Vitamin D signs - fuzzy thinking, bone deformities, mystery fatigue.

Symptom Quiz & Video

For detailed Vitamin D help watch the video above and/or read below.  Here is the link for additional help.

How to Correct a Vitamin D Deficiency

Low D Causes
Rickets and Soft Bones

D deficiency causes rickets (malformed bones) in children and osteomalacia (softening of bone) in adults.

Q u i z !

Which of These 16 Vitamin D Warning Symptoms Do You Actually Have?


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Our Bodies Make It From Sunlight

Vitamin D is unlike other vitamins in that our bodies synthesize it as a result of the action of sunlight on our skin.

Ultraviolet rays initiate the production of D from cholesterol which is stored in the skin's oil glands.

Vitamin D synthesis in the body

D synthesis in the body

Keeps Our Eyesight Sharp

Recent studies indicate that D plays an important role in keeping our eyesight sharp.

Strong Bones and Teeth

Vitamin D is also needed for the growth and development of bones and teeth.

Caution with Supplements

Caution should be exercised when taking D supplements -- excess vitamin D can be toxic.

Added to Milk

Since few foods naturally contain vitamin D, most milk is fortified with the vitamin.

Essential for Mineral Absorption 

D is necessary for your body's effective absorption of calcium, magnesium and phosphorous.

Other Sources

Also, liver, egg yolks, cheese, cold-water fish and fish liver oils are good sources of vitamin D.

How to Get More "D"


  • The sun is our main source of D
  • but we must include some in our diet, too.
  • Some foods that supply D:
  • D-fortified milk
  • eggs
  • cheese
  • yogurt
  • sardines
  • mackerel
  • herring
  • tuna (and other cold water fish)
  • beef
  • lamb liver
  • You would benefit from a supplement. If:
  • the above foods aren't in your diet or
  • if you live in a cold climate, or
  • you seldom go out in the sun
  • A good multivitamin/mineral tablet with 400 I. U.'s of  D is a good choice for a supplement
  • Alcohol interferes with the conversion of vitamin D into its usable form in our body
  • As we age we absorb and synthesize less vitamin D so a D supplement is a good idea for the elderly
  • Cod liver oil capsules can be a good source, but they can become rancid if stored improperly or for too long
  • Don't take them if they have a strong, fishy smell.
  • D is stored in the body and you can overdose on supplements -- even cod liver oil, so don't take high doses of this vitamin.
Vitamin D molecular structure

D molecular structure

Keeps Nervous System Healthy 

It is involved in cell growth, regulating the immune system and blood sugar levels, as well as maintaining a healthy nervous system.

Low D and Bone Disease

The graphic below shows the mapping of several bone diseases onto levels of vitamin D (calcidiol) in the blood:

Vitamin D and bone disease

Are You Sure Your Problem is Vitamin D?

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Vitamin D signs - fuzzy thinking, bone deformities, mystery fatigue. Symptom quiz & video
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Vitamin D signs - fuzzy thinking, bone deformities, mystery fatigue. Symptom quiz & video
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Vitamin D deficiency causes child rickets & muscle weakness. Few foods have vitamin D but supplement cautiously! Symptom quiz & video - Correcting Vitamin D
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Fredacare.com
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