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Mega D3 (Cholecalciferol) 40,000 IU x 30 capsules

Mega D3 (Cholecalciferol) 40,000 IU x 30 capsules
Doc's Choice

Mega D3 (Cholecalciferol) 40,000 IU x 30 capsules

R219.00

High-Potency Vitamin D3 for Strong Bones, Immunity, and Everyday Vitality

Availability: 250 in stock

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SKU: DF-MD30C Categories: , , , , , , , , , , Tags: , , , , , , Brand:
Rated 4.97 out of 5 based on 35 customer ratings
(35 customer reviews)

Mega D3 Cholecalciferol – 40,000 IU x 30 Capsules

Mega D3 Cholecalciferol is a high-potency vitamin D supplement delivering 40,000 IU per capsule. Vitamin D3, also known as cholecalciferol, plays a vital role in supporting immunity, bone strength, mood balance, and overall vitality. This formulation provides targeted support for individuals who need to correct or maintain healthy vitamin D levels.

Who May Benefit

This supplement may benefit individuals with low vitamin D levels, those who have limited sun exposure, or anyone seeking to strengthen their bones, muscles, and immune defenses. It is also helpful for people managing fatigue, mood fluctuations, or chronic conditions that require optimal vitamin D support. Athletes, older adults, and individuals with higher nutrient demands may especially benefit from the extra potency of Mega D3.

Uses

  • Supports immune health and resilience
  • Promotes strong bones and muscle function
  • Aids mood regulation and energy balance
  • Helps correct vitamin D deficiency

Directions

Adults: Take 1 capsule weekly or as directed by your healthcare provider.

Safety & Precautions

  • Consult a healthcare provider before use if pregnant, breastfeeding, or taking medication.
  • Store in a cool, dry place away from direct sunlight. Keep out of reach of children.

Disclaimer: This product is not intended to diagnose, treat, cure, or prevent any disease. Always consult your healthcare professional before use.

FAQs

Mega D3 Q&A

Mega D3

  • Doc Frank's Mega D3 capsules contain a high potency of 40,000 IU (International Units) of Vitamin D3 (cholecalciferol) per capsule. The recommended dosage for this specific product is one capsule once weekly.
  • D-Ribose is included to enhance the absorption of Vitamin D3. It is claimed that D-Ribose enhances local ATP (adenosine triphosphate) production at the site where the Vitamin D3 is released from the capsule, and this ATP is used to increase D3 absorption.
  • Doc Frank offers two main alternatives to the weekly Mega D3 capsule:
    • D3Light Drops: These provide 1,000 IU of Vitamin D3 per drop, allowing users to customize their exact daily dose by adding drops to food or taking them directly on the tongue.
    • Daily D3Light Softgels: These provide 5,000 IU of Vitamin D3 per softgel for once-daily use, intended for strong immune, bone, and mood support.
  • The weekly dose of 40,000 IU averages out to approximately 5,714 IU per day. While this is considered a high-potency supplement, it is often aimed at correcting deficiencies or for specific health goals under guidance, as it is higher than the typical daily maintenance doses often recommended (e.g., 600–4,000 IU).
  • Yes, Magnesium is often recommended alongside high-dose Vitamin D. Doc Frank sometimes recommends MgO (Magnesium Oxide) at 240 mg per capsule, taken once daily, because magnesium is an essential cofactor required for the activation and metabolism of Vitamin D in the body.
  • Documents suggest that the dosage of Vitamin D3 should be doubled if blood levels are lower than 40 ng/ml. For example, a user with a blood result of 19.0 ng/ml might be advised to take two 40,000 IU capsules per week instead of one.
  • Scientific evidence generally indicates that Vitamin D3 (cholecalciferol) is more effective than Vitamin D2 in raising and maintaining serum 25-hydroxyvitamin D [25(OH)D] levels for longer durations, which is why it is the preferred form used in Doc Frank’s products.
  • Mega D3 and related products are marketed for broad support, including Immunity, Bone Health, Brain Health, Mood, Anxiety, and Heart Health.
  • Vitamin D toxicity (hypervitaminosis D) is rare but possible, typically resulting from prolonged intake exceeding 10,000 IU per day. Toxicity is primarily caused by hypercalcemia (excessive blood calcium). Symptoms include nausea, vomiting, weakness, frequent urination, and potential kidney problems.
  • For daily doses of 25,000 IU or more, some protocols insist on checking Serum 25-OH-D, corrected calcium, eGFR (estimated glomerular filtration rate), and PTH (parathyroid hormone), with 25-OH-D levels repeated at 8 weeks.
  • Vitamin D3 acts as an immunomodulator. Immune cells (macrophages, T and B lymphocytes) possess Vitamin D Receptors (VDRs). When activated, D3 regulates the production of antimicrobial peptides (like cathelicidin) and helps reduce excessive inflammation by modulating cytokine production.
  • Doc Frank's perspective is that 1,000 IU per capsule is "far too low to provide any notable effects," and suggests taking at least five of these daily to get "any real benefit," supporting the rationale for the higher Mega D3 dosage.
  • For oncology patients, the target range is noted as 150–200 nmol/L (≈ 60–80 ng/mL). The general "ordinary wellness" range is cited as 100–150 nmol/L.
  • Documents flag interactions with certain medications: thiazide diuretics (due to hypercalcemia risk) and digoxin (risk of enhanced toxicity).
  • Vitamin D receptors are found on pancreatic beta cells. Vitamin D is believed to help improve insulin sensitivity and enhance insulin secretion, thereby playing a supportive role in glucose metabolism.
  • D3Light Drops can be added to food or dropped straight on the tongue, offering maximum flexibility for daily dosing.
  • While high-dose Vitamin D (like Mega D3) is foundational, other supplements (like Brain-Mag) are often the "next step" for "increased focus and attention," also as Vitamin D3 works synergistically to support cognitive functions.
  • No; Mega D3 should be continued up to and including the day of the procedure.
  • Yes, Vitamin D3 plays a role in muscle function and strength. Supplementation has been shown to improve muscle strength, balance, and reduce the risk of falls, particularly in individuals who are deficient.
  • The shelf life printed on the 50,000 IU blister strips is quoted as 36 months from manufacture.

Uncategorized FAQ

  • Vitamin D receptors are found on pancreatic beta cells. Vitamin D is believed to help improve insulin sensitivity and enhance insulin secretion, thereby playing a supportive role in glucose metabolism.

35 reviews for Mega D3 (Cholecalciferol) 40,000 IU x 30 capsules

  1. Rated 5 out of 5

    Gareth M. –

    Fantastic service with super fast delivery. Well done team !!!!

  2. Rated 5 out of 5

    Chantel K. –

    Best Vit D supplement available

  3. Rated 5 out of 5

    Nita W. –

    The MegaD3 has been a great help in both treating and especially avoiding illness. I’m never without it!

  4. Rated 5 out of 5

    Lynette W. –

    My whole family use this Mega D3, it is such a comfort to know that this is a cost effective way for us all to get our daily requirement.

  5. Rated 4 out of 5

    Jason M. –

    Great service and delivery. First time using this so time will tell for any benefits going forwards.

  6. Rated 5 out of 5

    Pride K. –

    This is the best product you can ever get.

  7. Rated 5 out of 5

    Ilse G. –

    Very good product. Definitely recommend it. Great and fast service.

  8. Rated 5 out of 5

    INGE V. –

    Been using this product for many years as majority of South Africans are short of D3.

  9. Rated 5 out of 5

    Liz B. –

    Neither myself nor my husband, nor several members of family and friends could live with out this product! We generally take 1 per week unless we’re feeling ‘under the weather’ then we take 2 per week.

  10. Rated 5 out of 5

    Alma M. –

    Great products and great service received. Felt better restively soon after started the Mega Vit D3. Well worth if your levels get it up quickly. Highly recommend.

  11. Rated 5 out of 5

    Sharon f. –

    I had been reading about Cholecalciferol and was battling to try and find a good supplier so I am delighted I now have a good source of Vit D3 top up in easy to take capsule form Taking one capsule twice a week so a bottle of 30 will last a good while.

  12. Rated 5 out of 5

    Alexandra C. –

    Very effective, love it

  13. Rated 5 out of 5

    Pat D. –

    Very happy especially with the high dose which is not easy to find elsewhere. I will be ordering again when I run out.

  14. Rated 5 out of 5

    Nita W. –

    I’m so thankful for this high dosage vit D3. I couldn’t do without it.

  15. Rated 5 out of 5

    Kim M. –

    Such an awesome product

  16. Rated 5 out of 5

    charles k. –

    We have been on the 5 products of Mega D3, Re-Mind, Phaphama Vitality Tonic, Cancer Bush (Sutherlandia frutescens), Fulvic Acid 400mg 60 and Bravo! 60 capsules and before that normal pharmacy stuff and doctors medicine, but since we took the above ones we havent been sick in over a year and 5 months

  17. Rated 5 out of 5

    Karin V. –

    Excellent D3 supplement with a high IU content.

  18. Rated 5 out of 5

    Hester V. –

    My husband and I have just started using our Vit.D3 supplement. The order was hassle free and quick and we hope our Vit. D levels will improve over the next few months. I think it is an excellent quality at a very good price.

  19. Rated 5 out of 5

    Mzwandile W. –

    The Mega D3 (Cholecalciferol) 40,000 IU x 30 capsules are great. And the price is reasonable.

  20. Rated 5 out of 5

    Lynde G. –

    Good quality at a good price

  21. Rated 5 out of 5

    Andrè K. –

    Very important to build a stronger immune system

  22. Rated 5 out of 5

    Herma d. –

    How amazing is Science to come up with truth that cancels all the fake information that was promoted over the years. Supplementing the sunshine is also very beneficial to the body and the working of our circadian rhythm.

  23. Rated 5 out of 5

    Neill L. –

    Rheumatologist is happy with increase in D3 levels as shown in blood tests

  24. Rated 5 out of 5

    Ruth C. –

    Great product. Got my daughter’s and my own Vit D levels up to where they should be. Helped improve our health, immunity and heal broken bones.

  25. Rated 5 out of 5

    RAYMOND S. –

    Responsive to my special request: I made an additional order for the same delivery and there were no additional delivery charges. Courteous and helpful on the phone and everything went smoothly with the delivery!

  26. Rated 5 out of 5

    Marisa J. –

    My Rheumatologist recommended this product to me because I had low Vitamin D levels. Within 6 months of taking it my levels had doubled to be within the preferred range. I am still taking this product once a week to keep my levels within the preferred levels.

  27. Rated 5 out of 5

    Neill L. –

    improved my D3 to Rheumatologist recommended level

  28. Rated 5 out of 5

    Angie R. –

    Fabulous product been taking for last year! Good quality and well priced and excellent service delivery to JHB! Thank you Integrow!

  29. Rated 5 out of 5

    Margaretha W. –

    This, together with Sutherlandia (and probably a few other supplements I taking) seems to have made most of my psoriasis problems go away. As I don’t get much sun, I take this twice weekly

  30. Rated 5 out of 5

    Nicolas D. –

    Your products are excellent, thank you.

  31. Rated 5 out of 5

    Denise B. –

    Excellent product, has really helped me. Service is also outstanding. I recommend all my family and friends.

  32. Rated 5 out of 5

    Esme L. –

    I have just started using it. The prompt delivery has impressed me

  33. Rated 5 out of 5

    Petro T. –

    Die diens was uitstekend!!!! Vandag produk begin gebruik sal later kan terugvoering kan gee oor produk!!

  34. Rated 5 out of 5

    Miente S. –

    Best quality high strength product. Only need to take 1 capsule per week.

  35. Rated 5 out of 5

    Michelle J. –

    This is a great product. My husband and I use it once a week. The online ordering process is seamless and delivery is fast.

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