You Are Likely Deficient In Your Body's #1 Immunity Hormone... 

Up to 82% of those reading this are deficient in THIS ONE essential hormone necessary for super immunity, energy, weight, and video to learn why! 

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We Secured a FREE Bottle of CytoD+K2 for You [Today Only]!

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Strong Immunity, Bones, Energy 
and Metabolism Can Be Yours 

Don’t let this common vitamin deficiency ruin your life
Use CytoD+K2™️ to transform your body in just 10-seconds

  • You’re at the grocery store...
  • The person next to you is coughing. 
  • You’re looking for something in the supplement aisle to support your immune system. 
  • But it’s confusing and you don’t know what ingredients have the clinical research to really help... 
  • You’re about to discover how to get the critical immune support you need—without ever leaving the comfort and safety of your own home. 

Are You Missing This Critical Hormone
for Overall Health & Vitality?

The Key to Reversing This Hormone Deficiency Is The Right form of Vitamin D with K2 

You’re at the grocery store.  

The person next to you is coughing. 

You’re looking for something in the supplement aisle to support your immune system. 

But it’s confusing and you don’t know what ingredients have the clinical research to really help... 

You’re about to discover how to get the critical immune support you need—without ever leaving the comfort and safety of your own home. 


Unless You’re Getting Hours of Sunlight Each Day,
You’re Likely Deficient in This Essential Hormone... 


Your Body’s Most Versatile and Essential Hormone for
Energy, Weight, Sleep, Bones, Immunity and Much More 

CytoD+K2 is a highly concentrated, highly portable formula—filled with the perfect combination of vitamin D+K2, for maximum potency and absorption. 

It was designed by one of the leading nutraceutical research scientists in the country to boost immunity... build stronger bones... enhance your sleep... speed up metabolism... and transform your overall health and vitality. 

Just a small dropper full a day will not only support strong immunity, but that overall healthy feeling you desire, especially in months where getting lots of sunlight isn’t possible. 

It’s exactly what you want for yourself and loved ones... especially at a time when so many people are immunocompromised. 

  • You’re at the grocery store...
  • The person next to you is coughing. 
  • You’re looking for something in the supplement aisle to support your immune system. 
  • But it’s confusing and you don’t know what ingredients have the clinical research to really help... 
  • You’re about to discover how to get the critical immune support you need—without ever leaving the comfort and safety of your own home. 

Why THIS VITAMIN D? It’s the Most Absorbable, Premium Vitamin D+K2 in an Organic Olive Oil Base 

Let’s be honest: you have a ton of options when it comes to vitamin D products. 
So why would you choose this one (besides the fact that your first bottle is FREE?) 

You’re at the grocery store.  

The person next to you is coughing. 

You’re looking for something in the supplement aisle to support your immune system. 

But it’s confusing and you don’t know what ingredients have the clinical research to really help... 

You’re about to discover how to get the critical immune support you need—without ever leaving the comfort and safety of your own home. 

  • Reason #1: POTENCY - it’s the right form of naturally-derived vitamin D (unlike the many synthetic variants) and therefore highly absorbable by your body. 
  • Reason #2: OPTIMAL DOSE - it’s delivered at the optimal dose for daily use similar to getting your daily sunshine. 
  • Reason #3: K2 SYNERGY - it is synergistically paired with a highly potent form of K2 (the MK7- TRANS form Isomer), which you won’t find in other products. 
  • Reason #4: ORGANIC BASE - it is delivered in organic olive oil base, which is cleaner than other bases AND can facilitate deeper delivery into the cells. 

CytoD+K2 was carefully designed and produced by one of the top doctors and formulators in the world today to be THE single most effective vitamin D product in existence. 

When you try it, you will feel and know the difference. 

Let’s look at the top 8 benefits of Vitamin D and why you need K2 to absorb it correctly - backed by hundreds of human studies*

 (*many referenced below).

D Benefit #1
Boost Your Immune System

Vitamin D is essential for healthy immune system response. 

Evidence suggests supplementation can safely improve our immunity and vitamin D status1.

Vitamin D helps reduce inflammation in the body. Studies have shown that it may act as an immune balancer2.
Vitamin D has been studied for its immune system benefits for over 25 years3.

D Benefit #2
Lower Fatigue, Increase Energy

Vitamin D has been studied for its ability to reverse fatigue and boost energy levels. 

Prevalence of low vitamin D was 77.2% in patients who presented with fatigue. After normalization of vitamin D levels fatigue symptom scores improved significantly4.
Vitamin D dramatically improved levels of self-reported levels of fatigue and energy in another study5.
Vitamin D was found to directly increase energy levels within the cells of your muscles, a study has shown6

D Benefit #3
Beautiful Hair and Skin

Want to look and feel younger? Make sure you’re not deficient in vitamin D... 

Vitamin D helps reduce inflammation in the body. Studies have shown that maintaining healthy levels can support skin and hair health7.

Some scientists believe that people with skin problems like eczema, psoriasis, and hair loss need to be monitored to ensure they’re not deficient in vitamin D8.
Vitamin D helps protect skin against potential damage and oxidation from the sun9.

D Benefit #4
Enhance Your Sleep

A systematic study review found that vitamin D is critical for experiencing deeper and more restorative levels of sleep10.
Vitamin D can help with sleep issues, such as sleep apnea, which impacts many millions of Americans11
Vitamin D can even enhance the reversal of bigger sleep issues like chronic insomnia12.

D Benefit #5
Sharpen Your Brain Health

Brain fog? Trouble focusing? Enhance your mood, mind, and concentration... 

Studies show: 

Normal vitamin D levels support emotional balance, cognitive function, and quality sleep13.

Additionally, vitamin D is important for brain development, which is why pregnant women are advised to get at least 600 IU of vitamin D per day.

What’s more, vitamin D deficiency has been associated with a wide range of psychiatric and neurological diseases14

According to some researchers, low levels of blood vitamin D are associated with low mood, memory problems, and dementia15.

D Benefit #6
Support Heart Health

Vitamin D is an essential nutrient for optimum heart health... 

Vitamin D deficiency has been associated with an increased risk of heart issues in several studies16.

Studies linked vitamin D deficiency with chronic heart issues and that supplementation may help17.

On the other hand, several studies have linked sun exposure, which increases vitamin D levels, to lower blood pressure18.

D Benefit #7
Build Stronger Bones

Vitamin D is essential to strong bones, which are critical to longevity and well-being... 

Vitamin D maintains calcium and phosphorus balance in the body. Specifically, it promotes calcium and phosphorus absorption from the gut, which is critical for building stronger bones19

Vitamin D deficiency (aka low blood levels) is associated with lower bone mineral density, mineralization defects, and an increased risk of bone loss or fracture. This includes both sexes20.

Studies suggest that the use of vitamin D and calcium supplements at the recommended doses can help older people with bone health issues21.

D Benefit #8
Rev Up Your Metabolism

Is vitamin D also a “weight loss vitamin”? Studies say YES... 
In one study, subjects were deficient in vitamin D and then received vitamin D supplementation. Their BMI (body mass index) decreased significantly22.

Studies also show there can be a vicious cycle caused by vitamin D deficiency, where lack of the vitamin encourages weight gain—and then obesity further increases deficiency23.
There may be a strong connection between vitamin D deficiency and slow metabolism and obesity24.

Why Raise this Critical "Super" Hormone?

Warren P. Phillips M.S. Co-Founder True Cellular Formulas™

The Ultimate Daily Formula For Supporting Healthy Vitamin D Levels and Optimal Health

CytoD+K2 is unlike any formula you’ll find in stores or online. 
It’s not available on Amazon or any other outlet. 

CytoD+K2 leverages over a decade of research and formulation experience from one of the top formulation scientists in the world to deliver: 

  • The highest potency, most optimal and natural form of clinically researched vitamin D..
  • The precise level of vitamin D you need, in the right dose for daily use and maximum absorption... 
  • Synergized with a rare and highly bioavailable form of K2 (the MK7- TRANS form Isomer) to assist in correct and safe utilization of Vitamin D…

We recommend taking CytoD+K2 directly in your mouth anytime day or night!

You can also use this absorption hack exclusive to CytoD+K2:  Hold one dropper full of CytoD+K2 under your tongue for a several seconds for Powerful  "Sublingual Absorption". 

Vitamin D Is Even Better When You Have K2

Vitamin D3 and vitamin K2 work hand in hand in your body. Taking vitamin D without K2 can lead to issues, because K2 ensures that calcium is absorbed easily and reaches the bone mass, while preventing arterial calcification. 

This is critical to keeping your heart and bones healthy.

Separately, K2 regulates normal blood clotting, while also helping D3 support your immune system, energy, and muscle performance. 

Studies have shown that there is a highly synergistic relationship between vitamin D and K225. Neither helps you very much if you lack the other. 

That’s why we’ve included both in CytoD+K2. Together, they help you experience all of the highly studied and nearly-miraculous benefits of vitamin D.

SPECIAL NOTE: (For all our "ingredient nerds like us" who love to geek out on rare super nutrients):

The form of K2 included in this synergistic formula is the ideal (not just the highest quality) for 2 main reasons...

1) We chose the most expensive form of K2, called MK-7, which is significantly more bioavailable v.s. MK-4 — which exits the body in days. 

2) There are also 2 forms of MK-7 isomers to choose from: the TRANS and the CIS form. The trans isomer is found in nature. CIS is not as validated (and is often what others use in vitamin D+K2 products). CytoD+K2 utilizes the most natural and well studied TRANS isomer form.

"I use CytoDefend™ to give my body that extra edge in these crazy times. I only use all natural products and love that the ingredients used meet this criteria and are tried and true. They come in one easy to use solution and are also part of the non toxic project which uses independent testing to verify there are no impurities for added peace of mind. Highly recommend!!!
-  Jeremy Abernathy, Musician
Zach Gee
"I have taken many vitamin D3 supplements. They have all been in capsule or tablet form so I have to admit that I was a bit apprehensive about taking CytoD+K2 since it was in tincture form. I thought I would have a weird olive oil taste in my mouth. I couldn't have been more wrong. It slid down my throat so fast that I had to double check the dropper to make sure I actually took it. This was such a pleasant experience and is perfect if you hate taking pills."
"Around this time last year I was having dark and suicidal thoughts (we live in a small house, the cold weather, with four small children was a recipe for disaster) but this year, our living situation is the exact same except for that I’m taking much better care of myself with nutrition. I’ve cut out gluten completely (I had no idea how useless and insanely icky it was making me feel) and prioritized sunshine and my True Cellular CytoD + K2 drops! I LOVE THEM. I’ve seriously never had better mental clarity and just an overall cheerfulness than I do now. I feel like an entirely different mother. Thank you!"
Teddy Sternagel
"When our son was diagnosed with cancer, we discovered his vitamin D levels were very low, and quickly learned this is much more common in those that get diagnosed with cancer than those who don’t. Vitamin D supplementation has been so important to us ever since, but it’s not always easy to find a product that’s easy to give to kids AND is super clean, which is why we’re so happy to have found True Cellular Formula’s product. Our whole family loves it!"
Nature’s Most Versatile (and Often Deficient Vitamin) 
Eric Olson  
I trust CytoDefend, to help protect me and my family of five during times where we feel like we need to support our immune systems a little more. With a background in Nuclear engineering and experience in global procurement, I research all supplements extensively before buying for my family. I know the ingredients are pure and that I can trust our health to True Cellular Formulas products. —  Eric Olson

It only takes one dropper of CytoD+K2 each day to boost your immunity, energy, sleep, bones, metabolism, and more— and help keep you well and feeling your best each day. 

Best of all, as part of our introductory launch offer, and because so many people are deficient and struggling with immunity issues now... 

We are offering a bottle of this industry-leading formula FREE to try — just cover the modest shipping charge, and it's yours! 

There’s never been a more important time to make sure you’re NOT deficient in your body’s most important and versatile vitamin. 

Especially because... 


When you invest in CytoD+K2, whether it’s just this FREE offer, or you upgrade and get more bottles—you have 60 FULL DAYS to test the formula out. 

In the highly unlikely event you’re not blown away—simply return any empty bottles you might have—and you’ll receive a prompt, no-questions-asked refund. 

But you won’t do that... 

Because it only takes a few weeks of supporting your immune system, your sleep, your energy, and more... 

... to start feeling the incredible difference CytoD+K2 makes in your overall quality of life. 

It’s the first and only formula of its kind. 

Danielle Pauli
"I have taken VItamin D pills in the past and never felt much.
Within the first few days  
my brain and energy lit up like a christmas tree."

Mark L.

" I could not believe this high quality of a product was Free. I love how easy this liquid D and K is to take everyday. I decided to get some for my grandparents and other older friends who I know need more Vit D too."

Ethan Patrick
"I always thought Vitamin D was important but seeing the latest news on how Vitamin D is so protective to my body
when I saw what you all put together it was an answer to prayers. Thank You!"
Let CytoD+K2 Transform Your Health in These 8 Key Ways

You already know that most people (approximately 41-82% of Americans) are deficient in vitamin D. 

This can suppress immunity, age you faster, cause chronic fatigue, reduce sleep, and so much more. 

And if we’re in a season (or you live somewhere) where lots of sunlight isn’t possible, you’re even more likely to be deficient and have problems. 

Everyone needs more vitamin D-related support for their metabolism and energy—now more than ever. 

You know that CytoD+K2 is an incredible value—and you can try it FREE today, just cover a small one-time shipping charge. 

Don’t allow your body and immune system to be deficient for another day...

Take advantage of this FREE BOTTLE of CytoD+K2 today to help yourself, loved ones, and life...

AJ & Meaghan
“This is hands down the best tasting vitamin D we have ever used! Not only do we use CytoD+K2 every morning in our water and/or tea to start the day, we also have used it on chicken, eggs and beef. It just mixes with anything. It is easy to travel with and goes with us everywhere” 
"I have very strict standards when it comes to supplements that I use on the regular. The fact that they use olive oil as the carrier oil let's me know this company cares about their customers. Living in a part of the world where full body sun exposure is impossible year round, I only rely on CytoD+K2 to make sure my vitamin D levels are at an optimal range. I have a definite sense of relief knowing I'm giving my body a clean supplement to be my healthiest."
"I can't say enough positive things about this Vitamin D and K. I have told my family and friends all about it. I feel fantastic upon waking in the morning and have more sustained energy throughout the day. Overall I have more focus and more zip in my step. I would highly recommend this product."
YES! I Want to Use CytoD+K2
and its 8 Proven Benefits to Transform My Immunity and Life: 

Get Your FREE $39 Bottle of CytoD+K2!

It's truly FREE. No monthly subscription. No future charges.

For today's flash sale, receive a FREE bottle of CytoD+K2, FREE Immune Boosting Smoothie eBook, and a FREE $10 Coupon for future purchases!
That's a $79 in value for just pay shipping.

$79 Value  NOW FREE!!

*(Special Discounted Pricing Available For A Limited Time Only)

"Certified Non-Toxic"
Buy with Confidence:

This product was independently tested by a 3rd-Lab and Exceed Industry Supplement Requirements
for heavy-metals or pathogens according to cGMP & Non-Toxic Project Standards.

Meme Loftin  
CytoDefend is packed with powerful immune boosting herbs, roots and Zinc. I'm grateful to have this in my "medicine cabinet" to help protect myself and my family! I like that it's a concentrated liquid that is convenient to take and can easily be added to juice or Kombucha for kids.
This is a very high quality product that was created consciously with a great attention to ingredients and design. I appreciate that it is Non-Toxic Project Certified and in a glass bottle with a glass dropper. — Meme Loftin, Owner of Helping Kids Love Food
  2. Amor, Sara et al. “Beneficial Effects of an Aged Black Garlic Extract in the Metabolic and Vascular Alterations Induced by a High Fat/Sucrose Diet in Male Rats.” Nutrients vol. 11,1 153. 12 Jan. 2019, doi:10.3390/nu11010153
  3. Myles, Ian A. “Fast food fever: reviewing the impacts of the Western diet on immunity.” Nutrition journal vol. 13 61. 17 Jun. 2014, doi:10.1186/1475-2891-13-61
  4. National Research Council (US) Subcommittee on Immunotoxicology. Biologic Markers in Immunotoxicology. Washington (DC): National Academies Press (US); 1992. 5, The Capacity of Toxic Agents to Compromise the Immune System (Biologic Markers of Immunosuppression) Available from:
  5. Buckley, Thomas et al. “Physiological correlates of bereavement and the impact of bereavement interventions.” Dialogues in clinical neuroscience vol. 14,2 (2012): 129-39.
  6. Stein, M et al. “Immune system. Relationship to anxiety disorders.” Psychiatr Clin North Am. 1988 Jun;11(2):349-60.
  7. Juhye M Lee et al. “Mapping person-to-person variation in viral mutations that escape polyclonal serum targeting influenza hemagglutinin.” EVOLUTIONARY BIOLOGY MICROBIOLOGY AND INFECTIOUS DISEASE. Aug 27, 2019. eLife 2019;8:e49324 DOI: 10.7554/eLife.49324 
  8. Steven W. Cole, et al. “Myeloid differentiation in social isolation” Proceedings of the National Academy of Sciences Nov 2015, 201514249; DOI: 10.1073/pnas.1514249112
  9. Law, Betty Yuen-Kwan et al. “Autophagic effects of Chaihu (dried roots of Bupleurum Chinense DC or Bupleurum scorzoneraefolium WILD).” Chinese medicine vol. 9 21. 11 Sep. 2014, doi:10.1186/1749-8546-9-2
  11. Kim, Seong-Mo et al. “Antioxidant and Protective Effects of Bupleurum falcatum on the L-Thyroxine-Induced Hyperthyroidism in Rats.” Evidence-based complementary and alternative medicine : eCAM vol. 2012 (2012): 578497. doi:10.1155/2012/578497
  12. Law, B.Y., Mo, J. & Wong, V.K. “Autophagic effects of Chaihu (dried roots of Bupleurum Chinense DC or Bupleurum scorzoneraefolium WILD).” Chin Med 9, 21 (2014).
  13. University of Sydney. "Elderberry compounds could help minimize flu symptoms, study suggests." ScienceDaily. ScienceDaily, 23 April 2019. <>
  14. Tiralongo, Evelin et al. “Elderberry Supplementation Reduces Cold Duration and Symptoms in Air-Travellers: A Randomized, Double-Blind Placebo-Controlled Clinical Trial.” Nutrients vol. 8,4 182. 24 Mar. 2016, doi:10.3390/nu8040182
  16. Zakay-Rones, Z., Thom, E., Wollan, T., & Wadstein, J. (2004). Randomized Study of the Efficacy and Safety of Oral Elderberry Extract in the Treatment of Influenza A and B Virus Infections. Journal of International Medical Research, 132–140.
  17. Hudson, James, and Selvarani Vimalanathan. “Echinacea—A Source of Potent Antivirals for Respiratory Virus Infections.” Pharmaceuticals vol. 4,7 1019–1031. 13 Jul. 2011, doi:10.3390/ph4071019
  19. Šutovská M et al. “Echinacea complex--chemical view and anti-asthmatic profile.” J Ethnopharmacol. 2015 Dec 4;175:163-71. doi: 10.1016/j.jep.2015.09.007. Epub 2015 Sep 11.
  20. Kallon, Sanpha et al. “Astragalus polysaccharide enhances immunity and inhibits H9N2 avian influenza virus in vitro and in vivo.” Journal of animal science and biotechnology vol. 4,1 22. 21 Jun. 2013, doi:10.1186/2049-1891-4-22
  21. Qin Q, et al. “Astragalus embranaceus extract activates immune response in macrophages via heparanase.” Molecules. 2012 Jun 13;17(6):7232-40. doi: 10.3390/molecules17067232.
  22. Shih-Ming Chen et al. “Astragalus membranaceus modulates Th1/2 immune balance and activates PPARγ in a murine asthma model.” Biochemistry and Cell Biology, 2014, 92:397-405,
  23. Wang, Liqiang et al. “The antiviral and antimicrobial activities of licorice, a widely-used Chinese herb.” Acta pharmaceutica Sinica. B vol. 5,4 (2015): 310-5. doi:10.1016/j.apsb.2015.05.005
  24. Hossein Hosseinzadeh, et al. “Pharmacological Effects of Glycyrrhiza spp. and Its Bioactive Constituents: Update and Review.” Phytotherapy Research. Volume29, Issue12 December 2015 Pages 1868-1886
  25. Liqiang, Wang et al. “The antiviral and antimicrobial activities of licorice, a widely-used Chinese herb” Acta Pharmaceutica Sinica B Volume 5, Issue 4, July 2015, Pages 310-315
  26. Sorice A et al. “Ascorbic acid: its role in immune system and chronic inflammation diseases.” Mini Rev Med Chem. 2014 May;14(5):444-52.DOI: 10.2174/1389557514666140428112602
  27. Fred Ottoboni, M.P.H., Ph.D. et al. “Ascorbic Acid and the Immune System” Journal of Orthomolecular Medicine Vol. 20, No. 3, 2005
  28. Angela Sorice, et al. “Ascorbic Acid: Its Role in Immune System and Chronic Inflammation Diseases ”Mini-Reviews in Medicinal Chemistry Volume 14 , Issue 5 , 2014 DOI : 10.2174/1389557514666140428112602
  29. Prasad, Ananda S. “Zinc in human health: effect of zinc on immune cells.” Molecular medicine (Cambridge, Mass.) vol. 14,5-6 (2008): 353-7. doi:10.2119/2008-00033.Prasad
  30. Prasad, Ananda S. “Zinc in human health: effect of zinc on immune cells.” Molecular medicine (Cambridge, Mass.) vol. 14,5-6 (2008): 353-7. doi:10.2119/2008-00033.Prasad
  31. Rao, Goutham, and Kate Rowland. “PURLs: Zinc for the common cold--not if, but when.” The Journal of family practice vol. 60,11 (2011): 669-71.
  32. Rao, Goutham, and Kate Rowland. “PURLs: Zinc for the common cold--not if, but when.” The Journal of family practice vol. 60,11 (2011): 669-71.
  33. A H Shankar, A S Prasad, Zinc and immune function: the biological basis of altered resistance to infection, The American Journal of Clinical Nutrition, Volume 68, Issue 2, August 1998, Pages 447S–463S,

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