Best Supplements for Vitamin D

Vitamin D is a fat-soluble vitamin that improves and supports bone development, teeth, muscles, cardiovascular health, immune function and mental cognition through calcium and phosphorous absorption. While vitamin D can be absorbed naturally through a diet consisting of fatty fish, milk, eggs, and liver, taking a vitamin D supplement will help ensure that the body always has adequate amounts.

There are many health brands that sell vitamin D products as it is cheap to produce and easy to get. Some of these brands outsource production while others produce it in their own facilities. If you are looking for the best vitamin D supplement, choose a company that manufacturers the product itself.

Vitamin D is not only beneficial for improved body functioning, but it is also a cheap supplement that anyone can take. Some popular brands that sell vitamin D include Thorne, Ora Organics, NOW Supplements, Ritual, and BrainMD. While Thorne provides the safest option with it’s NSF certification, all of these trusted brands produce a science-backed product, that is well researched and tested.

1. Thorne Vitamin D-5000 D3

Thorne Vitamin D-5000 D3 is the premiere vitamin D supplement that Thorne offers, aiding in the support of healthy bones, teeth, muscles, cardiovascular health, immune function and improved mental cognition. The vitamin D found within Thorne’s D-5000 supplement is NSF certified, making it the best source of vitamin D on this list.

Thorne Vitamin D 5000 D3
Thorne Vitamin D-5000 D3

The bottle comes with 60 capsules, each of which contains 5,000 IU of vitamin D. With a price of $14.40 to $16 depending on if you buy a subscription, the price tag associated with the Thorne Vitamin D-5000 is low for what you are getting.

To use Thorne Vitamin D-5000 D3, take one capsule of the 5,000 IU vitamin D a day, with eight ounces of water. It is also recommend to take the capsule after having food to prevent any upset stomachs.

While vitamin D is one of the most important supplements to take, even if you are someone that gets adequate sunlight, there are some side effects. Although uncommon, some people experience nausea, poor appetite, weakness in the muscles and disorientation.

Still, if you are considering a vitamin D product, your best bet would be to use a safe product like Thorne. As always, consult with a professional health expert before taking a new supplement.

2. Ora Organics Sol Food Vitamin D

Ora Organics Sol Food High Potency Vitamin D3 + K2 is the vitamin D product that Ora Organics offers. Similarly to Thorne, Ora Organics offers a 5,000 IU vitamin D solution, but theirs is also coupled with vitamin K2 for improved effects.

Alone, vitamin D3 is beneficial on it’s own. However, coupling it with K2 further enhances absorption and amplifies the effects achieved. Also, a major benefit of the K2 is that it improves calcium distribution within your bones.

While Ora Organics is number two on the list based on price and features, there are some benefits that it has over Thorne’s product. These benefits include the fact that the tablet is chewable, made with organic ingredients and plant based. If you are a vegan, consider taking an Ora Organics vitamin D supplement.

The side effects of taking vitamin D and K2 are nausea, poor appetite, weakness and disorientation. The Ora Organics Sol Food Vitamin D is also not NSF certified and contains a few added ingredients. Although these ingredients are organic and safe according to experts, there are better option if you are looking for the cleanest and purest form of vitamin D.

Coming in at just under $20 for 30 chewable tablets, Ora Organics is the second best option for anyone looking to take a vitamin D supplement. Ora Organics is the top product if you need a vegan, plant-based source of vitamin D.

3. NOW Supplements Liquid Vitamin D3

NOW Supplements Liquid Vitamin D3 is the most popular product when it comes to vitamin D supplementation. This family owned and operated company has proven itself as the best budget option for just about any health supplement, including vitamin D.

NOW Supplements Liquid Vitamin D3
NOW Supplements Liquid Vitamin D3

For improved body functioning, such as stronger bones, teeth and muscles, consider taking NOW Supplements vitamin D option. For around $10, you get 360 Softgels, or 72 servings of 5000 IU of vitamin D, the cheapest you’ll find.

Each serving of NOW Supplements Liquid Vitamin D3 should be taken with eight ounces of water. To help prevent side effects of nausea, vomitting and mental fog, it is best to take this supplement after ingesting food as well.

While NOW Supplements is the best budget source of vitamin D3 on the list, it is important to note that each Softgel is 1000 IU of vitamin D3, which is 1/5 the recommended serving. If you are comparing this supplement to Thorne’s 5000 IU vitamin D option, the price is still now only half but at the expense of inferior quality.

4. Ritual Essential for Women 18+

Ritual Essential for Women Multivitamin is a vitamin D supplement that is also a multivitamin. This health cocktail contains vitamin D3, vitamin K2, vitamin B12, Folate, Magnesium, Omega 3, and Boron. Combined, Ritual Essential’s vitamin D multivitamin aids in the best bone development.

While Ritual Essential for Women isn’t just a vitamin D product, a serving size provides 2000 IU of vitamin D. For around $30, Ritual Essential for women is a fairly priced source for vitamin D. Furthermore, the additional vitamins found within will aid the body more than just taking a vitamin D supplement.

Ritual Essential for Women is also a traceable product, third party tested, vegan friendly and Non-GMO. With their smart capsule technology, each capsule will digest slowly in the intestines, further amplifying it’s benefits.

Despite the benefits of Ritual Essential for Women, this product is priced higher than most if you are just seeking a source of vitamin D. Also, the added vitamins and minerals increase the number of side effects that are possible and prevents a larger population from being able to take this product.

5. Garden of Life Vitamin D3

Garden of Life Vitamin D3 is an Amazon’s Choice, climate pledge friendly, clean product option when it comes to vitamin D. This vegetarian option provides 2000 IU of raw whole food vitamin D for under $30.

Garden of Life Vitamin D3
Garden of Life Vitamin D3

In addition to improved body functioning, Garden of Life D3 offers better calcium absorption and improved digestion thanks to it’s raw Lactobacillus probiotics and digestive enzymes. This once daily vitamin is backed by third party certifications, and contains raw organic ingredients.

While Garden of Life is a clean source of vitamin D, and has many health benefits, it is best to consult with a health professional before taking this supplement. Despite the improved bone health, immune health and improved gut microbiome, the same side effects exist; nausea, weakness, brain fog. Also, if you are a child or a pregnant/breastfeeding woman, this product may not be safe.

6. Pure Encapsulation Vitamin D3

Pure Encapsulations Vitamin D3 is a pure ingredient source of vitamin D, each capsule contains the recommended 5000 IU of vitamin D. This bone health supplement is well trusted and rated on Amazon, making it another great source of vitamin D.

With a price tag of around $56, each of the 250 capsules provides adequate vitamin D for over eight months, at under $0.23 a day. In addition to improved bone health, Pure Encapsulation mentions that their vitamin D aids in joint, breast, heart, colon and immune health.

As with all vitamin D supplements, side effects of Pure Encapsulation includes nausea, muscle weakness, and mental fogginess. If you are considering taking vitamin D, whether from Pure Encapsulation or others, consult with a professional health expert beforehand.

7. NatureWise D3

NatureWise Vitamin D3 is a product offered by NatureWise as a one-year supply of all of the vitamin D that a single person would need. Each bottle contains 360 Softgels of 5000 IU of vitamin D which is the recommended dose for vitamin D.

NatureWise offers one of the most popular products on the market, at the most competitive pricing. For just over $10, anyone can experience improved body functioning for a full year. Each serving is encapsulated in Non-GMO and gluten-free cold-pressed olive oil. For best effects, take one capsule with a serving of water, the Softgel will do the rest.

This pure, natural source of vitamin D helps promote better health, but it is not NSF certified which is why price alone shouldn’t be the deciding factor on whether or not to purchase it. Side effects like dizziness, weaken muscles and poor appetite have been reported with NatureWise, so it is best to seek professional medical advice before consuming.

What are the advantages of taking Vitamin D?

The advantages of taking vitamin D is that it enhances the body’s overall functioning through calcium and phosphorous absorption which aids in the development of stronger bones, teeth, and muscles. Vitamin D also enhances the immune system, mental cognition and cardiovascular health.

Who should take Vitamin D?

Vitamin D is safe for everyone as it is found within many foods naturally. However, it is recommended that young children, as well pregnant or breastfeeding women, take a smaller dose. If you fall within this category, speak with a professional before taking a vitamin D supplement.

What is the recommended intake of Vitamin D?

The recommended intake of Vitamin D is a dosage of 5,000 IU. While the body absorbs vitamin D naturally through some foods, it is safe to take up to 5,000 IU’s.

How much it will cost for Vitamin D supplements?

A vitamin D supplement is a low priced supplement that ranges in price based on ingredients and certifications. Generally, a top of the line vitamin D supplement will cost $0.25 per 5,000 IU, such as Thorne.

What are the brands that sell Vitamin D?

There are many brands that sell vitamin D, these include; Thorne, Ora Organics, NOW Supplements, Ritual, Brain MD, Garden of Life, Pure Encapsulation, NatureWise, Nature Made, and Sports Research.

Athletic Insight

Athletic Insight Research


The Athletic Insight Research team consists of a dedicated team of researchers, Doctors, Registered Dieticians, nationally certified nutritionists and personal trainers. Our team members hold prestigious accolades within their discipline(s) of expertise, as well as nationally recognized certifications. These include; National Academy of Sports Medicine Certified Personal Trainer (NASM-CPT), American College of Sports Medicine (ACSM), National Strength and Conditioning Association (NSCA-CPT), National Academy of Sports Medicine Certified Nutrition Coach (NASM-CNC), International Sports Sciences Association Nutritionist Certification.