Description

Product Overview

Jamieson Extra Strength Vitamin D3 2,500 IU is a high-potency supplement that helps prevent vitamin D deficiency. It facilitates the absorption of calcium and phosphorus, which is important for maintaining strong bones and immune health.

Key Features

• Helps prevent vitamin D deficiency
• Facilitates calcium and phosphorus absorption for bone health
• Available in 180-count bottles
• Easy-to-swallow softgels or tablets
• Backed by scientific research
• Made in Canada with rigorous quality testing
  

  Key Benefits of Jamieson Extra Strength Vitamin D3 2,500 IU

  Helps Prevent Vitamin D Deficiency
  This high-potency vitamin D3 supplement helps ensure adequate vitamin D levels, which is important for bone, immune, and overall health.Facilitates Calcium and Phosphorus Absorption
  Vitamin D plays a crucial role in the absorption and utilization of calcium and phosphorus, which are essential minerals for maintaining strong bones.Convenient Single-Serving Dosage
  The product is available in easy-to-swallow softgels or tablets, providing 2,500 IU of vitamin D3 in a single daily serving.

  Key Ingredients

  The main active ingredient in this Jamieson supplement is:Vitamin D3 (Cholecalciferol)
  Vitamin D3 is the most bioavailable and effective form of vitamin D for human health.The non-medicinal ingredients may include:

  • Softgel capsule (gelatin, glycerin, purified water)
  • Tablet fillers and binders
  • Flavors, colors, or other excipients

  Mechanism of Action for Jamieson Extra Strength Vitamin D3 2,500 IU

  Vitamin D is a fat-soluble vitamin that plays a crucial role in various physiological processes in the body. The key mechanisms of action for this Jamieson vitamin D3 supplement include:Calcium and Phosphorus Absorption
  Vitamin D facilitates the absorption of calcium and phosphorus from the intestines. This helps maintain proper calcium and phosphorus levels in the blood, which is essential for bone mineralization and strength.Bone Health Regulation
  Vitamin D regulates calcium and phosphorus homeostasis, which is necessary for the mineralization and maintenance of healthy bones. It helps prevent conditions like osteoporosis and rickets.Immune System Support
  Vitamin D has been shown to modulate the immune system, helping to regulate immune cell function and reduce inflammation. This supports overall immune health.Cardiovascular Benefits
  Some research indicates vitamin D may also have positive effects on the cardiovascular system, potentially helping to maintain healthy blood pressure and cholesterol levels.                                 

  Potential Interactions with Vitamin D3

  The search results indicate that Vitamin D3 can interact with a number of common medications, including:Bile Acid Sequestrants (e.g. cholestyramine, colestipol)
  These drugs can decrease the absorption of Vitamin D3. Mineral Oil and Orlistat
  These medications can also decrease the absorption of Vitamin D3. Calcitriol
  Vitamin D3 is very similar to calcitriol, so they should not be used together. Certain Lab Tests
  Vitamin D3 may interfere with cholesterol and other lab tests, potentially causing false results. 

  Recommendations

  • Inform your doctor about all medications, supplements, and vitamins you are taking, including Vitamin D3.
  • Take Vitamin D3 with food, as it is better absorbed. 
  • Avoid taking Vitamin D3 at the same time as bile acid sequestrants, mineral oil, or orlistat. 
  • Do not take Vitamin D3 and calcitriol concurrently. 
  • Inform your healthcare providers that you are taking Vitamin D3 before any lab tests. 
  

  Vitamin D

  Group of fat-soluble secosteroids

  More

  Primary Function

  Increases intestinal absorption of calcium, magnesium, and phosphate; influences many other biological effects.

  Key Forms

  The most significant forms for humans are cholecalciferol (D3) and ergocalciferol (D2).

  Natural Sources

  Synthesized in the skin through UVB light from sun exposure; present in fatty fish, fortified foods, and supplements.

  Chemical Structure of Vitamin D3 (Cholecalciferol)

  Based on the search results, the key points about the chemical structure of Vitamin D3 (Cholecalciferol) are:Molecular Formula
  The molecular formula for Vitamin D3 is C27H44O.Structural Differences from Vitamin D2
  Vitamin D3 (cholecalciferol) differs from Vitamin D2 (ergocalciferol) in that it lacks a double bond between carbons 22 and 23, and does not have an additional methyl group at carbon 24.Precursor and Activation
  Vitamin D3 is synthesized in the skin from 7-dehydrocholesterol, which undergoes a photochemical reaction when exposed to UVB radiation from sunlight.Molecular Weight
  The average molecular weight of Vitamin D3 is 384.64 g/mol, with a monoisotopic mass of 384.33921603 g/mol.

  
  Key Precautions and Dietary Restrictions for Jamieson Extra Strength Vitamin D3 2,500 IU

  Interactions with Certain Medications
  Vitamin D3 can interact with some medications, including:

  • Bile acid sequestrants (e.g. cholestyramine, colestipol) – can decrease absorption of vitamin D3
  • Mineral oil and orlistat – can also decrease vitamin D3 absorption
  • Calcitriol – should not be taken concurrently with vitamin D3 as they are very similar

  Avoid Excessive Supplementation
  Do not take any other supplements containing calcium, phosphorus, or vitamin D without consulting your healthcare provider, as this can increase the risk of side effects from excessive vitamin D intake.Monitor Calcium and Vitamin D Levels
  If taking vitamin D3 for a medical condition, your doctor should monitor your calcium and vitamin D levels regularly to ensure they do not become too high.Caution with Certain Medical Conditions
  Inform your doctor if you have a history of:

  • High calcium or vitamin D levels
  • Malabsorption syndromes
  • Kidney or liver disease

  These conditions may require dose adjustments or closer monitoring.Pregnancy and Breastfeeding
  Vitamin D doses above the recommended dietary allowance should only be used during pregnancy or breastfeeding when clearly needed, and with guidance from your doctor.

  

  Symptoms of Vitamin D Toxicity

  1. Nausea and Vomiting
  2. Muscle Weakness
  3. Tiredness and Confusion
  4. Irritability
  5. Constipation
  6. Pain
  7. Less Appetite
  8. Dehydration
  9. Increased Thirst
  10. Peeing a Lot
  11. Kidney Stones
  12. Kidney Failure
  13. Irregular Heartbeat
  14. Death (in extreme cases)

  Causes of Vitamin D Toxicity

  • Taking Large Doses of Vitamin D Supplements: This is the most common cause, especially with high-dose supplements or prescription medications.
  • Accidental Overdose: This can occur due to mistakes in the way vitamin D products are made or prescribed.
  • Prescription Errors: Incorrect dosing or misinterpretation of instructions can lead to toxicity.
  • Fad Diets: Some diets may recommend excessive vitamin D intake, leading to toxicity.

  Diagnosis and Treatment

  • Physical Exam and Symptom Assessment: Doctors will examine patients and ask about symptoms.
  • Blood Tests: Vitamin D levels, calcium levels in blood and urine, and phosphate levels will be checked.
  • X-Rays: Bones may be checked for signs of hypercalcemia.
  • Treatment: Typically involves stopping vitamin D supplements, limiting calcium intake, and possibly using medications like steroids and bisphosphonates. In severe cases, hemodialysis may be necessary.

  Prevention

  • Follow Prescribed Doses: Ensure you take the dose your doctor prescribed.
  • Monitor Levels: Regular blood tests to check vitamin D levels.
  • Use Reliable Sources: Purchase supplements from licensed and reliable sources.
  • Consult Your Doctor: Discuss any concerns about vitamin D intake with your healthcare provider.

  Dosage
  The recommended dosage for Jamieson Extra Strength Vitamin D3 2,500 IU is:

  • Take 1 softgel or tablet per day, or as directed by your healthcare provider.

  Storage
  To properly store this Jamieson vitamin D3 supplement:

  • Keep the bottle in a cool, dry place away from light.
  • Do not store in the bathroom, as moisture and heat can degrade the product.
  • Keep out of reach of children.
  • Do not freeze.
  • Check the expiration date and discard any expired product.

  Reviews of Jamieson Extra Strength Vitamin D3 2,500 IU

  Based on the available search results, here is a summary of reviews for this Jamieson vitamin D3 supplement:Positive Reviews

  • Customers report the product is effective in maintaining adequate vitamin D levels.
  • Many users appreciate the high 2,500 IU potency in a convenient single-serving softgel or tablet.
  • Reviewers note the Jamieson brand is trusted for quality and purity.

  Role of Vitamin D3 in Bone Health

  Calcium and Phosphorus Absorption
  Vitamin D3 plays a crucial role in facilitating the absorption of calcium and phosphorus from the intestines. These minerals are essential for the mineralization and maintenance of strong, healthy bones.Bone Remodeling
  Vitamin D3 regulates the balance between bone resorption (breakdown) and bone formation. This helps ensure proper bone remodeling and prevents excessive bone loss associated with conditions like osteoporosis.Muscle Function
  Vitamin D3 is important for maintaining healthy muscle function. This helps reduce the risk of falls and fractures, which are common complications of osteoporosis.Bone Density
  Adequate vitamin D3 levels have been shown to help increase bone mineral density, making bones less prone to fractures.Preventing Rickets and Osteomalacia
  Severe vitamin D3 deficiency can lead to rickets in children and osteomalacia in adults, causing soft, weak bones. Maintaining proper vitamin D3 status prevents these debilitating bone diseases.