Top 10 Best vit d3 in 2026

Last Updated - 6/8/2026

🏆Best 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

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

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, ever—just 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 facility—because 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 day—naturally.*

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$16.77

$23.95

-30%

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NatureWise

NatureWise Vitamin D3 5000iu (125 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

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

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.

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$14.82

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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, 250 Softgels, 250 Day Supply

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Immune, muscle, teeth and bone health support supplement: contains one 250 count bottle of Nature Made Vitamin D3 2000 IU (50 mcg) Softgels for a 250-day supply
•Nature Made Vitamin D 2000 IU softgels support bone health, teeth health, muscle health, and provide immune support
•These Vitamin D 2000IU softgels help improve calcium absorption and contain 50mcg of Vitamin D 3, the body’s 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 softgel 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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$10.99

$23.69

-54%

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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, 90 Softgels, 90 Day Supply

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•Immune, muscle, teeth and bone health support supplement: contains one 90 count bottle of Nature Made Vitamin D3 2000 IU (50 mcg) Softgels for a 90-day supply
•Nature Made Vitamin D 2000 IU softgels support bone health, teeth health, muscle health, and provide immune support
•These Vitamin D 2000IU softgels help improve calcium absorption and contain 50mcg of Vitamin D 3, the body’s 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 softgel 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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$6.49

$10.99

-41%

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Nature Made

Nature Made Vitamin D3 1000 IU (25 mcg), Vitamin D Supplement for Bone, Teeth, Muscle and Immune Health Support, 300 Softgels, 300 Day Supply

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Immune, muscle, teeth and bone health support supplement: contains one 300 count bottle of Nature Made Vitamin D3 1000 IU (25 mcg) Softgels for a 300-day supply
•Nature Made Vitamin D 1000 IU softgels support bone health, teeth health, muscle health, and provide immune support
•These Vitamin D 1000IU softgels help improve calcium absorption and contain 25mcg of Vitamin D 3, the body’s preferred form of Vitamin D
•Adults, take one Vitamin D3 softgel daily with water and a meal
•Sourced from high-quality ingredients, this Nature Made Vitamin D3 supplement has no color added and no artificial flavors
•#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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$12.47

$19.29

-35%

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Nature Made

Nature Made Vitamin D3 1000 IU (25 mcg), Vitamin D Supplement for Bone, Teeth, Muscle and Immune Health Support, 180 Softgels, 180 Day Supply

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Immune, muscle, teeth and bone health support supplement: contains one 180 count bottle of Nature Made Vitamin D3 1000 IU (25 mcg) Softgels for a 180-day supply
•Nature Made Vitamin D 1000 IU softgels support bone health, teeth health, muscle health, and provide immune support
•These Vitamin D 1000IU softgels help improve calcium absorption and contain 25mcg of Vitamin D 3, the body’s preferred form of Vitamin D
•Adults, take one Vitamin D3 softgel daily with water and a meal
•Sourced from high-quality ingredients, this Nature Made Vitamin D3 supplement has no color added and no artificial flavors
•#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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$8.49

$12.49

-32%

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Micro Ingredients

Micro Ingredients Vitamin D3 10,000 IU + K2 MK-7 200 mcg, 300 Softgels | Virgin Coconut Oil | 2-in-1 Bone, Immune & Heart Support | Easy to Swallow, Non-GMO

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Micro Ingredients double strength 2 in 1 vitamin D3 + K2 coconut oil softgels. An efficiently absorbed formula that contains D3 as cholecalciferol and K2 in its top grade menaquinone (MK7) form.
•Each pouch offers 300 easy to consume mini coconut oil infused softgels. A potent one a day complex that provides natural sunshine vitamin synergy. 10,000 iu Vitamin D3 and 200 mcg vitamin K2 per dose.
•Vitamin D3 + K2 are essential micronutrients for adults that work together to support proper calcium absorption to our bones and teeth, while also promoting joint health, immune defense, and heart function.
•Fat soluble vitamins like D and K are absorbed more completely when a fat source is present. The addition of the healthy MCT coconut oil offers the perfect fat for maximum nutrient bioavailability.
•Premium non-GMO vitamin D3 + K2 supplements. Made without soy, dairy, gluten, preservatives, flavors, and peanuts. Ingredients must pass our 3rd party lab tests to ensure a product that is safe, pure, and potent.

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$26.56

$34.95

-24%

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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

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

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. Nature’s Bounty Vitamin D3 helps support the production of Vitamin D all year long (1)
•NON-GMO FORMULA: Nature’s 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, Nature’s Bounty provides supplements of unsurpassed quality and value

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$9.99

$20.99

-52%

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Nature Made

Nature Made Vitamin D3 5000 IU (125 mcg) Softgels, Extra Strength Vitamin D Supplement for Bone and Immune Health Support, 180 Count, 180 Day Supply

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Immune, muscle, teeth and bone health support supplement: contains one 180 count bottle of Nature Made Extra Strength Vitamin D3 5000 IU (125 mcg) Softgels for a 180-day supply
•Nature Made Vitamin D 5000 IU softgels help improve calcium absorption, support bone health, teeth health, muscle health, and provide immune support
•This high dose Vitamin D 3 product is for those with higher Vitamin D needs and/or deficiency, as determined by a healthcare professional (1)
•Adults, take one Vitamin D3 Nature Made softgel daily with water and a meal
•Sourced from high-quality ingredients, this Nature Made Vit 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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$14.15

$28.99

-51%

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Micro Ingredients

Micro Ingredients Vitamin D3 10,000 IU, 400 Softgels | Virgin Coconut Oil | Cholecalciferol Form | Bone, Immune & Heart Support | Easy to Swallow, Non-GMO

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Micro Ingredients offers efficiently absorbed Vitamin D3 softgels that are infused with healthy coconut oil for enhanced bioavailability. Enjoy essential D vitamins as pure cholecalciferol.
•Each pouch provides a long-lasting supply of 400 easy-to-consume mini softgels. A potent one-a-day formula that contains 10,000IU (250mcg) of Vitamin D3 per serving.
•Vitamin D3 is an essential micronutrient for adults, supporting calcium absorption for strong bones and teeth, as well as promoting immune and heart health for men and women.
•Fat soluble vitamins like D are absorbed more completely when a fat source is present. The addition of healthy coconut oil offers the perfect fat for maximum nutrient bioavailability.
•Premium non-GMO vitamin D3 supplements. Made without soy, dairy, and gluten. Ingredients must pass our 3rd party lab tests to ensure a product that is safe, pure, and potent.

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$19.95

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