High Dose Vitamin D3 - Clarke Bioscience
High-Dose Vitamin D3
High-Dose Vitamin D3
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High-Dose Vitamin D3

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Vitamin D3 is the naturally occurring form of the D vitamin and it is produced by the human body when skin makes contact with direct sunlight. The health benefits of Vitamin D are known to be extremely important to overall health.

Studies have shown that Vitamin D regulates the absorption of calcium and phosphorus, as well as facilitates normal immune system function. 

We recommend that you ask your healthcare provider about your specific vitamin D needs.

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Vitamin D3 is the naturally occurring form of the D vitamin and it is produced by the human body when skin makes contact with direct sunlight. The health benefits of Vitamin D are known to be extremely important to overall health.

Studies have shown that Vitamin D regulates the absorption of calcium and phosphorus, as well as facilitates normal immune system function. 

We recommend that you ask your healthcare provider about your specific vitamin D needs.

More About Vitamin D3:

Why increase your Vitamin D levels?

Supports Respiratory Health

Most research reveals that Vitamin D3 is effective in promoting respiratory health.

Reduces Oxidative Stress and Support Immune Health

Vitamin D3 helps reduce oxidative stress and support overall immune health

Support Normal T-Cell Activation

T-Cells require Vitamin D3 to mobilize.

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Reduce oxidative stress and support immune function

Supports your heart

Support immune health

Activate t-cells, an important part of our immune system

Why Take Such a Large Amount?

Physicians often give high levels of Vitamin D3 to support immune health.  Our highly potent D3 supplement is taken only once per week, and is a beneficial vitamin for your overall health.

You should consult with your physician as to whether our High-Dose Vitamin D is right for you.

Who Might Be Vitamin D Deficient?
  • Overweight or obese people
  • Post-menopausal women
  • People who don’t get enough sun every day
  • People living in colder climates
  • Older people
  • People who live further away from the equator, like North Americans
  • People with darker skin tones
Directions To Use:
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Take one capsule once per week, or as directed by your healthcare provider.

Frequently Asked Questions
1. Do I need a prescription for a 50,000iu dose of Vitamin D?

No, you do not need a prescription for our Vitamin D 50,000

2. Is it safe to take such a high dose of Vitamin D?

You should consult with your healthcare professional and have your vitamin D levels tested. Dr. Clarke has found in his clinical practive that the majority of people are deficient in their Vitamin D levels.

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"Vitamin D is an extremely important ingredient in most of our products, as humans are almost always deficient. This hormone is important to support not only bone, cardiovascular, and upper respiratory health and well-being, but as a moderator of the immune system."
Dr. Lewis Clarke