Best Oil Vitamin D Supplements of 2025

Elisa Drew Avatar
Elisa Drew
Last Updated: Jan 9, 2025

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Oil Vitamin D supplements are a popular dietary supplement that helps to maintain healthy levels of vitamin D in the body. These supplements are made from high-quality oils that are rich in vitamin D, such as cod liver oil, and are available in liquid or capsule form. Vitamin D is essential for strong bones, healthy immune function, and overall well-being. These supplements are particularly useful for people who don't get enough sunlight exposure or have a vitamin D deficiency. They are easy to take and provide a convenient way to boost vitamin D levels.

At a Glance: Our Top Picks

NatureWise Vitamin D3 5000iu, 200 Count Cover #TOP 1
NatureWise Vitamin D3 5000iu, 200 Count
ftb score rating icon 9.9
Sports Research Vitamin D3 5000IU (125mcg) Softgels Cover #TOP 2
Sports Research Vitamin D3 5000IU (125mcg) Softgels
ftb score rating icon 9.8
NUSAVA Organic Vitamin D3 K2 Drops Cover #TOP 3
NUSAVA Organic Vitamin D3 K2 Drops
ftb score rating icon 9.6

Top 10 Oil Vitamin D Supplements

NatureWise Vitamin D3 5000iu, 200 Count

TB1250-120
Yellow
NatureWise Vitamin D3 5000iu, 200 Count Cover
NatureWise Vitamin D3 5000iu (125 mcg) 200-Day Supply for Immune Support, Healthy Muscle Function, and Bone Health - Non-GMO, Gluten Free in Organic Extra Virgin Olive Oil, (Mini Softgel), 200 Count

NatureWise Vitamin D3 Softgels are essential for healthy bones, teeth, muscle function, and immune system support. Many people lack enough Vitamin D, which is crucial for overall health. These gluten-free and non-GMO softgels are third-party tested for purity. Manufactured in the USA, they meet strict quality standards. Even if the softgels clump together in warm weather, it doesn't affect their quality. Simply shake the bottle to release the clumps.

What We Like
Essential for bone health
Gluten-free & non-GMO
Manufactured in the USA

Sports Research Vitamin D3 5000IU (125mcg) Softgels

Sports Research Vitamin D3 5000IU (125mcg) Softgels Cover
Sports Research Vitamin D3 5000 IU with Coconut MCT Oil - High Potency Vitamin D Supplement for Immune & Bone Support - Non-GMO Verified, Gluten & Soy Free – 125mcg, 360 Liquid Softgels

Sports Research Vitamin D3 5000IU (125mcg) Softgels are a high-potency Vitamin D supplement that helps maintain strong bones by supporting calcium metabolism and a healthy immune system. The product is Non-GMO Verified, gluten-free, and soy-free, and comes in 360 liquid softgels that are easy to swallow. The Vitamin D3 supplement is formulated with organic coconut oil to aid absorption and is made in cGMP compliant facilities in the United States.

What We Like
High-potency Vitamin D supplement
Non-GMO Verified, gluten-free, and soy-free
Formulated with organic coconut oil to aid absorption

NUSAVA Organic Vitamin D3 K2 Drops

1 Fl Oz (Pack of 2)
NUSAVA Organic Vitamin D3 K2 Drops Cover
(2 Pack) Organic Vitamin D3 K2 Drops w MCT Oil Omega 3, 5000 IU, Maximum Strength Vitamin D Liquid 5000 IU, No Fillers, Non-GMO Liquid D3 for Faster Absorption & Immune Support (Pineapple, 2 Fl Oz)

NUSAVA Vitamin D3 K2 Drops offer a powerful blend of essential nutrients in a convenient liquid form. Each dose provides 5000 IU of Vitamin D3 and 120 mcg of Vitamin K2, crucial for supporting your heart, bones, and immune system. The addition of Omega 3 and chia seed oil enhances overall health benefits. Unlike traditional capsules, this liquid supplement is designed for quick absorption, making it easier for your body to utilize these vitamins efficiently. Plus, with no fillers and a delightful pineapple flavor, you can enjoy a natural and effective way to boost your wellness.

What We Like
Fast absorption
Maximum strength formula
No fillers
Pineapple flavor
Organic ingredients

Sports Research Vitamin D3 + K2

Sports Research Vitamin D3 + K2 Cover
Sports Research® Vitamin D3 + K2 with Coconut MCT Oil | Vegan D3 5000 IU with K2 100 mcg for Bone & Immune Health | Vegan Certified, Soy & Gluten Free - 120 Softgels

Sports Research D3 + K2 is a powerful supplement that combines vitamins D3 and K2 for optimal bone and immune health. Vitamin D3 enhances calcium absorption, while K2 ensures that calcium is directed to your bones, preventing potential issues with joints and arteries. With just one small softgel, you get 5000 IU of vegan D3 and 100 mcg of K2, making it easy to support your body’s needs. This vegan formula is made from lichen and fermented chickpeas, ensuring it’s free from animal ingredients and common allergens. Plus, it’s manufactured in a quality-controlled facility, giving you peace of mind.

What We Like
Supports bone health
Boosts immune system
Vegan and allergen-free
Easy-to-swallow mini-softgel

Eagleshine Vitamins Vitamin D3 10,000 IU + K2 MK7 200 mcg Softgels

FETEGT3192
Eagleshine Vitamins Vitamin D3 10,000 IU + K2 MK7 200 mcg Softgels Cover
DEAL SUPPLEMENT Vitamin D3 10,000 IU + K2 MK7 200 mcg, Infused with Virgin Coconut Oil, 250 Softgels, Double Strength Vitamin D & K, Promotes Heart, Bone & Teeth Health - Very Easy to Swallow

Eagleshine Vitamin D3 + K2 Softgels is a max strength vitamin D3 with K2 sunshine vitamin complex. It combines essential fat-soluble vitamins D3 and K2 in its superior menaquinone MK7 form with a healthy coconut oil liquid carrier that is designed to maximize overall absorption. This easily absorbed formula should be taken at least once per day to enjoy its positive benefits, such as creating synergistic support for calcium processing, heart health, bone strength, and immune defense. Each easy-to-swallow mini softgel offers high concentrated vitamins for women and men, providing 10000iu of vitamin D3 complexed with 200mcg of vitamin K2 with every single-serving softgel, and has 180 total servings per bottle. Eagleshine Vitamin D3 + K2 Softgels is created for those who want a little sunshine nutrients in their life without getting burned. Utilizing essential vitamins that work hand-in-hand to maximize their overall benefits to give the body what it needs most. The product is 3rd party lab tested and passed, non-GMO formula. Made without gluten, dairy, eggs, peanuts, soy, wheat, & yeast.

What We Like
Max strength vitamin D3 + K2
Easy-to-absorb formula
Bone, heart, and immune support
#TOP 6

Seeking Health Vitamin D Drops, 2000 IU Liquid Vitamin D3 (as cholecalciferol) per Drop in Pure Olive Oil, Potent Immune System Supplement

VITAD-1OZ-LIQUID-A
1 Fl Oz (Pack of 1)
Seeking Health Vitamin D Drops, 2000 IU Liquid Vitamin D3 (as cholecalciferol) per Drop in Pure Olive Oil, Potent Immune System Supplement Cover
Seeking Health Vitamin D Drops - Bone Health & Immune System Support Supplement - Liquid Vitamin D3 with Olive Oil - 1 oz, 900 Servings

Seeking Health Vitamin D Drops are an easy-to-take supplement that provides targeted support for bone health, immune system, and mood. It uses a low-allergen formula with a pure olive oil base, making it suitable for vegetarians. Free from common allergens, only one drop by mouth is needed to get 2000 IU of liquid vitamin D3 (as cholecalciferol) daily.

What We Like
Easy-to-take 1 drop daily
Low-allergen formula suitable for vegetarians
Free from common allergens
Targeted support for bone health, immune system, and mood
Consistent quality ingredients

Dr. Berg Vitamin D3 K2 with Zinc & MCT Oil Liquid Supplement

HWC-220726
1 Fl Oz (Pack of 1)
Dr. Berg Vitamin D3 K2 with Zinc & MCT Oil Liquid Supplement Cover
Dr. Berg Liquid Vitamin D3 & K2 Supplement with Zinc - for Bone, Teeth, Mood & Immune Health* - Vitamin D3 & K2 Drops for Adults - 1 fl oz

Dr. Berg Vitamin D3 K2 with Zinc & MCT Oil Liquid Supplement is a blend of Vitamin D3, K2, Vitamin E, Zinc, Calcium, Potassium, MCT Oil, and Coconut Oil. It is manufactured in the US and is GMP Certified, ensuring high quality and cleanliness. The supplement is based on extensive research by Dr. Berg, providing natural solutions to everyday health problems. It comes with a 30-day guarantee of satisfaction or a full refund. The natural vanilla mint flavor makes it a delicious addition to your routine.

What We Like
Contains a unique blend of high-quality ingredients for bone & teeth strength, mood, immune & heart health.
Manufactured in the US and is GMP Certified, ensuring high quality and cleanliness.
Based on extensive research by Dr. Berg, providing natural solutions to everyday health problems.
Comes with a 30-day guarantee of satisfaction or a full refund.
Natural vanilla mint flavor tastes delicious.

Sports Research Vitamin D3 10,000 IU

D3PARENT
Sports Research Vitamin D3 10,000 IU Cover
Sports Research Vitamin D3 10,000 IU with Coconut MCT Oil - High Potency Vitamin D Supplement for Immune & Bone Support - Non-GMO Verified, Gluten & Soy Free – 250mcg, 120 Liquid Softgels

Sports Research D3 Supplement is a high-potency Vitamin D product that supports your immune system and bone health. Vitamin D3 helps your body absorb essential minerals for strong bones and teeth. With just one softgel a day, you get the recommended daily dose. The added Coconut MCT Oil ensures optimal absorption of Vitamin D. This product is Non-GMO verified, gluten, and soy-free, providing you with a premium quality supplement. Sports Research D3 Supplement is made in the USA in a cGMP-compliant facility.

What We Like
High potency
Coconut MCT Oil
Premium quality
#TOP 9

Vitamin D3 Supplement - Emulsified High Dose Vitamin D3

S RAW SCIENCE
2 Fl Oz (Pack of 1)
Vitamin D3 Supplement - Emulsified High Dose Vitamin D3 Cover
Liquid Vitamin D Drops - Vitamin D3 10,000 IU for Faster Absorption - Helps Support Strong Bones & Healthy Heart - Vit D3 for Mood & Immune System Function - High Dose D3 Vitamin Sublingual - 2 fl oz

Get your daily dose of Vitamin D3 with this liquid supplement that supports strong bones and healthy heart, enhances mood and immune symptom function. Made with natural plant-based Vitamin D3 oil, this high potency Vitamin D supplement is easy to consume with a sublingual liquid form that has a higher absorption rate compared to powders or capsules. Suitable for men and women following specific diets or lifestyles.

What We Like
Easy-to-use liquid form with higher absorption rate
High potency Vitamin D3 made with natural, plant-based oil
Supports strong bones, healthy heart, enhanced mood and immune symptom function
#TOP 10

S RAW SCIENCE Vitamin D3 + K2 Supplement Drops

S RAW SCIENCE
2 Fl Oz (Pack of 1)
S RAW SCIENCE Vitamin D3 + K2 Supplement Drops Cover
Liquid Vitamin D3 K2 10000 iu & 200 mcg - Vitamin D with MK7 Vitamin K2 Drops - Bone Density & Heart Support Liquid Vitamins for Women & Men, High Absorption Vit K2 D3 Vitamin Supplement - 2 fl oz

S RAW SCIENCE Drops are a high-quality Vitamin D3 and K2 supplement that helps you maintain peak wellness all year round. With the power duo of Vitamin K2 and D3, this supplement is designed to metabolize calcium, which supports bone density and a better immune system. The liquid formula is not only easier to swallow but also helps you get D3+K2 where you need it faster. Additionally, it supports heart wellness while strengthening bones & joints. The non-GMO formula is tailored to support your wellness needs, ensuring that you receive the best quality every time.

What We Like
High-quality formula
Easy to swallow
Supports bone density
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Is oil-based vitamin D better?

Yes, an oil-based formula is better for vitamin D supplementation. Vitamin D3 is fat-soluble, meaning it dissolves in oil. This allows for maximum absorption in the body, ensuring the highest quality and effectiveness of the supplement.

2. What is the best oil for vitamin D?

Fatty fish and cod liver oil are among the best natural sources of vitamin D. These oils contain high levels of vitamin D and can be beneficial for meeting your vitamin D needs.

3. Do you need oil to absorb vitamin D?

Yes, vitamin D is a fat-soluble vitamin, which means it requires a source of fat for optimal absorption. Consuming vitamin D with a source of fat helps ensure its proper absorption and utilization by the body.

4. Which form of vitamin D is best absorbed?

Vitamin D3 (cholecalciferol) is the best form of vitamin D for supplementation. It is the form produced by the skin in response to sunlight exposure and has to go through a conversion process in the liver and kidneys to become its active form (calcitriol).

5. Is liquid vitamin D better than pills?

There is no significant difference in potency and effectiveness between liquid vitamin D and pills. However, liquid vitamin D may be absorbed more quickly since it bypasses the step of disintegration by stomach acid before absorption.

6. What is the most effective way to absorb vitamin D?

Consuming vitamin D with a source of fat can significantly increase absorption. Foods like avocados, nuts, seeds, full-fat dairy products, and eggs are nutritious sources of fat that can enhance the absorption of vitamin D. Additionally, taking vitamin D with a large meal can also help boost absorption.

Editor's Notes

During our oil vitamin d supplement research, we found 24 oil vitamin d supplement products and shortlisted 10 quality products. We collected and analyzed 1,250,446 customer reviews through our big data system to write the oil vitamin d supplements list. We found that most customers choose oil vitamin d supplements with an average price of $20.21.

The oil vitamin d supplements are available for purchase. We have researched hundreds of brands and picked the top brands of oil vitamin d supplements, including NatureWise, Sports Research, NUSAVA, DEAL SUPPLEMENT, Seeking Health. The seller of top 1 product has received honest feedback from 385 consumers with an average rating of 4.7.

Written by
Elisa Drew Avatar

Elisa Drew is a really professional copywriter specializing in baby products with five years of experience working as a pediatrician once. She has published a series of baby books purchased by over thirty thousand people in the United States.