10 Best Vitamin D2 Vs D3 of 2025

Tested and Reviewed: Top 10 Vitamin D2 Vs D3 deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

Editor's Choice

9.7

Sports Research

Sports Research® Vitamin D3 + K2 w/ Coconut Oil - Vegan Vitamin D 5000iu & Mk7 Vitamin K 100mcg for Bone & Immune Support - Vegan Certified · Non-GMO · Soy Free - 60 Softgels

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Editor's bottom line:

“This vitamin d2 vs d3 is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

D3 + K2 TEAMWORK THAT MATTERS: Vitamins D3 and K2 work synergistically to support strong bones, immune health, and proper calcium metabolism.* D3 helps your body absorb calcium, while K2 (as MK-7) guides it to the bones where it belongs.* Together, they form a powerful combo for total-body wellness.*
PLANT-BASED, VEGAN-FRIENDLY FORMULA: Our D3 + K2 supplement uses vegan D3 (cholecalciferol) sourced from lichen and K2 (MK-7) derived from fermented chickpeas, with coconut MCT oil added to support optimal nutrient absorption.* No animal ingredients, everjust effective, science-backed support.*
ONCE-A-DAY IMMUNE & BONE SUPPORT: Each easy-to-swallow softgel delivers 125 mcg (5000 IU) of vegan D3 and 100 mcg of K2 (MK-7)the most bioavailable form of K2. Just one softgel per day helps promote bone health, immune support, and cardiovascular health in both women and men.*
CERTIFIED CLEAN & QUALITY TESTED: Our vitamin D3 and K2 formula is Vegan Certified, Non-GMO Project Verified, and free of carrageenan, gluten, soy, and artificial fillers. Each batch is 3rd-party tested and manufactured in the USA in a cGMP-compliant facilitybecause your health deserves the highest standard.
NUTRITION YOU CAN TRUST: At Sports Research, we craft supplements with ingredients you recognize and results you can feel. Our D3 + K2 softgels deliver plant-based purity, clinical strength, and real transparency, helping you live brighter every daynaturally.*

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Picked by 397 people today

9.5

Vitamatic

Vitamatic Vitamin D2 60 mcg (2400 IU) - Ergocalciferol - 180 Vegetarian Tablets (180 Tablets (Pack of 1)) (1 Bottle)

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Main Highlights

Supports Healthy Bone, Heart & Cardiovascular Function*
Non-GMO formula - Gluten Free
Free of Sugar, Starch, Sodium, Soy, Yeast, Corn, Wheat, Egg, Artificial Color, Flavor & Preservatives.
D2 Vitamin 2400 IU per Vegetarian Tablet - 180 Vegetarian Tablets per Bottle
Made in a the USA GMP Compliant, FDA Registered Facility

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9.5

Nutricost

Nutricost Vitamin D2 Supplement (2000 IU) 240 Capsules - Vegan, Non-GMO, Gluten-Free, Third-Party Tested

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Main Highlights

Essential Support: Whether you're indoors or out, Vitamin D2 plays a crucial role in supporting bone health, immune function, and overall well-being. Incorporate Nutricost Vitamin D2 Supplement into your daily routine and embrace a brighter, healthier you!
240 Capsules: With a generous supply of 240 easy-to-swallow capsules per bottle, you can enjoy the benefits of Vitamin D2 for longer, without the hassle of frequent reordering.
Optimal Dosage: Each serving of Nutricost Vitamin D2 Supplement provides a potent 2000 IU dose, carefully calibrated to help you meet your daily Vitamin D needs and support overall wellness.
Third-Party Tested: Trust is our priority. That's why each batch of our Vitamin D2 Supplement undergoes rigorous third-party testing, guaranteeing quality you can rely on.
Vegan, Non-GMO & Gluten-Free: Crafted with your health in mind, our Vitamin D2 Supplement is made without any genetically modified organisms or gluten and is a vegan product ensuring a clean and worry-free supplement experience.

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9.2

NatureWise

NatureWise Vitamin D3 2000iu (50 mcg) 1-Year Supply for Immune Support, Healthy Muscle Function, and Bone Health - Non-GMO, Gluten Free in Organic Extra Virgin Olive Oil, (Mini Softgel), 360 Count

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Main Highlights

IMMUNE, MOOD, BONE & MUSCLE SUPPORT*: Vitamin D supports healthy bones, muscle function, and a strong immune system.*
NATURALLY-SOURCED, NON-GMO: These Vitamin D3 immune support and bone health supplements* are formulated with a naturally-sourced vitamin D3 ingredient, and are gluten-free and non-GMO. Packaging may vary due to high demand, same great product and ingredients.
IN ORGANIC COLD-PRESSED OLIVE OIL: NatureWise Vitamin D3 is formulated with organic, cold-pressed olive oil that doesn't use heat or hexanes, to enhance the absorption of vitamin D3.*
CONTENTS CERTIFIED NSF: This supplement is NSF-contents certified, which means its contents are thoroughly tested for accuracy and purity. Ingredients are also analyzed for this certification to confirm they match label contents.
USA MANUFACTURED, 3RD PARTY TESTED: All NatureWise supplements are proudly manufactured the USA in facilities that comply to the strictest cGMP standards and undergo rigorous testing by third party labs to ensure the highest quality and purity.
It's normal for softgels to stick together and clump during warm weather conditions. This does NOT affect the quality or efficacy of the product. To release the clumps, give your bottle a good shake or knock it against the counter.

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9.0

Nature Made

Nature Made Vitamin D3 2000 IU (50 mcg), Vitamin D Supplement for Bone, Teeth, Muscle and Immune Health Support, 100 Tablets, 100 Day Supply

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Main Highlights

Immune, muscle, teeth and bone health support supplement: contains one 100 count bottle of Nature Made Vitamin D3 2000 IU (50 mcg) Tablets for a 100-day supply
Nature Made Vitamin D 2000 IU tablets support bone health, teeth health, muscle health, and provide immune support
These Vitamin D 2000IU tablets help improve calcium absorption and contain 50mcg of Vitamin D 3, the bodys preferred form of Vitamin D
Helps slow biological aging of cells; In a clinical study, taking 2000 IU vitamin D3 supplements for 4 years helped prevent leukocyte telomere shortening, preventing the equivalent of approx 3 years of cellular aging compared with placebo in older adults
Adults, take one Vitamin D3 tablet daily with water and a meal
Sourced from high-quality ingredients, this Nature Made Vitamin D3 supplement is gluten free and has no color added and no artificial flavors
United States Pharmacopeia (USP) Verified, #1 Pharmacist Recommended Vitamin & Supplement Brand*
These statements have not been evaluated by the Food and Drug Administration; this product is not intended to diagnose, treat, cure, or prevent any disease

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8.8

Nature's Bounty

Nature's Bounty Vitamin D3 2000 IU | Supports Immune Health, Calcium Absorption & Bone Strength | Essential for Healthy Bones | Non-GMO, No-Gluten | 350 Softgels, 1 Serving Per Day for Daily Health

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Main Highlights

IMMUNE SUPPORT (1): Vitamin D3 is an essential nutrient for immune support. (1) Each serving contains 2000 IU of Vitamin D for immune benefits and may assist the immune system by helping to regulate T and B-lymphocytes (1)
SUPPORTS STRONG BONES (1): In addition to immune support, getting a sufficient amount of Vitamin D is critical to building and maintaining strong bones in adults. (1) It is essential for calcium absorption to help support healthy bones (1)
YEAR-ROUND SUPPORT: Vitamin D3 supplements contain the same form of Vitamin D that is naturally formed in the body through exposure to sunshine. Natures Bounty Vitamin D3 helps support the production of Vitamin D all year long (1)
NON-GMO FORMULA: Natures Bounty Vitamin D3 Softgels are non-GMO, gluten- and sugar-free, and contain no artificial colors or sweeteners
UNSURPASSED QUALITY AND VALUE: Using the latest breakthroughs in nutritional science and the finest ingredients, Natures Bounty provides supplements of unsurpassed quality and value

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8.6

NOW Foods

NOW Supplements, Vitamin D-3 & K-2, 1,000 IU/45 mcg,Plus Cardiovascular Support, Supports Bone Health, 120 veg Capsules

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Main Highlights

SUPPORTS BONE HEALTH*/PLUS CARDIOVASCULAR SUPPORT*: NOW Vitamin D3 & K2 capsules combine two nutrients extensively researched for their contribution to the health of bones, teeth, and the cardiovascular system*
1,000 IU/45 mcg: Recent studies indicate that Vitamin D3 has an important function within the immune system.* Vitamin K is critical for the formation of a healthy, strong bone matrix*
CERTIFICATIONS/CLASSIFICATIONS: Non-GMO, Kosher, Soy Free
GMP Quality Assured: A-rated, third-party certification means that every aspect of the NOW manufacturing process has been examined. Our in-house laboratories are ISO/IEC accredited for laboratory testing including for stability, potency and product formulation.
Founded in 1968 by Elwood Richard, NOW is one of the largest independent, family- and employee-owned manufacturers of natural products

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8.3

Nature's Bounty

Nature’s Bounty Vitamin D3 K2 Supplement, 4000 IU Vitamin D3 plus 100 mcg of Vitamin K Supplements for Adults for Heart & Bone Health Support, 60 Day Supply, 60 Vegetarian Capsules

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Main Highlights

IMMUNE SUPPORT STRONG HEALTHY BONES (1) Our Vitamin D2 and K2 supplement (60-count) helps support the immune system (1)
SUPPORT STRONG HEALTHY BONES With Vitamin D3, a essential nutrient for bone strength,; and Vitamin K2; that supports the function of Vitamin D3 by activating calcium absorption for strong bones (1)
YEAR-ROUND IMMUNE SUPPORT (1) Our Vitamin K2 + D3 capsules provide the same form of Vitamin D naturally produced by your body through sun exposure; providing immune support throughout the year (1)
QUALITY IS OUR PRIORITY Natures Bountys Vitamin D3 + K2 supplement is non-GMO; gluten-free; sugar-free; and free of artificial colors and sweeteners
FROM THE TRUSTED WELLNESS EXPERTS: Natures Bounty K2 + D3 is a product of 50 years of dedication to quality and scientific research to make vitamins and nutritional supplements you can trust

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8.1

Swanson

Swanson Vitamin D Complex with Vitamins D2 & D3 - Complete Sunshine Vitamin Complex for Bone, Dental & Immune Health - Vitamin Supplement (50 mcg, 60 Veggie Capsules)

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Main Highlights

Maintains bone and dental health
Increases calcium absorption and balance
Supports immune system function
Per GMP guidelines set forth by the FDA, most products are formulated for 24 months from the date of manufacture. Liquids and probiotics are formulated for 12 months.
We're control freaks... in a good way For nearly 50 years, Swanson Health has delivered science-backed health products worldwide. In 1969, we began in Fargo, ND, with a mission to offer wellness solutions that help people live simply healthier together. Our facilities are Good Manufacturing Practice (GMP) certified, and our purity and potency testing includes independent third-party labs. Clinical research, scientific consensus and usage traditions guide our innovation.

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8.1

VEV

VEV Vitamin D3 K2 10,000 IU Magnesium Supplement – with Vitamin D and K (MK-7), Magnesium Glycinate & Malate, Zinc Citrate – 300 Softgels for Energy, Bone & Muscle Support

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Main Highlights

Vitamina D3 con K2 + Magnesium: Our d3 k2 vitamin 10,000 iu supplement provides 10,000 iu of vitamin d3 and 200 mcg of k2 (as mk-7), with added magnesium (from glycinate and malate) and zinc citrate. This k2 d3 vitamin supplement supports calcium absorption, bone health, and daily energy. Magnesium plays a key role in activating vitamin d3, making it suitable for adults with low sun exposure or those seeking consistent vitamin d support
Scientifically Synergistic Formula: This vitamin d3 k2 magnesium formula works in synergyd3 supports calcium utilization, k2 helps guide it to bones and teeth, and magnesium helps activate d3. Infused with coconut oil, this d3 k2 vitamin 10000 iu magnesium supplement supports the utilization of fat-soluble nutrients without the need to add extra fats. A science-based blend designed to support energy levels and daily wellness
Added Magnesium to Activate D3: Unlike basic vitamin D3 K2 supplements, we include magnesium glycinate and malate. Without enough magnesium, vitamin D3 remains inactive in the body. Magnesium not only helps activate D3 but also supports focus and physical comfort. Coconut oil further supports absorption
Pure Formula, Gentle and Convenient: Our vitamina d3 con k2 magnesium softgels feature a clean, plant-based formula that is vegan-friendly, dairy-free, and gluten-free, with vitamin D3 sourced from lichen. Made without artificial colors or preservatives, each mini softgel is easy to take and travel-friendly for everyday use
100-Day Long-Term Support: This d3 k2 magnesium vitamin supplement contains 300 softgels per pouch, providing up to 100 days of supportjust 3 softgels per day. Ideal for those with limited sun exposure or increased vitamin d3 needs, it delivers 10,000 IU of vitamin d3 per serving. This formula is intended for individuals with significant vitamin d deficiency or specific health needs. Please use under professional guidance and monitor your vitamin d and calcium levels as needed

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Our Best Overall Choice

Best Choice

9.7

Sports Research

Sports Research® Vitamin D3 + K2 w/ Coconut Oil - Vegan Vitamin D 5000iu & Mk7 Vitamin K 100mcg for Bone & Immune Support - Vegan Certified · Non-GMO · Soy Free - 60 Softgels

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Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

D3 + K2 TEAMWORK THAT MATTERS: Vitamins D3 and K2 work synergistically to support strong bones, immune health, and proper calcium metabolism.* D3 helps your body absorb calcium, while K2 (as MK-7) guides it to the bones where it belongs.* Together, they form a powerful combo for total-body wellness.*
PLANT-BASED, VEGAN-FRIENDLY FORMULA: Our D3 + K2 supplement uses vegan D3 (cholecalciferol) sourced from lichen and K2 (MK-7) derived from fermented chickpeas, with coconut MCT oil added to support optimal nutrient absorption.* No animal ingredients, everjust effective, science-backed support.*
ONCE-A-DAY IMMUNE & BONE SUPPORT: Each easy-to-swallow softgel delivers 125 mcg (5000 IU) of vegan D3 and 100 mcg of K2 (MK-7)the most bioavailable form of K2. Just one softgel per day helps promote bone health, immune support, and cardiovascular health in both women and men.*
CERTIFIED CLEAN & QUALITY TESTED: Our vitamin D3 and K2 formula is Vegan Certified, Non-GMO Project Verified, and free of carrageenan, gluten, soy, and artificial fillers. Each batch is 3rd-party tested and manufactured in the USA in a cGMP-compliant facilitybecause your health deserves the highest standard.
NUTRITION YOU CAN TRUST: At Sports Research, we craft supplements with ingredients you recognize and results you can feel. Our D3 + K2 softgels deliver plant-based purity, clinical strength, and real transparency, helping you live brighter every daynaturally.*

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Deals are Live

Special Amazon deal ends in:

10 Best Vitamin D2 Vs D3 of 2025

Tested and Reviewed: Top 10 Vitamin D2 Vs D3 deals with expert ratings from 8.1 to a perfect 10

Sports Research

Sports Research® Vitamin D3 + K2 w/ Coconut Oil - Vegan Vitamin D 5000iu & Mk7 Vitamin K 100mcg for Bone & Immune Support - Vegan Certified · Non-GMO · Soy Free - 60 Softgels

Editor's bottom line:

Main Highlights

Vitamatic

Vitamatic Vitamin D2 60 mcg (2400 IU) - Ergocalciferol - 180 Vegetarian Tablets (180 Tablets (Pack of 1)) (1 Bottle)

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Nutricost

Nutricost Vitamin D2 Supplement (2000 IU) 240 Capsules - Vegan, Non-GMO, Gluten-Free, Third-Party Tested

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NatureWise

NatureWise Vitamin D3 2000iu (50 mcg) 1-Year Supply for Immune Support, Healthy Muscle Function, and Bone Health - Non-GMO, Gluten Free in Organic Extra Virgin Olive Oil, (Mini Softgel), 360 Count

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Nature Made

Nature Made Vitamin D3 2000 IU (50 mcg), Vitamin D Supplement for Bone, Teeth, Muscle and Immune Health Support, 100 Tablets, 100 Day Supply

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Nature's Bounty

Nature's Bounty Vitamin D3 2000 IU | Supports Immune Health, Calcium Absorption & Bone Strength | Essential for Healthy Bones | Non-GMO, No-Gluten | 350 Softgels, 1 Serving Per Day for Daily Health

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NOW Foods

NOW Supplements, Vitamin D-3 & K-2, 1,000 IU/45 mcg,Plus Cardiovascular Support*, Supports Bone Health*, 120 veg Capsules

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Nature's Bounty

Nature’s Bounty Vitamin D3 K2 Supplement, 4000 IU Vitamin D3 plus 100 mcg of Vitamin K Supplements for Adults for Heart & Bone Health Support, 60 Day Supply, 60 Vegetarian Capsules

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Swanson

Swanson Vitamin D Complex with Vitamins D2 & D3 - Complete Sunshine Vitamin Complex for Bone, Dental & Immune Health - Vitamin Supplement (50 mcg, 60 Veggie Capsules)

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VEV

VEV Vitamin D3 K2 10,000 IU Magnesium Supplement – with Vitamin D and K (MK-7), Magnesium Glycinate & Malate, Zinc Citrate – 300 Softgels for Energy, Bone & Muscle Support

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Our Best Overall Choice

Sports Research

Sports Research® Vitamin D3 + K2 w/ Coconut Oil - Vegan Vitamin D 5000iu & Mk7 Vitamin K 100mcg for Bone & Immune Support - Vegan Certified · Non-GMO · Soy Free - 60 Softgels

Editor's bottom line:

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Deals are Live

NOW Supplements, Vitamin D-3 & K-2, 1,000 IU/45 mcg,Plus Cardiovascular Support, Supports Bone Health, 120 veg Capsules