Research-Based

Complement Vitamins Review – Are These Vegan Nutrients Effective?

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By Jack Cincotta, MS

Reviewed by Juliana Tamayo, MS, RDN - Last Updated

Complement Vitamins Review

Plant-based diets have surged in popularity as more people recognize their health benefits and environmental advantages. However, despite these potential gains, many individuals implement plant-based eating incorrectly, leading to significant nutrient deficiencies.

Even nutrition-savvy individuals find meeting every nutrient requirement challenging on a plant-based diet—which is where targeted supplementation proves invaluable. This review examines Complement Essential Vegan Nutrients (also known as Complement Vitamins) to evaluate how effectively it supports plant-based nutrition.

Ready to learn more? If so, keep reading this Complement Vitamins review.

Complement Vitamins Essential Vegan Nutrients

About Complement Vitamins

Complement Essential Vegan Nutrients positions itself as the ultimate multivitamin for plant-based eaters. It delivers 8 key nutrients in science-backed dosages that are frequently missing or insufficient in plant-based diets, serving to complement your existing nutrient intake for balanced nutrition.

The Complement team prioritizes environmental sustainability, packaging their product in sustainable glass bottles with eco-friendly materials. Every purchase helps plant trees worldwide, supports sanctuary animals, and reduces carbon footprint.

Complement Vitamins Benefits

The rise of vegan and plant-based diets has created demand for specialized supplements. Today’s market offers vegan options for diverse needs—from protein (Ghost Vegan Protein) to omega-3s (Freshfield Vegan Omega-3) and beyond. Complement Vitamins addresses this need by targeting nutritional gaps while supporting heart health, brain function, and more.

Through its blend of essential nutrients, Complement Essential Vegan Nutrients aims to enhance multiple aspects of health.

The primary advertised benefits of Complement Vitamins include:

  • Improved heart health
  • Increased energy levels
  • Better brain function
  • Improved immunity
  • Extended healthspan
complement plus benefits overall health

Improved Heart Health

Several anti-inflammatory and heart-healthy nutrients, including magnesium and omega-3s, work together to support cardiovascular wellness.

Increased Energy

Essential B-vitamins and other vital nutrients in Complement Vitamins target both physical and mental energy enhancement.

Better Brain Function

Multiple omega fatty acids, B12, and complementary vitamins and minerals work to optimize brain function and support cognitive longevity.

Improved Immunity

Complement Essential Vegan Nutrients includes vitamin D and zinc to bolster immune function and overall wellness.

Extended Healthspan

Distinct from lifespan, healthspan measures how long you remain healthy. Complement Vitamins’ formula aims to extend your healthspan, helping you feel better longer.

These benefits sound promising, but how likely are they to occur? Continue reading this Complement Vitamins review to examine the ingredients, their effects, and the supplement’s overall effectiveness for plant-based nutrition support.

Complement Vitamins Ingredients

Complement Essential Vegan Nutrients features 8 main ingredients, organized into “The Big 4” (vitamin B12, vitamin D3, vitamin K2, and omega-3s DHA/EPA) and “The Other Essentials” (iodine, magnesium, selenium, and zinc).

Below is the complete ingredients list with dosages per serving:

  • Vitamin D3 (50mcg)
  • Vitamin K2 (50mcg)
  • Vitamin B12 (300mcg)
  • Iodine (150mcg)
  • Magnesium (200mg)
  • Zinc (8mg)
  • Selenium (50mcg)
  • Algal Oil (1350mg)
complement plus 8 essential ingredients

Vitamin D3

Vitamin D3 functions as a prohormone essential for immune function, hormonal balance, muscle and bone health, and brain function. Many people worldwide struggle with vitamin D deficiency, regardless of their dietary approach.

While research shows supplementation doesn’t always provide benefits for immune, heart, or other health aspects, deficiency definitively increases risk for numerous health problems.

Vitamin K2

Vitamin K2 occurs predominantly in animal foods and select fermented plant foods (like natto and sauerkraut). Many people, especially plant-based eaters, struggle to obtain adequate K2.

This deficiency is concerning since vitamin K2 acts as a potent anti-inflammatory and supports heart, bone, and brain health. Research demonstrates that vitamin K supplementation helps prevent Alzheimer’s, cardiovascular disease, and skeletal problems. It also works synergistically with vitamin D, particularly for bone health.

Vitamin B12

Complement Essential Vegan Nutrients includes vitamin B12, the only vitamin found exclusively in animal foods (in meaningful amounts). This makes B12 supplementation essential for plant-based dieters.

Vitamin B12 proves crucial for energy, brain function, mood, and exercise performance. Deficiency risks include cognitive dysfunction, mental health issues, fatigue, anemia, and more serious complications.

Iodine

Iodine represents another mineral with widespread deficiency. Plant-based eaters can obtain it from vegetables and sea vegetables (especially kelp), but few consume adequate amounts.

Low iodine most commonly impairs thyroid function but can eventually cause additional problems, including decreased cognitive function. Optimal health requires at least 150mg daily.

Magnesium

Complement Vitamins includes magnesium, a vital mineral participating in hundreds of enzymatic reactions. It influences heart health, brain function, sleep, exercise recovery, stress management, and hormonal balance.

While magnesium appears in many plant foods, absorption efficiency suffers due to phytic acid and other antinutrients. Soil quality further affects magnesium levels.

Supplementing with additional magnesium proves beneficial, especially since most people are deficient.

Supplementing with at least 200mg typically works best.

Zinc

Zinc, another crucial mineral, supports hormonal health, inflammation reduction, immune function, and brain health. Like magnesium, zinc absorption from plant foods proves inferior to animal sources, with soil quality adding another variable. Supplementation may benefit many individuals.

Around 7 to 15 mg proves optimal.

Selenium

Selenium, the final mineral in Complement Vitamins, provides anti-inflammatory effects and benefits the immune and endocrine systems.

Like zinc and magnesium, selenium exists in many plant foods but suffers from poor absorption due to antinutrients and variable soil selenium content. Many plant-based dieters consume less selenium than other dietary approaches, making supplementation beneficial.

Most people should target around 75mg daily.

Algal Oil: Fatty Acids and More

Complement Essential Vegan Nutrients’ final ingredient is algal oil, containing various omega fatty acids plus chlorophyll.

DHA and EPA stand as the most important omega fatty acids, found in virtually no plant sources. Complement Vitamins provides both DHA and EPA from algal oil. These omega-3 fatty acids prove vital for brain health, heart health, and inflammation reduction.

The formula also includes omega-6, 7, and 9 fatty acids—less discussed but equally important for health. While omega-6 and other non-omega-3 fatty acids face criticism, they remain essential when properly balanced with other omega fatty acids.

Finally, algal oil’s chlorophyll offers additional health benefits. Rich in antioxidants and anti-inflammatory compounds, chlorophyll serves as a cancer-preventive agent and supports wound healing, among other benefits.

Does Complement Vitamins Work?

Overall, Complement Essential Vegan Nutrients appears to be a solid multi-nutrient supplement for plant-based eaters. It provides key nutrients that many plant-based dieters commonly lack, helping them “close the gaps” and meet daily nutrient requirements.

Complement Vitamins Packaging

The dosages in Complement Essential Vegan Nutrients reach effective levels, though they may not perfectly suit every individual. However, the supplement should help everyone obtain more of what they need.

Many of these nutrients work synergistically—vitamin D with vitamin K, the various omega fatty acids together, and magnesium, zinc, and selenium in combination. Magnesium also plays complementary roles with both vitamin D and K.

Essentially, Complement Vitamins provides essential nutrients to help plant-based eaters achieve nutritional goals while offering health benefits for the heart, brain, muscles, immune system, and overall energy levels.

Claims vs. Reality

With its solid ingredient profile at effective dosages, Complement Vitamins should deliver on its claims. Results depend on individual nutritional status, and benefits vary between users.

Most plant-based eaters should experience improvements in energy, mood, and cognitive function, with longer-term benefits likely emerging for heart health, bone health, and overall wellness.

Complement Essential Vegan Nutrients contains nothing fancy—just nutrients your body needs for optimal function. While it won’t make you feel superhuman, it should help restore your natural vitality.

Complement Vegan Vitamins

Who is Complement Vitamins Best For?

Complement Essential Vegan Nutrients best serves plant-based dieters deficient in the nutrients this product provides. This likely includes most, if not all, plant-based eaters—particularly strict vegans and vegetarians with limited nutritional knowledge.

If you’ve been following a plant-based diet without achieving optimal health, Complement Vitamins deserves serious consideration.

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Is Complement Vitamins Safe?

Complement Vitamins shouldn’t cause major side effects, though it contains relatively high vitamin B12 content, which may trigger nervousness, anxiety, irritability, and related symptoms in sensitive individuals.

Supplementing with any nutrients increases the risk of excessive intake, though the modest amounts in Complement Essential Vegan Nutrients shouldn’t cause concern. Always consult your doctor before starting any supplement regimen.

Other possible side effects include headaches, nausea, and stomach upset.

Complement Vitamins is vegan and cruelty-free, with third-party tested ingredients. It’s free from soy, nuts, yeast, gluten, MSG, GMOs, artificial colors and flavors, additives, fillers, fish, dairy, eggs, and all other animal-sourced ingredients.

Where to Buy Complement Vitamins

You can purchase Complement Essential Vegan Nutrients on the official Complement website here.

Complement Vitamins Website

Complement Essential Vegan Nutrients offers several purchase options: single pouch, 6-month supply, 12-month supply, or subscription. The 6-month and subscription options provide savings opportunities. Below are the pricing details and savings for each option.

Complement Vitamins Pricing:

The subscription option provides 2 weeks free plus 15% off each renewal. Complement also offers a 100-day guarantee, easy cancellation, and free shipping on orders over $95.

Overall, you’ll pay $1.26 to $1.48 per serving of Complement Vitamins, which represents excellent value considering the comprehensive nutrient profile.

Overall Rating:
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Jack Cincotta, MS

Jack Cincotta is a certified holistic health coach through AFPA and a board-certified holistic health practitioner through AADP. He has written hundreds of articles on nutrition and supplementation. Jack has a M.S. degree in Psychology and is passionate about researching the science behind nutrition. He often uses research-backed supplementation protocols for many of his clients to optimize results.