If you’ve ever felt the nagging fatigue of a winter slump or worried about your bone health, you know vitamin D3 and K2 work together like a dynamic duo, supporting calcium absorption while keeping it out of the arteries.
Yet the market is flooded with countless formulas, varying dosages, and mixed‑quality ingredients, making it hard to know which bottle truly delivers the benefits you need.
That’s why picking the right D3 + K2 supplement matters—not just for your joints and heart, but for overall vitality and peace of mind.
In this guide we’ve sifted through the hype, tested the top contenders, and compiled a curated list of the ten best D3 K2 supplements, so you can make an informed choice with confidence.
10 Best D3 K2 Supplements – Top Picks for Health
We’ve evaluated each formula for potency, purity, and value, so you can confidently choose the supplement that best supports your bone and heart health.
10. VEV Vitamin D3 K2 10,000 IU Supplement
Vitamin D3 K2 10,000 IU with Magnesium is a science‑backed blend designed to boost energy, bone strength, and muscle comfort. Each serving (3 softgels) delivers 10,000 IU of vegan‑derived D3, 200 µg of MK‑7 K2, and a synergistic dose of magnesium glycinate + malate plus zinc citrate.
The formula leverages coconut oil to improve the uptake of these fat‑soluble nutrients, while magnesium activates D3 for optimal calcium utilization.
Ideal for adults with limited sun exposure or higher vitamin D needs, the gentle, plant‑based softgels are dairy‑free, gluten‑free, and contain no artificial colors or preservatives.
With 300 softgels per pouch, you get a 100‑day supply of consistent support for daily wellness, focus, and physical comfort. Use under professional guidance and monitor vitamin D and calcium levels as needed.
| Spec | Detail |
|---|---|
| Form | Softgel (mini) |
| Servings per pouch | 100 (3 softgels / day) |
| Vitamin D3 | 10,000 IU (lichen‑derived) |
| Vitamin K2 (MK‑7) | 200 µg |
| Magnesium | Glycinate + Malate (activates D3) |
| Zinc | Citrate (supporting bone metabolism) |
| Carrier oil | Coconut oil (enhances absorption) |
| Vegan / Gluten‑free / Dairy‑free | Yes |
| Additives | No artificial colors or preservatives |
Pros
- Synergistic trio – D3, K2, and magnesium work together for superior calcium handling and bone health.
- High‑potency yet convenient – 10,000 IU per serving in just three easy‑to‑swallow softgels.
- Clean, plant‑based formula – vegan, gluten‑free, dairy‑free, and free from synthetic additives.
Cons
- Potent dose – 10,000 IU may be excessive for individuals without a confirmed deficiency; professional guidance is advised.
- Three‑softgel daily regimen – may be less convenient for those preferring a single‑pill dose.
9. Micro Ingredients Vitamin D3 5,000 IU + K2 MK-7
Micro Ingredients Vitamin D3 5,000 IU + K2 MK‑7 100 mcg delivers a potent, once‑daily “sunshine‑plus” complex in 300 ultra‑mini softgels that are easy to swallow.
Each softgel pairs the bone‑supporting, immune‑boosting power of 5,000 IU vitamin D3 with 100 mcg of the vascular‑health champion vitamin K2 (MK‑7), a stable, bio‑available form that works synergistically with D3 to guide calcium to the right places.
The formula is free from GMOs, dairy, soy, tree nuts, gluten, preservatives, artificial colors, and flavors, and it’s verified by a third‑party lab for purity and safety.
Even if warm weather causes the softgels to clump, a quick shake or gentle tap restores them—no loss of potency. Ideal for adults seeking an extra‑strength, convenient way to support bone density, cardiovascular health, and overall immunity without compromising on clean‑label standards.
| Key Spec | Detail |
|---|---|
| Softgels per bottle | 300 mini softgels |
| Vitamin D3 per serving | 5,000 IU (≈125 µg) |
| Vitamin K2 (MK‑7) per serving | 100 µg (≈100 mcg) |
| Formulation | Non‑GMO, Gluten‑Free, Dairy‑Free |
| Allergen info | No soy, no tree nuts, no artificial additives |
| Testing | 3rd‑party lab tested for purity & safety |
| Recommended use | 1 softgel daily (or as advised) |
Pros
- High‑potency synergy: 5,000 IU D3 + 100 µg K2 (MK‑7) provides clinically relevant doses for bone and cardiovascular support.
- Clean label: No GMOs, gluten, dairy, soy, nuts, preservatives, colors, or flavors—suitable for most restrictive diets.
- Convenient dosing: 300 mini softgels mean a tiny, easy‑to‑swallow capsule each day with a full year’s supply.
Cons
- Softgel clumping: Warm climates can cause softgels to stick together; a shake or tap is required to separate them.
- Single‑dose format: The extra‑strength dosage may be more than needed for individuals with lower vitamin D requirements, so consulting a healthcare professional is advised.
8. Sports Research Vitamin D3 + K2 Softgels
Sports Research® Vitamin D3 + K2 with Coconut Oil delivers a potent, plant‑based blend that works together to keep your bones strong, your immune system ready, and calcium in the right place.
Each vegan softgel packs 5,000 IU (125 µg) of D3 sourced from lichen and 100 µg of MK‑7 K2 derived from fermented chickpeas, all suspended in coconut MCT oil for optimal absorption.
The D3 helps your body pull calcium from the gut, while K2 acts like a traffic controller, steering that calcium to bone and away from arteries. One softgel a day is all you need for daily support, and the formula is free from soy, gluten, carrageenan, and artificial fillers.
Certified Vegan, Non‑GMO Project Verified, and third‑party tested, this supplement meets the highest quality standards, so you can feel confident you’re giving your body clean, science‑backed nutrition.
| Specification | Detail |
|---|---|
| Vitamin D3 (lichen) | 5,000 IU (125 µg) per softgel |
| Vitamin K2 (MK‑7, chickpeas) | 100 µg per softgel |
| Carrier oil | Coconut MCT oil |
| Softgel count | 30 (1‑month supply) |
| Certifications | Vegan Certified, Non‑GMO Project Verified |
| Free from | Soy, gluten, carrageenan, artificial fillers |
| Manufacturing | USA, cGMP‑compliant, third‑party tested |
Pros
- Synergistic D3 + K2 combo maximizes calcium utilization for bone and cardiovascular health.
- Fully plant‑based (lichen D3, fermented chickpea K2) – ideal for vegans and those avoiding animal‑derived ingredients.
- One‑a‑day softgel with MCT oil ensures high bioavailability and convenient dosing.
Cons
- May not be suitable for individuals with a known allergy to coconut or chickpeas.
- The 30‑softgel bottle provides a one‑month supply, which could be a higher upfront cost compared to larger bulk options.
7. Nutricost Vitamin K2 Plus D3 120 Softgels
Nutricost’s Vitamin K2 (MK‑7) + Vitamin D3 softgels deliver a powerful, synergistic blend designed to support bone health, cardiovascular function, and immune resilience.
Each of the 120 softgels packs 100 µg of the highly bioavailable MK‑7 form of K2 alongside 5,000 IU of D3, ensuring optimal calcium metabolism and absorption.
The formula is non‑GMO, gluten‑free, and manufactured in a GMP‑compliant, FDA‑registered facility, giving you confidence in purity and potency.
Ideal for daily supplementation, this bottle provides a full three‑month supply, making it a convenient, cost‑effective way to maintain optimal levels of these essential nutrients without compromising on quality or safety.
| Specification | Detail |
|---|---|
| Servings per bottle | 120 |
| Vitamin K2 (MK‑7) per serving | 100 µg |
| Vitamin D3 per serving | 5,000 IU |
| GMO status | Non‑GMO |
| Gluten status | Gluten‑Free |
| Manufacturing | GMP‑compliant, FDA‑registered facility |
Pros
- High‑potency synergy: Combines clinically effective doses of K2 (MK‑7) and D3 for superior calcium utilization.
- Long‑lasting supply: 120 softgels provide three months of daily dosing, reducing refill frequency.
- Clean label: Non‑GMO, gluten‑free, and produced in a regulated facility for peace of mind.
Cons
- Large D3 dose: 5,000 IU may be excessive for individuals already meeting their vitamin D needs; consult a healthcare professional.
- Softgel size: May be difficult for users with swallowing challenges.
6. Dr. Berg D3 & K2 10,000 IU Capsules
Vitamin D3 & K2 by Dr. Berg delivers a powerhouse blend that works on three fronts—immune defense, bone strength, and heart health.
Each capsule packs 10,000 IU of vitamin D3 paired with MK‑7 (vitamin K2), magnesium, zinc, and vitamin B6, creating a synergistic 7‑in‑1 formula that maximizes absorption without any maltodextrin, starch, gluten, or unnecessary additives.
Developed by Dr. Eric Berg, D.C., the supplement is manufactured in a cGMP‑certified U.S. facility and undergoes four rounds of third‑party lab testing for purity and safety, so you can trust exactly what you’re putting into your body.
One capsule a day provides 120 days of clean, science‑backed nutrition—no complicated schedules, just reliable support for everyday wellness.
| Specification | Detail |
|---|---|
| Form | Softgel capsule |
| Servings per bottle | 120 (1 capsule / day) |
| Vitamin D3 | 10,000 IU per capsule |
| Vitamin K2 (MK‑7) | 100 µg per capsule* |
| Magnesium & Zinc | Balanced blend for optimal uptake |
| Vitamin B6 | Included for metabolic support |
| Fillers & Additives | None (no maltodextrin, starch, gluten) |
| Certification | Non‑GMO, cGMP, USA‑made, 4× lab‑tested |
Pros
- Triple‑action support – boosts immunity, bone density, and cardiovascular health in one dose.
- Clean, high‑absorption formula – no fillers or common allergens; optimized for maximum bioavailability.
- Rigorous quality control – four layers of lab testing guarantee purity and safety.
Cons
- High potency – 10,000 IU may be excessive for individuals already meeting their vitamin D needs; consult a healthcare professional.
- Limited MK‑7 disclosure – exact dosage isn’t listed on the label, which may be a concern for those tracking precise intake.
5. Dr. Berg Vitamin D3 & K2 5,000 IU
A powerful, all‑in‑one daily capsule delivers the exact nutrients your immune system, bones, and heart crave.
Each softgel blends 5,000 IU of vitamin D3 with the cardiovascular‑boosting MK‑7 form of vitamin K2, plus magnesium, zinc, and vitamin B6 to promote calcium metabolism, cellular immunity, and vascular health.
Formulated by Dr. Eric Berg, D.C., the 7‑in‑1 recipe is stripped of maltodextrin, starch, gluten, and unnecessary additives, so you get clean, clinically studied ingredients in a single, easy‑to‑swallow dose.
Every batch is run through four layers of lab verification—including third‑party heavy‑metal testing—to guarantee purity and potency.
Made in a cGMP‑certified U.S. facility, the supplement is non‑GMO and free of fillers, giving you reliable, science‑backed support for 60 days with just one capsule a day.
| Specification | Detail |
|---|---|
| Vitamin D3 | 5,000 IU per capsule |
| Vitamin K2 (MK‑7) | 100 µg |
| Magnesium | 100 mg (as magnesium citrate) |
| Zinc | 15 mg (as zinc picolinate) |
| Vitamin B6 | 5 mg |
| Capsules per bottle | 60 |
| Dosage | 1 capsule daily |
| Quality | 4× lab‑tested, non‑GMO, cGMP, USA‑formulated |
Pros
- Comprehensive 7‑in‑1 formula covers immunity, bone density, and heart health in one capsule.
- Clean, filler‑free composition eliminates common allergens and unnecessary carbs.
- Rigorous 4‑step lab testing ensures purity, potency, and safety.
Cons
- High potency (5,000 IU D3) may be excessive for individuals already supplementing heavily; consult a healthcare professional.
- Only 60‑day supply per bottle, which may be less convenient for long‑term users seeking bulk pricing.
4. Nature Made Vitamin D3 K2, 5000 IU Supplement
Nature Made’s Vitamin D3 + K2 softgels combine a potent 5,000 IU (125 µg) of vitamin D3 with 100 µg of vitamin K2 in a convenient, gluten‑free softgel.
Designed for adults who need a higher daily dose—whether due to limited sun exposure, age‑related changes, or a clinician‑identified deficiency—each capsule supports immune health, bone and teeth strength, and muscle function.
The added K2 helps steer calcium toward the skeleton and away from arteries, promoting cardiovascular wellness while you enjoy the bone‑building benefits of D3.
Made in the USA with globally sourced ingredients, these softgels contain no synthetic dyes or artificial flavors, and the brand is pharmacist‑recommended. Take one softgel with water each day for a full 30‑day supply and feel confident that you’re supporting healthy aging from the inside out.
| Key Spec | Detail |
|---|---|
| Form | Softgel |
| Count per bottle | 30 (30‑day supply) |
| Vitamin D3 per softgel | 5,000 IU (125 µg) |
| Vitamin K2 per softgel | 100 µg (MK‑7) |
| Recommended use | 1 softgel daily with water |
| Gluten‑free | Yes |
| Synthetic dyes/flavors | None |
| Made in | USA (global quality ingredients) |
Pros
- High‑potency D3 meets the needs of those with higher vitamin D requirements.
- K2 synergy directs calcium to bones, enhancing bone density and arterial health.
- Clean formula: gluten‑free, no artificial colors or flavors, and pharmacist‑recommended.
Cons
- May be excessive for individuals with adequate sun exposure or lower D3 needs; consulting a healthcare professional is advised.
- Single‑dose format may not suit those who prefer chewable or liquid supplements.
3. Pure Encapsulations Vitamin D3 & K2 120 Capsules
Pure Encapsulations Vitamin D3 & K2 is a science‑backed blend designed to keep you moving confidently from the inside out.
Each soft‑gel delivers a potent 4,000 IU of vitamin D3 paired with vitamin K2, a duo that works synergistically to optimize calcium handling—promoting strong, mineralized bone while steering calcium away from arteries for flexible, healthy vessels.
The formula also bolsters immune defenses, especially during seasonal shifts, and is crafted without gluten, common allergens, artificial additives, or GMOs.
Sourced from trusted suppliers and rigorously tested for purity, these 120 capsules provide a clean, reliable daily dose that fits seamlessly into any wellness routine, supporting bone integrity, vascular function, and overall immune resilience.
| Specification | Detail |
|---|---|
| Vitamin D3 | 4,000 IU per capsule |
| Vitamin K2 | Included (MK‑7) |
| Quantity | 120 soft‑gel capsules |
| Gluten Free | Yes |
| Non‑GMO | Yes |
| Allergen Free | No common allergens |
Pros
- Enhances calcium absorption for stronger bones.
- Supports arterial flexibility and proper calcium distribution.
- Provides a high‑dose immune boost in a single daily capsule.
Cons
- May be stronger than needed for individuals with sufficient sunlight exposure; consult a healthcare professional.
- No specific MK‑7 dosage listed, which could be a consideration for those tracking exact K2 intake.
2. Micro Ingredients Vitamin D3 K2 300 Softgels
Micro Ingredients’ 2‑in‑1 Vitamin D3 + K2 softgels pack a powerhouse of sunshine‑vitamin synergy in a tiny, easy‑to‑swallow capsule.
Each of the 300 mini softgels is infused with virgin MCT coconut oil, the ideal fat carrier that boosts the absorption of the fat‑soluble nutrients.
One softgel delivers a clinically potent 10,000 IU of vitamin D3 (cholecalciferol) paired with 200 µg of premium MK‑7 (menaquinone‑7) – the most bioavailable form of vitamin K2.
This combination supports calcium metabolism, bone health, cardiovascular function, and immune resilience, all while being non‑GMO, gluten‑free, and free from soy and dairy.
Every batch undergoes third‑party testing for purity and potency, ensuring you get a clean, stable, and effective daily dose without any unnecessary fillers.
| Specification | Detail |
|---|---|
| Servings per pouch | 300 softgels |
| Vitamin D3 | 10,000 IU (250 µg) per softgel |
| Vitamin K2 (MK‑7) | 200 µg per softgel |
| Carrier oil | Virgin MCT coconut oil |
| Form | Mini softgel, easy‑swallow |
| Allergen‑free | Non‑GMO, gluten‑free, soy‑free, dairy‑free |
Pros
- Maximum absorption – MCT coconut oil enhances bioavailability of both vitamins.
- Clinically strong dose – 10,000 IU D3 + 200 µg K2 supports bone, heart, and immune health.
- Clean label – No soy, dairy, gluten, and verified by third‑party labs.
Cons
- High potency – May be excessive for individuals with adequate sunlight exposure; consult a healthcare professional.
- Mini softgel size – Though designed for easy swallowing, very sensitive users might still find it slightly firm.
1. Sports Research Vitamin D3 + K2 Softgels
Sports Research® Vitamin D3 + K2 blends plant‑based D3 (5000 IU) with the most bioavailable form of K2, MK‑7 (100 µg), in a coconut‑oil softgel that’s easy to swallow once a day.
The lichen‑derived D3 boosts calcium absorption while fermented‑chickpea MK‑7 directs that calcium to the skeleton, supporting strong bones, immune resilience, and cardiovascular health.
Coconut MCT oil enhances nutrient uptake, and the formula is completely vegan, non‑GMO, soy‑free, and free of carrageenan, gluten, and artificial fillers.
Manufactured in a cGMP‑compliant U.S. facility and third‑party tested, each of the 60 softgels offers clean, clinically potent nutrition you can trust for daily wellness.
| Key Specification | Detail |
|---|---|
| Vitamin D3 (cholecalciferol) | 5000 IU (125 µg) |
| Vitamin K2 (MK‑7) | 100 µg |
| Softgels per bottle | 60 |
| Source of D3 | Lichen (vegan) |
| Source of K2 | Fermented chickpeas (MK‑7) |
| Carrier oil | Coconut MCT oil |
| Certifications | Vegan Certified, Non‑GMO Project Verified |
| Free from | Soy, gluten, carrageenan, artificial fillers |
Pros
- Synergistic D3 + K2 combo maximizes calcium utilization for bone and heart health.
- Fully plant‑based – no animal ingredients, suitable for vegans and vegetarians.
- Clean label – non‑GMO, soy‑free, and third‑party tested for purity and potency.
Cons
- May not be ideal for those who prefer a chewable or powder format.
- Individuals on blood‑thinners should consult a healthcare professional due to the K2 content.
Buying Guide
When choosing the best vitamin D3‑K2 supplement, focus on the potency, purity, and how well the two nutrients work together to support bone and cardiovascular health.
Key Factors Buyers Should Consider
Quality
Look for products manufactured in GMP‑certified facilities and verified by third‑party labs for potency and contaminants.
High‑quality D3 (cholecalciferol) and K2 (MK‑7) sources ensure consistent dosing and minimal heavy‑metal or allergen risk. Transparent labeling and clear expiration dates further demonstrate a brand’s commitment to safety and reliability for consumers everyday.
Ingredient Profile
Choose a supplement that combines vitamin D3 with the MK‑7 form of K2, as MK‑7 stays active longer in the bloodstream. Look for natural, plant‑derived K2 (e.g., natto) and vitamin D3 sourced from lichen or fish oil for optimal absorption.
Avoid synthetic fillers, artificial colors, and unnecessary additives in the formula.
Shelf Stability
Check that the product uses a stable, oil‑free matrix or includes protective antioxidants to prevent oxidation of D3 and K2 over time. Proper packaging—such as amber glass bottles with airtight seals—extends shelf life and maintains potency.
A clear “best‑by” date ensures you consume the supplement while it remains effective.
Price & Value
Evaluate cost per serving rather than the total bottle price; a higher upfront cost may deliver more milligrams of each nutrient, offering better value. Look for bulk discounts, subscription savings, or money‑back guarantees.
Remember that extremely cheap options often compromise on purity or third‑party testing, which can diminish overall benefit.
Customer Reviews
Read verified buyer feedback on effectiveness, taste, and any gastrointestinal side effects. Consistently high ratings for improved energy, joint comfort, and bone health suggest a well‑formulated product.
Pay attention to recurring complaints about capsule size or after‑taste, as these practical details can influence daily adherence and overall satisfaction for users.
By weighing quality, formulation, stability, cost, and real‑world feedback, you can select a D3‑K2 supplement that delivers reliable bone and cardiovascular support. Choose a product that aligns with your health goals and budget for consistent, long‑term benefits.
Frequently Asked Questions
What makes a D3 + K2 supplement high‑quality?
Look for vitamin D3 as cholecalciferol, K2 as MK‑7, third‑party testing, no unnecessary additives, and a 1,000 IU–2,000 IU D3 dose per serving.
How much D3 and K2 should I take daily?
A common regimen is 1,000–2,000 IU D3 with 100 µg MK‑7, taken with a meal.
Conclusion
Choosing a high‑quality D3 + K2 supplement can be a simple yet powerful step toward supporting bone health, cardiovascular function, and overall immunity. The best options combine a reliable source of vitamin D3 with the right form of vitamin K2, ensuring optimal absorption and synergistic action.
Look for products that prioritize purity, transparent labeling, and clinically backed dosages, and consider your personal preferences regarding capsule type or added ingredients.
By paying attention to these factors, you can confidently integrate a D3 K2 supplement into your daily routine, reaping the long‑term benefits of balanced nutrient support without unnecessary guesswork.
