Sunlight exposure, natural vitamin D production by the skin, and eating grass-fed animal products is one way to regrow hair naturally. Another way would be to take a vitamin D3/K2 supplement.

Vitamin K2: A Little-Known Essential Nutrient for Hair Growth as Well as for General Health


Most English-speakers have heard of vitamin K1, the vitamin that regulates blood-clotting. But practically no one in the developed world is aware of vitamin K2 and how it can boost hair growth. Vitamin K2 works intimately with vitamin D and, in fact, if you’re one of many people in the world who take a vitamin D supplement each day without also supplementing with vitamin K2, you need to pay close attention to what I’m going to tell you here. Vitamin D supplementation without vitamin K2 supplementation (in the proper proportion) will kill you. Let me explain:


Calcium for Hair Growth: Is it good or bad?


Most people, with rare exception, do NOT need to take calcium supplements because calcium is in a lot of the foods that people eat. Having too much calcium in the body can interfere with other nutrients being absorbed properly (like iodine, for example), and it can interfere with proper calcium balance in tissues and in the blood, so as a general rule, we don’t advocate that people take calcium supplements. 


Vitamin D is produced naturally in the skin when our bodies are exposed to sunlight. And vitamin D is also available as a nutritional supplement, of course too. Vitamin D does a lot of interesting things in our bodies, but in this discussion, we’re going to focus just on how vitamin D improves our body’s ability to absorb calcium. Vitamin D makes sure that the body can take in calcium from food. The vitamin D produced in the skin manages calcium absorption and the vitamin D that we take as a supplement also manages calcium absorption too. But when we take vitamin D, by itself, calcium absorption may not happen in a balanced fashion.  

Vitamin D for Hair Growth: Is it good or bad? 


Unfortunately, when you take vitamin D as a nutritional supplement by itself (without vitamin K2 to balance its effects), vitamin D doesn’t worry about where it puts the calcium once the body absorbs the calcium. In other words, vitamin D, as a nutritional supplement (in the form of vitamin D2 or vitamin D3), just manages the absorption of the calcium and then lazily throws the calcium wherever it wants in the body. So, when you take vitamin D by itself, calcium ends up in the wrong places. Vitamin D supplementation by itself leads to a buildup of calcium in soft tissues like the blood vessels (atherosclerosis), the pancreas (which could look like either digestive issues or diabetes or even lung disease), the gallbladder (which could look like porcelain gallbladder, gallstones, serious digestive issues etc.). Vitamin D supplements by themse


In this article, we talk in greater depth about the general dangers of supplementing with vitamin D by itself without vitamin K2 to balance its effects.


Essentially, when you supplement with vitamin D, calcium ends up in places where it doesn’t belong (soft tissues of the body) instead of in the places where it DOES belong (the bones, teeth, nails, and hair).


Is vitamin D good for hair?


There’s a lot of misinformation online about the role of vitamin D and calcium for hair loss. Indeed, Big Pharma has thrown a lot of funding into promoting the idea that vitamin D and calcium supplements can cure all ills. So, if you go looking to answer the question, “can vitamin D regrow hair?” (or cure any number of diseases), the search results will tell you that yes, vitamin D can regrow hair. What the propaganda never mentions, though, is the fact that vitamin K2 is needed in the proper proportions along with vitamin D to ensure that not only is calcium absorbed from food, but that it is also placed in bones and teeth rather than being stored in soft tissues where it doesn’t belong. 


So, while I could say that yes, vitamin D is good for you under certain conditions, it would irresponsible for me to not mention that vitamin D is bad for you (categorically in all cases) if you are not also supplementing with vitamin K2 (in the MK-7 format ideally) in the proper proportion to your vitamin D supplement.


Vitamin K2 is a nutrient that normally comes from grass-fed animal products. As I see it, vitamin D comes from the sun and vitamin K2 is derived from chlorophyll that’s been converted by animals into something that humans also need. So the answer to the question: is vitamin D good for hair? Can’t be answered with a “yes” or a “no”. Rather, the answer is, “only if you take it with vitamin K2 and only if you eat healthy foods that contain balanced levels of nutrients like calcium.”

Sunlight Exposure, Natural Vitamin D, and Hair Growth

One of the reasons why sunlight exposure plays an important role in hair growth is because sunlight exposure (without sunscreen), allows the body to produce natural vitamin D. And natural vitamin D does promote calcium absorption from food which in turn, can stimulate the growth of hair and it can strengthen hair if vitamin K2 is also present in the body. Of course, getting rid of sunscreens, which contain endocrine disruptors that can hijack your body’s natural reproductive hormone balance, also helps to prevent hair loss and restore a normal reproductive hormone milieu conducive to natural hair growth. 


In other words, sunlight exposure (sans the sunscreen) works on multiple levels to boost hair growth naturally and one of the pathways through which is works is through calcium absorption with the help of vitamin D and vitamin K2. 

Vitamin K2: Hair Growth

Vitamin K2 is a well-kept secret for a reason. This is a nutrient that can change the trajectory of your health in big ways. If you have young children, for example, or if you’re pregnant or breastfeeding, vitamin K2 supplementation can mean that your children won’t ever need to have braces. In fact, they may never have cavities at all (if you filter Fluoride out of your water, that is, and use a Fluoride-free toothpaste). If you take vitamin K2 yourself, and stop exposing your teeth to Fluoride (which acts like a sleazy mistress that gets between the strong soul-mate bond between Calcium and Phosphorus in the dental enamel), and if you remove all mercury amalgam fillings from your mouth, you can remineralize teeth naturally. Your bones will become much stronger and you’ll likely never have to worry about osteoporosis if you take vitamin K2 supplements. Your risk of atherosclerosis and arteriosclerosis and the corresponding risk of heart attack, stroke, and a wide array of other vascular diseases will diminish with each week that you take vitamin K2, going down by half after just the first 6 weeks of supplementation. Indeed, if you have a disease that’s based in an organ or soft-tissue of the body, vitamin K2 might help you restore that organ to its full working capacity while simultaneously improving bone and dental health. 


Taking vitamin K2 is a secret remedy for hair growth, but remember, this nutrient works in tandem with other nutrients, including vitamin D. And vitamin is produced naturally by the body when the body is exposed to sunlight when you are not using sunscreen. Indeed, if you’re experiencing extreme hair fall (or just mild thinning of the hair), consider getting rid of not just your sunscreen, but also the other toxic cleaning products and personal care products that may be causing reproductive hormone disruption. A lot of cleaning products and personal care products today contain a lot of xenoestrogens, which confuse the body and cause reproductive hormone imbalances that can lead to hair loss. In this article, we detail how to detoxify your life to reduce your exposure to toxic xenoestrogens and other poisons in beauty products and cleaning products.


If you decide to take vitamin K2 to regrow hair, make sure you take an MK-7 product that also contains vitamin D3 to maximize the amount of calcium that your body is absorbing from food and to ensure that the calcium ends up in the bones, the teeth, and yes, the hair. 


Other Important Links:

Introduction: How to Regrow Hair Naturally

Today’s Medical Misinformation Update: Is vitamin D really good for you or not?

Can hair loss from chemo be prevented? What to do to keep from losing your hair during radiation and chemotherapy.

How to Detoxify the Body and Heal from Autoimmune Disease, Cancer, and Other Serious Diseases

Men’s Health Email Inquiry for a Friend: How to Cure Chronic Pain in the Testicles or Groin When Your Doctor Can’t Figure Out What’s Wrong

A General Treatment for Diseases That Can Cause Hair Loss: Amygdalin / Vitamin B17

PUVA Therapy for Hair Loss: Safe or Not?

Vitamin K2+D3: An At-Home, Orthomolecular Treatment for Gallstones and Porcelain Gallbladder

How to Get Rid of Gallstones without Surgery: Dr. Hulda Clark’s Gallbladder Cleanse

Orthomolecular Therapies for Hair Loss: How to Use Vitamins and Minerals to Regrow Hair



Rheaume-Bleue, K. (2018). Vitamin K2 and the Calcium Paradox: How a Little-Known Vitamin Could Save Your Life.