Carlyle Vitamin D3 delivers 10,000 IU per pill in a bottle of 400 pills, a high-strength supplement supporting bone health and immune system function. A high strength paired with a count of 400 pills is an uncommon combination in this category, since most high-strength bottles are sold in far smaller counts. This product is aimed at anyone tracking their blood vitamin D level with periodic testing, and at anyone whose daily sun exposure is limited by the nature of their work or their climate.
What is vitamin D3?
Vitamin D3, cholecalciferol, is a fat-soluble vitamin formed in human skin when the compound dehydrocholesterol is exposed to ultraviolet B radiation. In classification it sits closer to a prohormone than to a vitamin, because it has dedicated receptors inside the nuclei of hundreds of cell types, and it differs from vitamin D2, whose source is fungal.
Benefits of Carlyle vitamin D3
- Bone health: vitamin D3 is a precondition for absorbing calcium from the intestine and depositing it in bone tissue.
- Immune support: immune system cells carry vitamin D receptors and respond to its level in the blood.
- Muscle function: vitamin D3 is linked to muscle strength and to balance in older adults.
- Mood support: studies point to a link between vitamin D status and general mood.
- High strength: 10,000 IU in one pill removes the need for several pills per dose.
- A large bottle: 400 pills cover a long period without repeat purchasing.
How vitamin D3 works in the body
Vitamin D3 does not act in the form it enters in; it passes through two activation stages in two different organs. In the liver it converts into calcidiol, the marker measured in a blood test, and then in the kidneys into calcitriol, the active form. Calcitriol binds the vitamin D receptor inside the cell nucleus and acts as a gene transcription factor, switching on the production of calcium transport proteins in the intestinal wall. Because it is fat soluble, the presence of fat in the meal raises the proportion absorbed.
What sets this formula apart
The Carlyle pill brings together 10,000 IU and a count of 400 pills in one bottle, a rare pairing because high-strength bottles are usually sold in smaller counts. Vitamin D3 is the form human skin produces naturally, and studies point to it raising blood calcidiol more consistently than vitamin D2. A high strength in a single dosage unit also makes adjusting the regimen easier for a physician than combining several low-strength pills.
Who is this product for?
- Anyone whose test showed a low vitamin D level and who is following up with their physician.
- Anyone working indoors in offices without daily sun exposure.
- Anyone wanting a high strength in one pill rather than several.
- Anyone who prefers a large bottle covering a long period.
How to use
Take the pill with a meal containing fat, because vitamin D3 is fat soluble and its absorption rises in the presence of fat. How often a 10,000 IU strength is repeated is set by a physician on the basis of a blood vitamin D test; it is not taken daily on personal judgement, nor for an open-ended period without follow-up.
Product details
- Form: pills
- Strength per pill: 10,000 IU
- Type: vitamin D3
- Count: 400 pills
- Company: Carlyle, United States
Frequently asked questions
What is the difference between vitamin D3 and vitamin D2?
Vitamin D3 is the form human skin produces from sunlight and the one found in animal sources, while vitamin D2 comes from fungi and yeast. Studies point to D3 being more reliable at raising blood vitamin levels and longer lasting.
Why is vitamin D3 taken with food?
Vitamin D3 is fat soluble, and its absorption depends on the bile salts released when fat is present in a meal. Taking it on an empty stomach lowers the proportion that reaches the bloodstream.
Is a 10,000 IU strength taken daily?
A strength of 10,000 IU is among the high ones, and how often it is repeated is set by a physician after measuring blood vitamin D. Vitamin D3 is stored in fatty tissue and not cleared quickly, which is why high strengths are followed with periodic testing.
Cautions
- Not intended for pregnant or breastfeeding women.
- Not intended for anyone under 18 years of age.
- Consult a physician before using high strengths, when taking long-term medication, or in the presence of elevated blood calcium or kidney stones.
- Do not combine several supplements containing vitamin D at the same time.
- Not a substitute for a balanced diet.
Your satisfaction matters most to us. If you are not happy with your purchase for any reason, you can return it within 30 days of delivery for a full refund.
How do returns work?
Contact us on WhatsApp +962 7 8162 0564 or by email at qtrat.al97ah@qtrat.net
We arrange collection from your address at no cost to you.
We refund the full amount — including the delivery fee.
Are your products genuine?
Yes. Everything is imported from the United States, the United Kingdom and Turkey, and the Best Before date is printed on each product page.
How long does delivery take?
One to two working days, to every governorate in Jordan.
What does delivery cost?
Free on orders over 29 JOD. Below that, a small delivery fee applies, which our team confirms with you when the order is placed.
How can I pay?
Cash on delivery, Visa or Mastercard at the door, or CliQ. PayPal is available on request — message us and we will send you a payment link.
Can I return a product?
Yes. Our policy is deliberately flexible: if the product is not right for you, for any reason, you get a full refund including the delivery fee. Details in our Refund Policy.
How do I reach you?
WhatsApp +962 7 8162 0564, email qtrat.al97ah@qtrat.net, or through Facebook and Instagram.
