mood changes, and heart health.*
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Zinc

8 mg - Supports the skin and nails, healthy growth and eyesight, wound healing, and a well-functioning immune system.*
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Vitamin B12

300 mcg - Supports red blood cell formation, neurological function, & DNA synthesis.*
4.85
4166 reviews

The people who wish they’d started sooner.

COMPLEMENT® Essential

“I thought I was covered with flax and a B12 pill. Got blood work done. My DHA was basically nonexistent. Six months on Essential and my doctor was impressed with how everything came back up.”


— Verified buyer | 10 months

COMPLEMENT® Essential

“The omega-3 thing is what got me. I had no idea about the ALA conversion problem. Once I understood it, Essential was a no-brainer. One capsule covers everything I was missing.”


— Verified buyer | 6 months

COMPLEMENT® Essential

“Plant-based for 8 years. Always supplemented B12 but never thought about omegas. Essential covers both plus six more things I wasn’t thinking about. Wish I’d found it years ago.”


— Verified buyer | 2 years

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“The omega-3 gap is what started everything. I couldn’t find a vegan multi with real DHA/EPA. Every one either skipped it entirely or included a token amount. So I built a product where omega-3s come first.”

— Matt Frazier, Founder of No Meat Athlete, NYT bestselling author and COMPLEMENT® Co-Founder

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2-Month Supply
60 Servings
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Free Glass Jar

A white pouch labeled Complement Essential with text highlighting nutrients like B12, D3, DHA/EPA, iodine, K2, zinc, magnesium, and selenium. Two black capsules are placed in front of the pouch on a white background.
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COMPLEMENT® Essential

4.86
2369+ Reviews

Eight clinically aligned nutrients, including DHA/EPA omega-3s, delivered in one simple daily habit to support steady energy, immunity, and long-term vitality.

  • 100-day money-back guarantee
  • Free USA shipping over $95
  • Supports all-day energy, immune, heart, & brain health.*
  • Promotes foundational health & longevity.*
  • Helps regulate normal metabolism.*
  • Third-party tested.
  • 100% compostable pouch.
  • Essenced with peppermint.
Supplement Facts

Third Party Test Results
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Ingredients

Vitamin K2 - 50 mcg:
K2 isn't available in plant-based foods except for natto, a Japanese fermented soy product (and it's not in tempeh), so those eating Western diets need to supplement in order to get it.

Vitamin D3 - 50 mcg:
We love nature and spending time outdoors. But we also wear clothing, and most of us work inside during daylight hours. That means our natural ability to soak up the sun's rays is limited, and as a result, many of us — regardless of dietary pattern — might be deficient in Vitamin D.

DHA/EPA Omega-3s - 470 mg:
Vegan food sources of Omega-3s like flax and chia seeds don’t provide two essential types — namely DHA and EPA. Seeds provide ALA Omega-3s, and are an amazing addition to your plate, but most people do not convert ALA into DHA and EPA.

Iodine - 150 mcg:
Worldwide, iodine deficiency affects two billion people and is the leading preventable cause of intellectual and developmental disabilities. In plant foods, iodine is found inconsistently and depends on the iodine content of the soil. It’s possible to get enough iodine if you regularly eat seaweed (multiple times a week), or use iodized salt, but this is one essential nutrient that shouldn’t be overlooked whether you’re vegan or not.

Magnesium - 200 mg:
Soil depletion is a major cause of Magnesium deficiency in the overall population, and affects vegans as well as non-vegans.

Selenium - 50 mcg:
Our depleted soil may mean that plant foods, in general, do not contain enough Selenium (and that’s even true for some Brazil nuts).

Zinc - 8 mg:
Legumes and seeds are the best natural sources on a plant-based diets, but vegans who avoid those food groups, as well as those who are worried about its bioavailability can benefit from the addition of Zinc with Complement Essential.

Vitamin B12 - 300 mcg:
Soil bacteria produce Vitamin B12 — which is essential for humans in order to protect neutral health and reduce inflammation. But modern agriculture and other human behaviors decimate these bacterial colonies that produce B12.

Who is this for?

COMPLEMENT Essential is for people who eat a plant-forward or plant-based diet and want a simple, reliable way to support long-term health without overcomplicating supplementation.

It is designed to complement a healthy whole-food diet by providing key nutrients that are commonly underconsumed in plant-forward eating patterns, including vitamin B12, vitamin D3, iodine, zinc, selenium, and plant-based omega-3s.

If your goal is to support longevity by nourishing your heart, brain, immune system, and overall vitality so you can feel like your most vibrant self each day, COMPLEMENT Essential is for you.

The science

Instead of cramming together dozens of vitamins and minerals you're already getting through food, Complement Essential focuses on the 8 hard-to-get nutrients, in dosages that make a difference.

Here's a look at the science:

Vitamin B12 among Vegetarians: Status, Assessment and Supplementation. LINK

Prevalence and correlates of vitamin D deficiency in US adults. LINK

Linus Pauling Institute,Micronutrient Information Center, Iodine LINK

Dietary Reference Intakes for Vitamin A, Vitamin K, Arsenic, Boron, Chromium, Copper, Iodine, Iron, Manganese, Molybdenum, Nickel, Silicon, Vanadium, and Zinc. LINK

Linus Pauling Institute,Micronutrient Information Center, Essential Fatty Acids LINK

Status of the World’s Soil Resources. LINK

A healthy gastrointestinal microbiome is dependent on dietary diversity. LINK

Distinct microalgae species for food—part 2: comparative life cycle assessment of microalgae and fish for eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA), and protein. LINK

Life cycle assessment of fish oil substitute produced by microalgae using food waste. LINK

How to use Essential

Take 3 capsules daily with a meal.

Taking Essential with food helps support optimal absorption of fat-soluble nutrients and omega-3s, and is gentle on digestion.

For best results, use consistently as part of your daily routine alongside a balanced, whole-food diet and healthy lifestyle.

What are the benefits?

COMPLEMENT Essential is designed to support foundational health by filling common nutrient gaps in plant-forward and plant-based diets. Each nutrient is included at meaningful, evidence-based amounts to support key systems involved in long-term vitality.*

Supports heart health and cardiovascular function*

  • Plant-based DHA and EPA omega-3s support normal heart function and cardiovascular health
  • Vitamin D3 and K2 help support healthy calcium metabolism, which plays a role in vascular health

Supports brain health and cognitive function*

  • DHA omega-3s are a major structural component of the brain and support normal cognitive function
  • Vitamin B12 supports nervous system health and neurotransmitter function

Supports immune system function*

  • Vitamin D3 helps support immune response
  • Zinc and selenium support immune cell activity and antioxidant defenses

Supports energy metabolism and nervous system health*

  • Vitamin B12 supports normal energy metabolism and red blood cell formation
  • Iodine supports thyroid function, which plays a key role in energy regulation

Supports bone and muscle health*

  • Vitamin D3 and K2 support bone health by helping the body absorb and properly utilize calcium
  • Magnesium supports normal muscle function and neuromuscular signaling

Designed to complement a whole-food diet

COMPLEMENT Essential does not attempt to replace food. Instead, it provides targeted nutrients that are commonly difficult to obtain in sufficient amounts from plant-forward diets alone, helping support long-term health without unnecessary excess.

HSA/FSA Eligible with

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We've partnered with Truemed to make Complement eligible for Health Savings Account (HSA) and Flexible Spending Account (FSA) spending. Simply take a short 2-minute survey after purchase to start the reimbursement process.

4.86
2369+ certified reviews

Customers Speak

Real reviews from real plant-based eaters…

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Love all-in-one daily approach

Feel the boost of energy

Do it for today and tomorrow

Not all multivitamins are built the same.

Optimized for Plant-Centered Diets
Evidence-Based Dosages
470mg of Omega-3s DHA/EPA
Published 3rd-Party Test Results
100% Compostable Packaging

Open one bottle instead of eight.

Your nutrition doesn’t have to be complicated. One serving, once a day, and you’re covered. If it’s not right for you, 100 days to get your money back.

Simplify Your supplements
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Frequently asked questions. Still not sure?

Find answers to your questions here...What are the nutrition facts?

What are the nutrition facts?

Is Complement Essential vegan?

Yes, Complement Essential is 100% vegan and cruelty-free. (And so are we.) All of the ingredients are sourced from plants, bacteria, minerals or algae.

Does Complement Essential contain soy, nuts, gluten, GMO's or artificial ingredients?

Complement Essential DOES NOT CONTAIN: Soy, nuts, yeast, gluten, MSG, genetically modified organisms, artificial colors or flavors, fish, dairy, eggs or other animal-sourced ingredients.

Who is behind Complement?

We’re a team of nutrition-first individuals with unique health stories and backgrounds. Together, we're on a mission to support anyone looking to live a healthier life by ensuring they have the nutrients and information they need to thrive. Through sourcing the highest quality ingredients and fully transparent production, we leave absolutely nothing on the table when it comes to developing essential, premium plant-based nutrition products.

Why did you make the capsules black?

The unprocessed and unrefined oil used in Complement Essential naturally contains other beneficial compounds including carotenoids, Omega-7, and Chlorophyll — which gives it a dark green color that appears nearly black.

What does Complement Essential taste like?

Being a capsule, Complement Essential should be swallowed without holding it in the mouth, so there shouldn't be a specific taste. To enhance the experience, however, we include a peppermint tab in each pouch that provides a beautiful mint essence to each capsule.  

What is the suggested use?

For adults and children over 12, take 3 vegan capsules daily, preferably with a meal. Store in a cool, dark place. Please recycle the glass bottle after use.

Do I need to take 1 capsule 3 times a day?

Not at all! There shouldn't be any difference between taking all three capsules with a single meal, or spacing them throughout the day.

The one thing that is somewhat important is taking them with a meal that contains at least some amount of fat, as this will help with the absorption of the nutrients.

Can my children take Complement Essential?

We formulated Complement Essential for adults and kids over 12. If you wish to give it to younger children, please consult with your doctor or pediatrician and show them the full ingredients list to determine its suitability and dose. Also, please keep in mind that while most adults and older children have no issues swallowing the capsules, they might be a bit big for younger children. Have a look at Complement spray for an alternative that most of our team members use for their toddlers.

Can I take Complement Essential together with my other supplements or multivitamin?

Complement Essential, together with a whole-food, plant-based diet, will provide you with the nutrients you need to thrive. Formulated for optimal nutrient intake, Complement Essential is safe and non-toxic when taken as directed. If you take another supplement that contains any of the nutrients found in Complement Essential, you may exceed the tolerable upper intake for that nutrient. Speak with your doctor if you have any questions about how Complement Essential works with any other supplements or medications you are taking.

When can I expect my order?

We aim to ship orders within 24 hours of purchase, and all U.S. orders are shipped using 2-day priority mail. In other words, our goal is to get Essential in your hands in just a few days!

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4.86
2369 reviews

Loved by thousands.

Customer Reviews

Based on 2369 reviews
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Lori S. (Kenosha, US)

COMPLEMENT® Essential

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Gail C. (Valrico, US)
Vitamins

I've been taking Complement vitamins for a few years. I'm very pleased!

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Todd L.

COMPLEMENT® Essential

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Michael L. (Herndon, US)
Vegan Friendly

LOVE complement - very few, honest supplement stores around these days, so thank you for your service <3

A
Adam R.
Apparently works

I recently visited my provider. After starting these supplements, my base line levels increased from low levels to normal levels. It apparently works!

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100% Happy

We stand behind our products 100%. If you’re not happy with the results, taste, or experience, we’ll fix it.

100-Day Guarantee

You have a full 100 days after receiving your product to try it out and see if it’s the right fit for you.

100% Money-Back

And if you don’t love it within the first 100 days, we’ll issue a full refund. No questions asked. No fine print. That’s the COMPLEMENT® guarantee.

Get the Full Story
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*The statements on this website have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.

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