12 Best Vitamin D Supplements of 2023, According to Experts


1. MegaFood Vitamin D3 1000 IU Tablets


Vitamin D3 1000 IU Tablets


  • Non-GMO Project Verified
  • Can take on an empty stomach


  • Smell may not be appeal to everyone

These tablets provide 1,000 IU of D3 — which is a good general dose for most people, says Sassos. You can take more if advised by your doctor, but a 1,000 IU tablet lets you take the supplement daily without worrying about consuming too much vitamin D. The manufacturer claims the product has been tested for over 125 substances and is free of gluten, soy and dairy.

Along with the vitamin D in this tablet, you’ll also get a complimentary dose of a nourishing food-and-herb blend, which consists of ingredients including broccoli, carrot, beetroot and parsley leaf. We appreciate that you can take these tablets on an empty stomach and that the product is Non-GMO Project Verified. However, some online customer reviews note the smell could be better, a common complaint with many supplements.

Vitamin D dose1,000 IU
Servings per container60 tablets
Cost per serving~$0.35


2. Kirkland Signature Extra Strength Vitamin D3 50 mcg (2000 IU)


Extra Strength Vitamin D3 50 mcg (2000 IU)


  • Affordable
  • 600 servings per container
  • USP Verified


  • Large container may be difficult to store

For less than $15, you get 600 softgel vitamin D3 supplements that contain 2,000 IU of D3 and are United States Pharmacopeia (USP) verified, meaning it has passed rigorous testing to ensure the quality and purity of the product.

You won’t have to worry about rushing to the store for a refill any time soon since there are a high number of servings per container. It’s also a great option for a family with multiple members who have been advised by their healthcare provider to take vitamin D. However, the container is large, so storing it may be more difficult.

With over 6,700 five-star online reviews, customers are quite satisfied with this supplement. Consumers appreciate the large container size and low cost per serving and note that the size of the supplement itself is easy to swallow. Overall, it’s a quality option that’s ideal if you are shopping on a budget.

Vitamin D dose2,000 IU
Servings per container600
Cost per serving~$0.02