The 5 Best Vitamin D Supplements of 2021

Vitamin D is a fat-soluble vitamin involved in several critical processes in your body, including increase intestinal absorption of calcium, magnesium, and phosphate, and many other biological effects.

Vitamin D also supports immune function, muscle strength, disease prevention, boosts weight loss, reduces depression and mood stability.

Yet, a recent survey found that 41.6% of adults in the US are deficient in vitamin D, this number goes up to 69.2% in Hispanics and 82.1% in African-Americans, people who smoke, those who have little sun exposure or regularly use sunscreen, adults over age 65, and those with obesity or diabetes.

Some people will not get enough vitamin D by poor diet, lack of sun exposure, and malabsorption issues.

As such, many people may wish to supplement with it and you should consider taking a daily supplement containing 10 micrograms of vitamin D throughout the year.

⇒ 5 Super Foods for Osteoporosis Prevention

Here are 5 of the best vitamin D supplements for your dietary needs.

Nordic Naturals Vitamin D3 1,000 IU

Dosage: 1 mini soft gel delivers 1,000 IU (25 mcg) of vitamin D

Nordic Naturals D3 1,000 IU is an excellent product that is budget-friendly, non-GMO, and third-party tested, surpassing the strictest international standards for purity & freshness.

It’s also free of gluten, dairy and contains no artificial colors or flavors.

Vitamin D3 1000 has a great orange flavor, the mini soft-gels are easy to swallow, which is perfect for those who have trouble swallowing pills.

Each soft gel contains 1,000 IU (25 mcg), or 125 percent, of the RDA for vitamin D.

The natural, most easily absorbed and utilized form of vitamin D is encapsulated with organic, extra virgin olive oil, flavored with natural orange, and preserved with rosemary extract.

Pure Encapsulations D3 10,000 IU

Dosage: 1 capsule delivers 10,000 IU (250 mcg) of vitamin D3

For people with a severe vitamin D deficiency, taking a high dose supplement is important.

If you have any health condition or are taking any medication, you may need to consult your consult your health professional before use.

Not to be taken by pregnant or lactating women.

Supplementing with at least 10,000 IU of vitamin D daily (up to five days per week) is recommended for people who have been diagnosed with a deficiency.

Pure Encapsulations is a trusted brand that are FREE FROM many common allergens like wheat, eggs, tree nuts & peanuts, gluten, artificial colors, flavors & sweeteners, coatings and shellacs, GMOs, unnecessary binders, fillers & preservatives, and more.

It’s certified by United States Pharmacopeia (USP), which sets strict, product-specific standards for supplements.

MegaFood Vitamin D3 2,000 IU


Dosage: 1 capsule delivers 2,000 IU (50 mcg) of vitamin D3

Megafood, premium supplements made with real food and added nutrients, is one of the most trusted brands in the supplement industry because of its commitment to transparency.

In order to establish maximum efficacy of this supplement, Megafood combines the vitamin D3 with a Nourishing Food and Herb Blend consisting of organic brown rice, organic parsley leaf, organic broccoli, organic carrot and organic beet root to supply the necessary cofactors that support D3 absorption.

The product is Non-GMO Project Verified, tested for over 125 herbicides and pesticides, and free of dairy, gluten, soy; Certified B Corp; Certified Glyphosate Residue Free; Certified Kosher.

NOW Foods Vitamin D3 5,000 IU


Dosage: 1 capsule delivers 5,000 IU (125 mcg) of vitamin D3

NOW Foods is another excellent supplement brand that makes vitamin D supplements since 1968.

NOW Vitamin D3 soft gels (The gel caps are about 3/8″ long by 1/4″ thick–quite small) supply key vitamin in a highly absorb-able liquid soft gel form and easy to swallow.

NOW Vitamin D3 5000 IU provides highest potency in developing a healthy immune system and maintain strong bones.

NOW Foods Vitamin D3 is NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).

Pure Encapsulations Vitamin D3 (Vegan) Liquid

Dosage: 5 drops delivers 1,000 IU (25 mcg) of Vitamin D3

Many vitamin D3 supplements are derived from fish or sheep’s wool, making them unsuitable for vegans.

Nevertheless, some companies have recently pioneered a vegan-friendly D3 like Pure Encapsulations.

Pure Encapsulations offers a liquid D3 product that’s a plant-based formula made from sustainably harvested lichen.

Pure Encapsulations Vitamin D3 Liquid has convenient, great-tasting liquid formula for easy dispensing.

Pure Encapsulations is a trusted brand that are FREE FROM many common allergens like wheat, eggs, tree nuts & peanuts, gluten, artificial colors, flavors & sweeteners, coatings and shellacs, GMOs, unnecessary binders, fillers & preservatives, and more.

⇒ How to Keep Your Bones Strong as You Age

How to choose Vitamin D3

Before you decide on a vitamin D supplement, it’s a good idea to get your levels tested by a blood test which is the only way to know whether your levels are deficient, insufficient, sufficient, or optimal.

Keep in mind that if you’re severely deficient in vitamin D, your healthcare provider may recommend high dose supplements or injections for a certain period, followed by a daily maintenance dose.

When shopping for vitamin D supplements, it’s important to pay attention to ingredients,’s report found that some supplements contained more than 180 percent more vitamin D than their labels stated, which can increase your risk of an overload.

Additionally, you should check vitamin D bottles for a USP verification seal, which indicates the supplement went through voluntary independent quality testing.

Inline Feedbacks
View all comments
Would love your thoughts, please comment.x