As an Amazon Associate I earn from qualifying purchases. Learn more.

Nature Made Vitamin D3 + K2 Softgels Review: Would Users Buy It Again?

Disclosure: As an Amazon Associate I earn from qualifying purchases. If you buy through links on this page we may earn a commission at no extra cost to you. How this review was made: We did not test this product in person. This verdict is based on our analysis of retailer ratings, a review summary and published commentary on vitamin D and K, all listed at the end of this article. We could not read the Amazon listing, so we relied on Walmart's listing for this product line. Our method.

Depends

Convenient and well rated, but whether you need K2 and this dose is a question for your doctor

The Walmart listing for Nature Made Vitamin D3 + K2 shows 4.5 out of 5 across 245 ratings, and a review summary praises the small softgels and USP and NSF verification. The catch is the science. Science-Based Medicine concludes there is no clear case for routine D3 and K2 co-supplementation, and K2 can interfere with warfarin. A one-a-day pill is easy, but check your dose and need with a clinician.

Check current price on Amazon → Prices and availability change often, so we don't list them here.

Buy it again if you…

  • have been advised by a clinician to take vitamin D and want K2 in the same softgel
  • like small, easy-to-swallow softgels
  • prefer a mainstream brand with third-party verification

Skip it if you…

  • take warfarin or another blood thinner without medical guidance
  • want a flexible dose, since it is one fixed softgel
  • expect proven bone or heart benefits from the combination

This review summarizes user experiences and published research. It is not medical advice. Dietary supplements are not evaluated by the FDA to treat or prevent any disease, and nothing here claims this product does. Check with a doctor or pharmacist before starting a supplement, especially if you are pregnant or nursing, take medication, or have a health condition.

Nature Made Vitamin D3 + K2 combines vitamin D3 and vitamin K2 (100 mcg) in a once-daily softgel. The Walmart listing we read was for a 5000 IU (125 mcg) vitamin D version, and the dose of the exact Amazon variant may differ, so check the label before buying.

We looked at retailer ratings, a review summary and published commentary on vitamin D and K.

What owners say, at a glance

4.5 / 5Walmart average across 245 ratings (5000 IU version)89 written reviews
100 mcgvitamin K2 per softgelOne softgel daily
USPverification stated on the listingReviewer also cites NSF
Convenience
Strongly positive
Customer satisfaction
Mostly positive
Third-party verification
USP stated
Evidence for the combination
Limited
Dose flexibility
Fixed dose

Bars show our editorial summary of how consistently owners praise or complain about each area across all sources — not a lab measurement.

The key details

FormOnce-daily softgel with D3 and K2
Dose on the listing we read5000 IU (125 mcg) vitamin D3 and 100 mcg vitamin K2
VerificationListed as United States Pharmacopeia (USP) Verified; one reviewer also cites NSF
Free fromGluten, artificial flavors and synthetic dyes, per a review summary

What users love

One softgel does both.A ShopSavvy summary calls it a solid choice for an easy D3 and K2 combination.
Small, easy-to-swallow softgels.The same summary praises the size and says the brand is seen as trustworthy.
Solid ratings.The Walmart listing shows 4.5 out of 5 across 245 ratings, and a separate 59-rating page for the 5000 IU size shows 4.7.

What users and experts question

The combination is not proven.Science-Based Medicine says there is no clear case for routine D3 and K2 co-supplementation. Some trials show modest bone density gains, mostly in postmenopausal women with low bone mass, but no large trials show fewer fractures.
Warfarin caution.The same article says vitamin K supplements can reduce warfarin's effectiveness, so anyone on warfarin should keep vitamin K intake consistent and ask their doctor.
Fixed dose and limited data.Reviewers note one pill may not suit people needing different doses, and there is little product-specific clinical data.

How it holds up over time

This is a consumable, so durability is not a concern. The better long-term question is dosage: a higher vitamin D dose is best chosen based on a blood test and your clinician's advice instead of defaulting to the strongest option.

Tips from users

  • Take it with a meal that contains some fat.
  • Check the label dose of the exact version you order.
  • Ask about blood tests for vitamin D before long-term use.

Pros and cons

What owners love

  • Combines D3 and K2 in one small softgel
  • USP verification stated on the listing
  • Trusted mainstream brand
  • Good retailer ratings

What owners complain about

  • Evidence for taking D3 and K2 together is limited
  • Fixed dose with no flexibility
  • K2 can affect warfarin
  • We could not confirm the exact Amazon variant's dose

Other options users compare

These are the options most often compared with the D3 + K2 softgel.

ProductKnown forConsider it if…
Nature Made Vitamin D3 + K2 (this review)D3 and K2 in one softgelA clinician has suggested bothSee on Amazon
Nature Made Vitamin D3 2000 IU
Read our review
Vitamin D3 aloneYou only need vitamin D and want a simpler productSee on Amazon
Standalone vitamin K2 (MK-7) supplementsSeparate K2 you can pair with D3You want to adjust each dose separately with your clinician—

Want a simple D3 and K2 softgel?

Check the exact dose and current sizes on Amazon.

See it on Amazon →

Frequently asked questions

Do I need K2 with vitamin D?

Science-Based Medicine finds no clear case for routine co-supplementation. Ask your clinician.

Is it safe with warfarin?

Vitamin K can reduce warfarin's effect. Ask your doctor or pharmacist before taking it.

Is it third-party verified?

The listing describes it as USP Verified.

Which dose is the Amazon version?

We could not read the Amazon page. Check the label for the dose before you buy.

Sources we analyzed

Figures reflect each source as of October 20, 2026 and may change. We summarize owner feedback in our own words and do not reproduce retailer reviews.