9 Symptoms of Vitamin D Deficiency That You Need to Know


About 1 billion people are estimated to have vitamin D deficiency. In the US, the majority of the population is believed to have low levels of vitamin D. As vitamin D deficiency becomes a growing concern, a large number of people have now started taking interest on what symptoms to look out for.

So what are the symptoms of vitamin D deficiency that you need to know?

Vitamin D Joints Bones

Weakness in bones and muscles

Vitamin D helps strengthen the bones and muscles. The body needs calcium for stronger and healthier bones and vitamin D plays a major role in the absorption of calcium into the body. If the body is not able to absorb the right amount of calcium needed, this will result to weak bones and muscles.


Vitamin D Blood Pressure

High blood pressure

Research shows a link between hypertension and vitamin D deficiency. Low levels of Vitamin D affect the heart. With low vitamin D levels, there is increased risk of hypertension, which can lead to heart disease and stroke.


Vitamin D Obesity


Overweight or obese individuals are found to have increased risk of vitamin D deficiency. A new research adds evidence that links obesity with lower vitamin D levels. The study suggests that obese individuals may be less able to convert vitamin D to its active form. As vitamin D is a fat-soluble vitamin, it helps increase the body’s energy expenditure, resulting to weight loss.


Vitamin D Depression
Vitamin D Depression
Fatigue and sleepiness

Some cases of chronic fatigue and sleepiness may be due to low levels of vitamin D, as suggested by research studies. Individuals with vitamin D deficiency will feel a lack of energy throughout the day, which leads to feeling fatigued and sleepy.


chronic pain

Chronic pain

For individuals suffering from chronic pain, it is likely due to low levels of vitamin D. Over the years, researchers have found a link between chronic pain and vitamin D deficiency. Vitamin D supplementation has been suggested to help lessen the wind-up response among chronic pain sufferers.




A study conducted on 6000 individuals revealed that those deficient in vitamin D are more susceptible to allergies. Vitamin D stimulates the body’s immune system against various infections. It also plays a significant role in preventing various allergic diseases.


gum disease

Gum disease

Studies suggest a link between vitamin D and periodontal health. Individuals with vitamin D deficiency are more likely to suffer from gum reddening, swelling, and bleeding. Vitamin D promotes periodontal health by producing compounds that reduce the number of bacteria in the mouth.


mood swings

Mood swings

Vitamin D has a role in the production of serotonin, the happy hormone. Serotonin has a significant impact on a person’s mood. Individuals experiencing unusual mood swings likely have low levels of vitamin D.


head sweating


Head sweating

One of the early signs of vitamin D deficiency is excessive head sweating. Individuals experiencing excessive sweating in the head compared to the rest of the body likely have low vitamin D levels. This is also the reason why new mothers are asked if they observe excessive head sweating in their newborns.


Jeff T Bowles:

Being the author of the best-selling book on Vitamin D3 in the world, and given the topic of the book was the miraculous results of my one-year experiment of taking HIGH DOSES of vitamin D3, this puts me in the unique position of being the sounding board for many hundreds if not a few thousands of others who have embarked on their own high dose vitamin D3 experiment. Nobody on planet earth has this amount of unusual and exciting knowledge, and I will be sharing it with you in this series of 100 short articles describing a disease and some sort of amazing result achieved with high-dose D3 therapy.

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Jeff T Bowles JB Protocol
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