Vitamin D3+K2 – The Absorption Company

Vitamin D3+K2

4.94/ 5

4.94 (68)

Engineered for 1.9× more absorption, supporting bone strength, immune function, and cardiovascular protection—even when taken without food.

1 / 0

Clinicians’

Choice

828 clinicians share this without compensation.

Clinicians' Choice

828 clinicians share this on FrontrowMDwithout compensation.

Vitamin D3+K2

4.94/ 5

4.94 (68)

Ingredients ·

Benefits

Engineered for 1.9× more absorption, supporting bone strength, immune function, and cardiovascular protection—even when taken without food.

Steadier energy and a brighter baseline, every day

Stronger bones, sharper mood, immune system that shows up

Absorbs without food, so one capsule fits any routine

Age on your terms, with K2 guiding Calcium to your bones instead of your arteries

1 Bottle

30 Day Supply

$32.00$24.00Save $-8.00

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$24.00/bottle

2 Bottles

60 Day Supply

$64.00$44.80Save $-19.20

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$22.40/bottle Most Popular

3 Bottles

90 Day Supply

$96.00$62.40Save $-33.60

35% off

$20.80/bottle Best Value

Every 30 daysundefined

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Tested by Light Labs in

Dec 2025

13 substances tested for quality

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Part of the Hormone + Metabolism Stack

Berberine, Calm, and Vitamin D3+K2 work together to moderate blood sugar, increase metabolism, and balance hormones.

\ \ Hormone + Metabolism Stack\ \ $99.16$148.00*\ \ Strikethrough price refers to one time purchase\ \ \ 33% off\ \ Add to Cart](/content/products/hormone-metabolism?variant=52218237944097/index.html)

Benefits How to Use What to Expect Experts Ingredients FAQs

Vitamin D3+K2

1 Bottle

1 Month

Add to Cart

Out of Stock

Why Our Vitamin D3 + K2 Works Better.

1.9x Better Absorption

Get high-dose results with just 2,600 IU—more absorbed, less wasted.

Absorbs Without Food

Formulated to not require dietary fat, so you get consistent Vitamin D every day.

Steady Energy & Mood

Helps mood feel lighter and energy more stable—especially in low-sun months.

Stronger Bones

K2 sends calcium into bones, not arteries, for long-term bone health benefits.

Promotes immunity

Better immunity through seasonal shifts and everyday stress.

Less Muscle Fatigue

Feel less worn down after activity with better Vitamin D status.

"I feel like I have more energy and overall feel better since trying this" - Nicole J.

Third Party Tested

Capsoil Enhanced Absorption

Glyphosate Residue-Free

Third Party Tested

Capsoil Enhanced Absorption

Glyphosate Residue-Free

The Science Behind Vitamin D3+K2

Absorption That

Actually Delivers Results

Most supplements only deliver a fraction of what they promise. Our Vitamin D3+K2 is different—powered by Capsoil® nanotechnology, it transforms each nutrient into nano-sized particles your body can actually use.

Daily Use Guidelines

One Vitamin D3+K2 capsule daily delivers a clinically supported foundation that provides effective and consistent benefits you can feel.

Two Vitamin D3+K2 capsules daily recommended to maximize benefits. A higher-input dose designed for those optimizing performance, recovery, and how they feel day to day

1.9x

Increase in Absorption

One capsule.

More power than two.

Capsoil Laboratories. Evaluation of Capsoil® Vitamin D₃ Nano-Powder vs. Unformulated Oil-Based Vitamin D₃. Internal Study Report; Capsoil Laboratories, 2023

How Vitamin D3+K2 Transforms

Your Wellness Over Time.

How Vitamin D3+K2 Transforms

Your Wellness Over Time.

Month 1

Month 2

Month 3

Month 1

More consistent energy and mood.
Fewer aches, better muscle recovery.
Stronger immune responsiveness.

Month 2

Noticeably stronger bones and joints.
Improved physical stability and balance.
More resilient stress and mood response.

Month 3

Long-term bone strength confidence.
Improved cardiovascular peace of mind.
Feeling supported as you age.

Combines Well With

\ \ DEEP SLEEP + RECOVERY\ \ Sold out\ \ \ Add To Cart\ \ \ Full Details\ \ \ Magnesium Glycinate\ \ Immunity & Detox\ \ 4.95/\ 5\ \ \ \ 4.95 (119)\ \ \ $21.00$28.00*\ \ Strikethrough price refers to one time purchase\ \ \ 25% off](/content/products/magnesium-glycinate?variant=52439421976865/index.html)

\ \ CALCIUM & HEART HEALTH\ \ Sold out\ \ \ Add To Cart\ \ \ Full Details\ \ \ Vitamin D3+K2\ \ Mood, Energy, & Calcium Absorption\ \ 4.94/\ 5\ \ \ \ 4.94 (68)\ \ \ $24.00$32.00*\ \ Strikethrough price refers to one time purchase\ \ \ 25% off](/content/products/vitamin-d-k?variant=52489937027361/index.html)

\ \ MANAGE STRESS & CORTISOL\ \ Sold out\ \ \ Add To Cart\ \ \ Full Details\ \ \ Calm\ \ Manage Stress & Cortisol\ \ 4.94/\ 5\ \ \ \ 4.94 (308)\ \ \ $50.25$67.00*\ \ Strikethrough price refers to one time purchase\ \ \ 25% off](/content/products/calm?variant=47789691404577/index.html)

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Backed by Experts.

“The lack of consistency in supplement absorption has been a huge issue in the industry. I am grateful to be part of a team that is dramatically improving the quality and absorption of supplements and botanicals.”

Chief of Pediatric Nephrology at Dartmouth Children’s Hospital

“When it comes to supplementation, bioavailability matters - you want supplements that work. The Absorption Company's commitment to using cutting-edge technology to create highly absorbable supplements -- with results you can feel -- deeply resonates with me."

Holistic Health Coach and Founder of Clean Market

“Given the widespread availability of supplements with limited absorption rates, it is so important to emphasize formulations designed to maximize bioavailability. [The Absorption Company] ensures individuals receive the full spectrum of nutrients they need for optimal well-being.”

IFMCP, DNM, DC

780 clinicians share The Absorption Company on FrontrowMD without compensation. Learn more.

Dr. Chit Wong, MD

Verified clinician

Specialty

Primary care

Years in practice

D3 and K2 promote calcium absorption and bone health over time

I highly recommend this supplement for patients trying to be more mindful of their bone health. Vitamins D3 and K2 are often paired together because they can each contribute to aspects of bone health and maintenance. D3 may support the absorption of calcium into the body, while K2 can help direct that calcium into the bones where it is most needed. Research generally supports these effects. One clinical trial associated vitamins D and K with increased bone mineral density. Another three-year study reported that consistent vitamin K2 supplementation helped to slow age-related bone loss. It’s worth noting that this formula uses a bioactive form of K2 known as MK-7, which can have a longer half-life in the body and may be well-suited for supporting bone density over time.

†

Osteoporosis Interna... +1

2 Sources

Three-year low-dose menaquinone-7 supplementation helps decrease bone loss in healthy postmenopausal women

Osteoporosis International, 2013

Vitamin K Supplement Along with Vitamin D and Calcium Reduced Serum Concentration of Undercarboxylated Osteocalcin While Increasing Bone Mineral Density in Korean Postmenopausal Women Over Sixty-Years-Old

Journal of Korean Medical Science, 2011

Highlights:Bone strengthCalcium absorptionHealthy aging

†This clinician wants to clarify that larger-scale research to support their product claims is still developing. These statements have not been reviewed by the FDA and are not intended to be medical advice.

Customer reviews

4.9

/ 5

70 reviews

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Reviews70

Most recentHighest ratingLowest ratingMost relevantAll ratings1 star2 stars3 stars4 stars5 stars

LOVE THE DIFFERENCE!

Alexis P.

Verified buyer

Absolutely love it! Very noticeable difference in how I feel overall, the benefits are remarkable.

Love this!

Lindsay I.

Verified buyer

Love this product. Feel more steady energy through the day.

FEELING THE DIFFERENCE!

Heather H.

Verified buyer

I’ve been taking this for about 4 weeks now and I can definitely feel the difference in my energy. I didn’t expect to notice any changes especially this soon so I am definitely happy with it. I take the Berberine as well. Love both of them so far!

Feel good necessity

Ayla P.

Verified buyer

I’m super happy with the results! There is no digestive upset and I love how quickly I felt a difference in my energy levels.

So far so good.

Kimberly O.

Verified buyer

I definitely can tell a difference in my mood. 😊

FAQs.

1 / 0

How are your supplements made with up to 149× better absorption?

We uniquely formulate each supplement using a combination of absorption-enhancing technologies, such as liposomes and advanced nano-delivery systems. We don’t rely on a single method. Instead, we select and layer multiple techniques based on the specific ingredient and how the body best absorbs it.This approach allows us to create pharmaceutical-grade supplements designed for significantly improved bioavailability, delivering up to 149× better absorption.

Can I combine this with my current supplement routine?

This varies with each of our products. We always suggest you consult your doctor and make sure you are not exceeding the recommended daily values of nutrients.

Is this safe to take while breastfeeding or pregnant?

When taking a supplement of any kind during pregnancy or breastfeeding, we recommend consulting a physician and showing them our nutritional labels to make the best decision for you.

Are your products safe and third-party tested?

Yes, all of our products are produced in GMP and NSF certified facilities and undergo third-party testing to verify quality and consistency. While dietary supplements are not evaluated by the FDA for disease diagnosis or treatment, we stand behind their safety and transparency, with rigorous testing on every batch.

What makes your brand different than other supplements?

Our supplements are designed for significantly improved absorption using advanced delivery technologies that help nutrients enter your system more effectively. Unlike many traditional supplements where a large portion isn’t absorbed, our formulations use proprietary methods like nanoparticle technology and liposomes to enhance bioavailability, helping you get more benefit from every dose.

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FrontrowMD and the clinicians

Learn more about FrontrowMD in a new tab

Who is FrontrowMD?

FrontrowMD is an independent, third-party platform on a mission to make it easier to discover health products you can trust.

Here’s how: first, we make it easy for clinicians to share discounts on their own selection of health products to help their patients. We often hear that our clinician partners are worried about patients spending their hard-earned money on products that may not be best for them.

Then, we digitally track which products our clinicians include on their patient discount pages and display that data to you, verifying that medical experts are choosing to share The Absorption Company and making it easier to discover the right product for you.

Who / how many clinicians share this?

Clinicians sharing The Absorption Company include doctors, nurse practitioners, and physician associates. Right now, 839 clinicians are including The Absorption Company on their personalized patient discounts page, out of hundreds of product options.

Group practices often request to collaborate on one page instead of setting up separate free pages (this way, it’s easier for patients at a medical practice to shop through a single page).

Below, you can see the names of clinicians or practices sharing The Absorption Company, including how many clinicians chose to collaborate at that practice to sum up the total number of clinicians sharing The Absorption Company.

What’s “Clinicians’ Choice” / “share”?

Clinicians have the choice to add / remove any health product (either individually, or often in bulk) to their patient discounts pages whenever they would like.

Therefore, FrontrowMD defines a product as being “shared” or as a “Clinicians’ Choice” if that specific product is included in their personalized page and if those clinicians indicated on their “Getting Started” form that they intend to make their page available to patients (like through leaving out ‘Savings Cards’ with QR codes that link to the page), regardless of the number of products they keep / remove, how thoroughly they review each product, and the number of patients who choose to visit these pages.

This is different than a clinician recommending or “prescribing” this product to an individual patient, which clinicians are often less comfortable doing because of liability concerns — clinicians instead often appreciate being able to choose to share a product on their page that is broadly available to all patients.

When you click on 'Preview' below, you’ll be taken to a filtered view of those clinicians’ personalized pages, so you can confirm they included this product. While there, you can even download the “Getting Started” form they submitted by clicking ‘Confirm’ in the full list of clinicians. Only patients of these clinicians can shop on that page.

Are clinicians paid to do this?

No — clinicians are never compensated. This is a free platform for clinicians and patients. These clinicians include products on their personalized discounts pages, which you can preview below, to benefit their patients.

Clinicians who shared The Absorption Company

For the complete list, click here. Numbers below indicate how many clinicians collaborate to share products on a single page at a medical practice.

1 Dr. Christopher Chow

Reseda, CA

Vitamin D3+K2

Engineered for 1.9× more absorption, supporting bone strength, immune function, and cardiovascular protection—even when taken without food.

Vitamin D3+K2

Engineered for 1.9× more absorption, supporting bone strength, immune function, and cardiovascular protection—even when taken without food.

1 Bottle

2 Bottles

$22.40/bottle Most Popular

3 Bottles

25% off today

Update, pause, or cancel anytime

Get FREE gifts valued at $55 [Open Gifts Popup](/content/products/vitamin-d-k?selling_plan=691148685601&variant=52489937027361#popup--gifts "Open Gifts Popup"/index.html)

25% off today

Update, pause, or cancel anytime

Gifts to elevate and complete your daily ritual. [See gifts](/content/products/vitamin-d-k?selling_plan=691148685601&variant=52489937027361#popup--gifts "Open Gifts Modal"/index.html)

Free shipping on orders $50+

30 day money-back guarantee

HSA/FSA Eligible

Part of the Hormone + Metabolism Stack

Berberine, Calm, and Vitamin D3+K2 work together to moderate blood sugar, increase metabolism, and balance hormones.

1 Bottle

Why Our Vitamin D3 + K2 Works Better.

"I feel like I have more energy and overall feel better since trying this" - Nicole J.

Third Party Tested

Capsoil Enhanced Absorption

Glyphosate Residue-Free

Third Party Tested

Capsoil Enhanced Absorption

Glyphosate Residue-Free

The Science Behind Vitamin D3+K2

Absorption That

Actually Delivers Results

Most supplements only deliver a fraction of what they promise. Our Vitamin D3+K2 is different—powered by Capsoil® nanotechnology, it transforms each nutrient into nano-sized particles your body can actually use.

1.9x

Capsoil Laboratories. Evaluation of Capsoil® Vitamin D₃ Nano-Powder vs. Unformulated Oil-Based Vitamin D₃. Internal Study Report; Capsoil Laboratories, 2023

How Vitamin D3+K2 Transforms

Your Wellness Over Time.

How Vitamin D3+K2 Transforms

Your Wellness Over Time.

Month 1

Month 2

Month 3

Month 1

Month 2

Month 3

Combines Well With

Backed by Experts.

“The lack of consistency in supplement absorption has been a huge issue in the industry. I am grateful to be part of a team that is dramatically improving the quality and absorption of supplements and botanicals.”

Chief of Pediatric Nephrology at Dartmouth Children’s Hospital

“When it comes to supplementation, bioavailability matters - you want supplements that work. The Absorption Company's commitment to using cutting-edge technology to create highly absorbable supplements -- with results you can feel -- deeply resonates with me."

Holistic Health Coach and Founder of Clean Market

“Given the widespread availability of supplements with limited absorption rates, it is so important to emphasize formulations designed to maximize bioavailability. [The Absorption Company] ensures individuals receive the full spectrum of nutrients they need for optimal well-being.”

IFMCP, DNM, DC

780 clinicians share The Absorption Company on FrontrowMD without compensation. Learn more.

Customer reviews

FAQs.

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