09/20/2026
For those of you taking vitamin D supplements - knowledge is power so I want to share a little something with you. This hair analysis graph is of someone who has a history of taking vitamin D3 supplements. For me, it's pretty obvious without even knowing this due to the very high calcium, low potassium, and low boron on their hair analysis report.
Why is high calcium, low potassium, and low boron important? Because it can make you feel like crap, literally. Vitamin D does several things that change your mineral imbalance in a very unfavorable way:
First, vitamin D tells your body to absorb more calcium from your food, so the presence of vitamin D in the bloodstream means that the person taking vitamin D supplements is going to absorb more calcium from their food than someone who isn't taking vitamin D supplements.
For the very rare person, a tiny bit of vitamin D might be helpful if they happen to be low in calcium (most people have plenty), but it's still not preferred, and no-one really takes just a little bit of vitamin D for a short while… most people start taking lots of it and do that as a life sentence. This can quickly create chronically high calcium levels and that leads to calcification of your body (think stiffness among other undesirable things, like back pain, joint issues, osteoporosis). [1] High calcium is also not good for your thyroid health, it SLOWS things down...but more on that in a minute.
The next thing vitamin D does is it lowers potassium levels. [2] This can cause a whole host of symptoms such as:
-Acne
-Weakness, tiredness, or cramping in arm or leg muscles
-Numbness and/or tingling
-Constipation
-Excess water consumption
-Depression
-Nausea or vomiting
-Edema
-Fatigue
-Insomnia
-Nervousness
-Mental impairment
-Abdominal cramping and/or bloating
-Fainting due to low blood pressure
-Heart palpitations (irregular heart beat)
Low potassium isn't exactly what most people want… it also affects your thyroid ratio… or your energy ratio as I call it in analysis, which I'll get to shortly.
The third way vitamin D effects your mineral levels is by lowering boron levels. Research suggests that boron has a whole host of fantastic benefits when you get enough in your diet like: healthy bones, improved wound healing, increased levels of s*x steroids, increased vitamin D levels (or vitamin D deficiency prevention), improved magnesium absorption, anti-inflammatory effects, and anti-cancer effects. [3]
All of these mineral changes that are caused by vitamin D supplementation (D2 & D3) are not exactly favorable, so if you're going to take a supplement it's good to not only understand why you're taking it but also make sure that it's going to have a positive effect on what is going on in your body.
Now the most important part, your thyroid ratio or how you actually FEEL.
I'm talking about things like:
-fatigue
-brain fog
-low body temperature
-blood sugar issues (hypoglycemia)
-sluggish digestion
-sluggish thyroid
One of the true ways to really assess how a person is feeling is by looking at their thyroid ratio on a hair analysis (calcium to potassium level). The desired ratio is pretty simple it's just the ratio between their calcium and potassium levels and we want the ratio to be around a 4 (this person's ratio was almost 300). So if you're taking vitamin D which is raising calcium levels and lowering potassium you're moving these minerals in the opposite direction of where is desirable for thyroid health and to support your thyroid's ability to do its job!
You deserve more than guesswork. If you're supplementing without data, you're likely creating imbalances — not fixing them.
"D3" for details on how to get luxury-level insight into your mineral status — so you can supplement with strategy, not stress.
References:
[1]https://academic.oup.com/cardiovascres/article/36/3/293/298591/Hypercalcemia-and-metastatic-calcification
[2https://www.ncbi.nlm.nih.gov/pmc/articles/PMC291035/pdf/jcinvest00315-0040.pdf
[3]https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4712861/
