10 Best Vitamin D3 + K2 Supplements of 2026
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Vitamin D supports normal bone health and immune function, and vitamin K2 supports normal bone health. Fat-soluble vitamins build up in the body, so check the IU on the label; the NIH upper limit for vitamin D in adults is 4,000 IU a day. Anyone on warfarin or another blood thinner should talk to their doctor before taking vitamin K.
Thorne Vitamin D + K2
Thorne
Certified liquid or capsule from a heavily certified brand.
- Liquid: 1,000 IU D3 + 200 mcg K2 per 2 drops
- Liquid or capsules
Sports Research Vitamin D3 + K2
Sports Research
Plant-based D3 with K2 in a coconut-oil softgel.
- Vegan D3
- Softgels
NOW Vitamin D-3 & K-2
NOW Foods
Low cost per serving from a large brand.
- D3 + K2 (MK-7)
- Capsules
Pure Encapsulations Vitamin D3 + K2 Liquid
Pure Encapsulations
Minimal-ingredient liquid drops.
- D3 + K2
- Liquid
Nordic Naturals Vitamin D3 + K2
Nordic Naturals
Softgel from a known omega-3 brand.
- D3 + K2
- Softgels
Garden of Life Vitamin Code D3 + K2 Gummy
Garden of Life
For people who won't take softgels.
- 2,000 IU D3 + 100 mcg K2 (MK-7)
- Gummies
Qunol Vitamin D3 + K2
Qunol
Easy to find in pharmacies.
- D3 + K2
- Softgels
Micro Ingredients Vitamin D3 + K2
Micro Ingredients
Large bottles at a low unit price.
- D3 + K2
- Softgels
Life Extension Vitamins D and K with Sea-Iodine
Life Extension
Adds iodine; check if you already take a multivitamin.
- D3 + K1/K2 + iodine
- Capsules
Doctor's Best Vitamin D3 + K2
Doctor's Best
Simple combo at a low price.
- D3 + K2
- Capsules
How we ranked vitamin d3 + k2
Ranked on third-party certification, dose clarity (IU of D3, mcg of K2 as MK-7 or MK-4), form (softgel, liquid, capsule), additives and value.
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Talk to your doctor or pharmacist before starting any supplement, especially if you take medication, are pregnant or nursing, or have a medical condition. See our Medical Disclaimer.