Best Vitamin D Supplements for Adult of 2025

Phoebe Cooper Avatar
Phoebe Cooper
Last Updated: 2 Feb 2025

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Vitamin D supplements are becoming increasingly popular among adults due to their numerous health benefits. Vitamin D is essential for maintaining strong bones, teeth and muscles, as well as supporting a healthy immune system. Many people in the UK have low levels of vitamin D, especially during the winter months when sunlight exposure is limited, making supplements a useful option. There are a variety of vitamin D supplements available on the market, including tablets, capsules, and drops. It is always advisable to consult with a healthcare professional before taking any supplements.

At a Glance: Our Top Picks

WeightWorld Vitamin D Gummies 4000IU Cover #TOP 1
WeightWorld Vitamin D Gummies 4000IU
ftb score rating icon 9.8
Bassetts Vitamins Apple & Raspberry Vitamin D Gummies Cover #TOP 2
Bassetts Vitamins Apple & Raspberry Vitamin D Gummies
ftb score rating icon 9.7
Vita Premium 4,000 IU Vitamin D3 Softgels Cover #TOP 3
Vita Premium 4,000 IU Vitamin D3 Softgels
ftb score rating icon 9.5

Top 9 Vitamin D Supplements for Adult

WeightWorld Vitamin D Gummies 4000IU

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WeightWorld Vitamin D Gummies 4000IU Cover
Vitamin D Gummies Adults 4000IU - Sugar-Free - 4 Months Supply - Natural Lemon Flavour - 120 Chewable Vitamin D3 Gummies - Vegetarian Friendly - High Strength Vitamin D Supplement - GMO & Gluten Free

WeightWorld Vitamin D Gummies provide a delicious and convenient way to meet your daily Vitamin D needs. With each serving delivering 4000IU, these gummies support bone, joint, and immune health, helping you maintain overall well-being. Their natural lemon flavour makes taking your vitamins enjoyable, and as a vegetarian-friendly option, they cater to various dietary preferences. Plus, with 120 chewable gummies in a pack, you'll have a four-month supply, ensuring you stay replenished without fuss.

What We Like
High strength 4000IU dosage
Tasty lemon flavour
Vegetarian and gluten-free
Convenient chewable form
Four-month supply

Bassetts Vitamins Apple & Raspberry Vitamin D Gummies

1213
Raspberry
Bassetts Vitamins Apple & Raspberry Vitamin D Gummies Cover
Bassetts Vitamins Adult Apple and Raspberry Flavour Vitamin D 30 Gummy Pastilles

Bassetts Vitamin D Gummies offer a delicious apple and raspberry flavour, making it easy for you to enjoy your daily vitamin intake. Each gummy contains 25μg of Vitamin D, which supports your immune system and contributes to healthy bones and muscles. Additionally, Vitamin D is beneficial for maintaining healthy teeth. With natural colours and flavours and no added sugar, these gummies are a guilt-free treat that you can enjoy while caring for your health. Made with care in the UK, they provide a convenient way to enhance your wellbeing.

What We Like
Tasty apple and raspberry flavour
Supports immune system health
Helps maintain strong bones
No added sugar
Made in the UK

Vita Premium 4,000 IU Vitamin D3 Softgels

VP-VITD
Vita Premium 4,000 IU Vitamin D3 Softgels Cover
Vitamin D 4,000 IU Softgels, Maximum Strength Vitamin D3 Supplement, 365 Easy to Swallow Tablets - Full Year Supply

The Vita Premium Vitamin D3 provides a robust 4,000 IU of the essential "sunshine vitamin" in each softgel, ensuring you receive the necessary dosage for optimal health. With no artificial ingredients and manufactured in the UK, you can trust the quality of this supplement. Each bottle contains a full year's supply, making it easy to incorporate into your daily routine with just one softgel per day. This product is particularly beneficial for those who may be deficient in Vitamin D, supporting overall health and wellness.

What We Like
High potency of 4,000 IU
No artificial ingredients
Convenient one-a-day dosage
Full year's supply included
Manufactured in the UK

Vitamin D3 Gummies for Immune and Bone Health

NBN-VITD3GUM
Vitamin D3 Gummies for Immune and Bone Health Cover
Vitamin D3 Gummies for Adults 4000 Iu, Helps in Calcium Absorption and Supports Immune System, Bone and Mood, Vegan Vitamin D Gummies Supplement, 60 Gummies

nothing BUT nutrition Gummies are designed to support your overall health. With the backing of nutrition experts, these gummies use authentic ingredients to ensure you receive optimal daily dosages of vitamin D. Each serving delivers a potent 100mcg of bio-optimized vitamin D3, which is absorbed more effectively than traditional vitamin D2. The cleaner formula features natural lemon juice instead of artificial additives, making it a healthier choice for those looking to enhance their vitamin D intake.

What We Like
Expert-approved formula
High-strength vitamin D3
Faster absorption
Natural ingredients
Low sugar content

WeightWorld Vitamin D3 4000 IU Tablets

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WeightWorld Vitamin D3 4000 IU Tablets Cover
Vitamin D3 4000 IU – 400 High Strength Vitamin D Tablets (1+ Year Supply) – Vegetarian Immune System Vitamins - One A Day Vitamin D Supplement - VIT D3 As Cholecalciferol - Made in The UK

The WeightWorld Vitamin D Tablets provide a high-strength dose of 4000 IU, perfect for those not getting enough sunlight. With a supply lasting over a year, you can easily meet your daily Vitamin D needs by taking just one tablet each day. This supplement supports overall well-being, ensuring you get the essential nutrients your busy lifestyle demands. Additionally, it contributes to bone, joint, and immune health, making it a great choice for maintaining your vitality throughout the year.

What We Like
High strength 4000 IU dosage
Vegetarian and gluten-free
Easy to swallow tablets
Long-lasting supply of 14 months
Supports immune and bone health

Vitammies Vitamin D3 Gummies 4000 IU Supply

Vitammies
GD3-B
Vitammies Vitamin D3 Gummies 4000 IU Supply Cover
Vitammies Vitamin D3 Gummies 4000 IU | High Strength Vitamin D Chewable Gummies | 4 Month Supply | Vegetarian, Gluten-Free, Non-GMO, 120 Count, Lemon Flavour | Vitamin D Gummies for Adults

Vitammies Vitamin D Gummies offer a delightful and effective way to incorporate essential vitamin D3 into your daily routine. With a potent dose of 4000 IU, these gummies support strong bones, a healthy immune system, and can help elevate your mood. The delicious lemon flavour ensures that you enjoy every bite, transforming your health regimen into a tasty treat. Plus, with easy-to-take chewables, you can maintain your wellness effortlessly, making it convenient to keep your vitamin D levels topped up, regardless of the weather.

What We Like
High strength vitamin D3
Delicious lemon flavour
Easy to take gummies
Long-lasting 4-month supply

Nuke Nutrition Vitamin D3 Tablets 4000iu

Nuke Nutrition Vitamin D3 Tablets 4000iu Cover
Nuke Nutrition Vitamin D3 Tablets 4000iu | 60 Tablets | Vitamin D High Strength | Vitamin D Tablets | Easy Swallow Vitamin D Supplement for Adults | Maintain Ultra Strong Immune System, Bones & Teeth

Features
HEALTHY BONES, JOINTS & TEETH - Vitamin D3 Is Key To Maintaining Normal Absorption Of Calcium And Phosphorus Which Help To Build Strong Bones, Teeth And Muscle Function. Having Strong Bones, Teeth And Normal Muscle Function Will Make Sure That You Can Go About Your Daily Business As The Best Person You Can Possibly Be. At Nuke Nutrition, We Are Passionate About Ensuring People Have Fulfilling, Healthy And Happy Lives. Take That First Step By Taking Just One Of Our Vitamin D3 Tablets A Day.
IMMUNE & NERVOUS SYSTEM SUPPORT - Vitamin D3 Supports Normal Functioning Of The Immune And Nervous Systems. It Is A Crucial Element In The Process Of Cell Division Which Is Important For Creating New Red And White Blood Cells That Carry Oxygen Around Our Body And Fight Infection. At Nuke Nutrition, We Have Specifically Formulated Our Vitamin D3 Tablets To Absorb Thoroughly In Your Body For Maximum Effect And Chose A 4000iu Dose So You Can Perfectly Meet Your RDA (Recommended Daily Allowance).
PREMIUM QUALITY, SAFE & EASY SWALLOW - Every Tablet Is Subject To Rigorous Quality Standards And Manufacturing Best Practice Checks. With Our Vitamin D3 Tablets, You're Getting A Premium Product Containing Only Pure, Organic And Natural Vitamin D3 As Nature Intended. No Artificial Chemicals, Preservatives Or Filler, Just 100% Vitamin D3 Manufactured In The United Kingdom To Strict Quality Control Standards.
GET YOUR RDA IN ONE TABLET - Each Tablet Contains 4000iu Of Pure Vitamin D3, The Perfect Amount Required Each Day. This Ensures That Within A Second Of Swallowing Each Tablet, You'll Be Meeting Your RDA Of Vitamin D3. Over Time, This Will Augment Your Health, Improve Your Body's Biological Processes And Oil The Cogs Of Your Cognitive Function. Vitamin D3 Is An Essential Nutrient, And With Nuke Nutrition's Vitamin D3 Tablets You Can Make Sure You're Getting 100% Of Your RDA.
AN ESSENTIAL SUPPLEMENT - Vitamin D3 Is Produced By Our Bodies Naturally When We Are Exposed To Sunlight. However, Since It Can Be Difficult To Get Consistent Sun Throughout The Year, We Have Created Our Vitamin D3 Pills Especially To Make Sure That You Meet Your RDA. Vitamin D3 Naturally Occurring Within Our Food Is Not Enough To Meet Our RDA, Especially During The Winter Months. Therefore, It Is Advisable To Take One Tablet Per Day To Enhance Your General Vitality.

SuperSelf Vitamin D3 K2 Liquid Drops

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30 ml (Pack of 1)
SuperSelf Vitamin D3 K2 Liquid Drops Cover
Vitamin D Drops - Vitamin D3 K2 Liquid for Adults High Strength - Vitamin D 4000 IU & Vitamin K2 25mcg - 30ml 600 Drops - Liquid Vitamin D 1000IU per 1 Drop - Vegetarian Supplement with Oil & Orange

SuperSelf Vitamin Drops provide an easy way to boost your health with essential vitamins D3 and K2. Each serving of just four drops delivers a high dose of 4000 IU of vitamin D3 and 25mcg of vitamin K2, supporting your immune system, bones, teeth, and muscles. The liquid format ensures better absorption and can be conveniently added to smoothies or taken directly. Made in the UK with high-quality standards, these vegetarian-friendly drops also feature a pleasant natural orange flavour.

What We Like
High strength dosage
Easy to take drops
Supports bone and immune health
Vegetarian-friendly
British made quality

Nutrivolv Vitamin D 1000IU Tablets, 6 Months Supply

Nutrivolv Vitamin D 1000IU Tablets, 6 Months Supply Cover
Vitamin D 1000IU | 6 Months Supply | 180 Easy-Swallow Vitamin D3 Vegetarian Tablets | High Strength | Immune & Bone Support Supplement | General Health & Wellbeing | 25µg

Nutrivolv Vitamin D Tablets provide a high strength dose of 1000IU of vitamin D3, essential for maintaining your bone health and immune system. The tablets are easy to swallow, making daily supplementation convenient for you. They also enhance calcium absorption, which supports bone density and muscle function. With 180 tablets in each bottle, you have a long-lasting six-month supply to help you stay healthy and well, especially during the colder months.

What We Like
High strength vitamin D3
Supports immune function
Easy to swallow
Vegetarian-friendly
Long-lasting supply
Buying Guide Image

Frequently Asked Questions (FAQs)

The recommended daily amount of vitamin D is 400 international units (IU) for children up to age 12 months, 600 IU for people ages 1 to 70 years, and 800 IU for people over 70 years.

2. Should adults take vitamin D supplements?

Although vitamin D is generally beneficial, there are potential side effects, so supplementation should be used in patients who have low vitamin D levels and who need vitamin D to a normal serum level. Before you stop taking the supplement, make sure you aren't deficient in vitamin D, says rheumatologist Chad Deal, MD.

Editor's Notes

During our vitamin d supplement for adult research, we found 305 vitamin d supplement for adult products and shortlisted 9 quality products. We collected and analyzed 296,711 customer reviews through our big data system to write the vitamin d supplements for adult list. We found that most customers choose vitamin d supplements for adult with an average price of £7.38.

The vitamin d supplements for adult are available for purchase. We have researched hundreds of brands and picked the top brands of vitamin d supplements for adult, including WeightWorld, Bassetts Vitamins, Vita Premium, nothing BUT nutrition, Vitammies. The seller of top 1 product has received honest feedback from 6,535 consumers with an average rating of 4.9.

Written by
Phoebe Cooper Avatar

In 2000, Phoebe Cooper graduated from the University of London as a Pharmacist. She practiced as a Pharmacist for the better part of 2 decades. Phoebe says she has worked in the majority of health sectors and has sufficient accumulated knowledge and experience. In her practice, Phoebe published a series of eBooks, one of which is titled "Good Health Good Living."