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Sunray Calcifediol Vitamin D Supplement | Fast-Acting Once-Weekly Vitamin D | High Bioavailability 25-Hydroxyvitamin D | Immune, Mood, Bone & Muscle Support | 7 Capsules
Clinically proven to help increase Vitamin D levels in as little as 4 hours.
Sunray Calcifediol Vitamin D Supplement | Fast-Acting Once-Weekly Vitamin D | High Bioavailability 25-Hydroxyvitamin D | Immune, Mood, Bone & Muscle Support | 7 Capsules
Item #: 89109325

Sunray Calcifediol Vitamin D Supplement | Fast-Acting Once-Weekly Vitamin D | High Bioavailability 25-Hydroxyvitamin D | Immune, Mood, Bone & Muscle

Item #: 89109325

NZD 63

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Clinically proven to help increase Vitamin D levels in as little as 4 hours.
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What Stands Out

High Potency
Delivers 75 mcg of calcifediol, ensuring optimal vitamin D levels with a once-a-week dosage for hassle-free supplementation.
Convenient Dosing
Weekly dosing simplifies vitamin intake, eliminating daily pills while maintaining crucial vitamin D benefits for bone and immune health.
Enhanced Absorption
Formulated for superior bioavailability, allowing the body to absorb vitamin D more efficiently compared to standard D3 supplements.

Product Details

Shop Sunray Calcifediol Vitamin D Supplement | Fast-Acting Once-Weekly Vitamin D | High Bioavailability 25-Hydroxyvitamin D | Immune, Mood, Bone & Muscle Support | 7 Capsules online at a best price in New Zealand. B0DG9C97JV
Package Weight1 Pound

Who Should Buy?

Suitable For
  • Vitamin D Deficiency

    Individuals diagnosed with Vitamin D deficiency or at risk for it should consider this weekly supplement for optimal levels.

  • Elderly Adults

    Older adults often have lower Vitamin D levels; this product can help maintain bone health and immune function.

  • Busy Lifestyles

    People with hectic schedules may prefer a once-a-week dose for convenience without daily supplementation hassle.

Not Suitable For
  • High Calcium Levels

    Those with hypercalcemia or high calcium levels should avoid this product due to potential adverse effects.

  • Specific Health Conditions

    Individuals with certain health conditions such as kidney disease may not tolerate high doses of Vitamin D well.

  • Children and Adolescents

    Younger populations typically require different dosages and should consult a healthcare provider before use.

Product Description

Sunray Calcifediol Vitamin D Supplement | Fast-Acting Once-Weekly Vitamin D | High Bioavailability 25-Hydroxyvitamin D | Immune, Mood, Bone & Muscle Support | 7 Capsules

Dietary Supplement Disclaimer

Statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease or health condition.


Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is Immunotec Sunray - Calcifediol 75 mcg?

    Answer: Immunotec Sunray is a dietary supplement that delivers Calcifediol, an advanced form of Vitamin D, in a convenient once-a-week dose. It is designed to support bone health and enhance immune function. By using Calcifediol, which is more bioavailable than traditional Vitamin D3, it ensures superior absorption into the bloodstream, making it effective for those needing a potent vitamin D boost. It is especially suitable for individuals with limited sun exposure or those looking to maintain optimal levels of vitamin D efficiently.
  • Question: How does Calcifediol differ from standard Vitamin D?

    Answer: Calcifediol is a metabolite of Vitamin D that offers enhanced absorption and utilization in the body compared to standard Vitamin D3 (cholecalciferol). It’s already converted to a form that the body can use efficiently, which avoids the need for additional conversion. This is particularly useful for people with absorption issues or those who require a rapid increase in vitamin D levels. Incorporating Calcifediol can lead to quicker health benefits, especially in bone and immune health.
  • Question: What are the benefits of taking Immunotec Sunray?

    Answer: Taking Immunotec Sunray can provide several benefits, including improved bone density, enhanced immune system support, and better mood regulation. The superior absorption of Calcifediol helps ensure that your body can effectively utilize vitamin D for these functions. For individuals who often feel fatigued or experience low energy levels, this supplement can help elevate overall vitality and wellness. Additionally, for those living in regions with limited sunlight, this product becomes crucial in preventing deficiencies.
  • Question: How often should I take Immunotec Sunray?

    Answer: Immunotec Sunray is designed for a once-a-week dose, making it easy to incorporate into your routine without the need for daily supplementation. This dosing schedule is particularly convenient for those who may struggle to remember daily vitamins or who prefer less frequent supplementation. Following this schedule ensures that your body maintains optimal vitamin D levels with minimal effort, allowing you to focus on other health goals while also supporting your bone and immune health.
  • Question: Are there any side effects associated with Calcifediol?

    Answer: Calcifediol is generally well-tolerated when taken as directed. However, excessive intake may lead to elevated calcium levels, which can cause side effects such as nausea, headaches, or dizziness. It is essential to adhere to the recommended dosage and consult with a healthcare professional if you have pre-existing conditions or are on medication that affects calcium metabolism. Monitoring your vitamin D levels regularly can help ensure safe and effective use.
  • Question: Who should consider taking Immunotec Sunray?

    Answer: Immunotec Sunray is ideal for individuals seeking to boost their Vitamin D levels, particularly those who have limited sun exposure, older adults, and people with certain health conditions that affect vitamin D metabolism. Additionally, athletes or active individuals may benefit from improved muscle function and recovery associated with adequate vitamin D levels. If you are unsure whether this supplement is right for you, consult a healthcare provider for individualized advice.
  • Question: Can Immunotec Sunray be taken with other supplements?

    Answer: Yes, Immunotec Sunray can typically be taken alongside other supplements, especially minerals like calcium and magnesium, which complement the benefits of vitamin D. However, it is always advisable to check with a healthcare professional before starting any new supplement regimen to ensure there are no potential interactions with other medications or supplements you may be taking. This can help you maximize the health benefits without any adverse effects.
  • Question: Is Immunotec Sunray suitable for vegetarians or vegans?

    Answer: Immunotec Sunray's formulation primarily uses Calcifediol derived from animal sources, which may make it unsuitable for strict vegetarians or vegans. However, those who consume animal-derived products may find this supplement beneficial for addressing vitamin D deficiencies. For plant-based alternatives, individuals might consider vegan vitamin D2 derived from yeast or lichen. Always read the labels and consult with a healthcare professional if dietary restrictions are a concern.
  • Question: Where can I buy Immunotec Sunray in New Zealand?

    Answer: You can purchase Immunotec Sunray - Calcifediol 75 mcg at Ubuy in New Zealand. Ubuy offers a wide selection of Immunotec products, ensuring you get authentic and high-quality supplements directly to your door. With convenient online shopping and customer support, finding the right health products is streamlined and straightforward.

Nutritionist's Take

Immunotec Sunray's Vitamin D3 supplement, which contains calcifediol, provides a significant dose of 75 mcg taken once a week. This formulation is beneficial as it supports bone health, immune function, and may improve mood, particularly in individuals with low vitamin D levels. The use of calcifediol, a bioactive form of vitamin D, may enhance absorption and efficacy compared to traditional D3 supplements. However, potential drawbacks include the lack of comprehensive long-term studies on calcifediol and the precise dosage for individuals, which can vary based on age, health status, and geographical location. As always, consumers should consider their dietary needs and existing health conditions before supplementation. Overall, Immunotec Sunray may be a good choice for those with specific vitamin D deficiencies, but regular monitoring of vitamin D levels is recommended.

Immunotec Vitamin D Editorial Review

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“Purchased a YAMATIC 3/4" Shaft Horizontal Pressure Washer Pump 3400 PSI 2.5 GPM as a replacement for my GC190 water blaster. Fits perfectly and works well. Easy transaction and reasonable delivery to New Zealand.”

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“First time using Ubuy. Simple to use, well packed and faster than expected delivery. Was about the only way to get this item I've been after for almost a year … thank you Ubuy!”

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“First time using Ubuy and very impressed. Items arrived from the USA super fast and are such a top-quality product. I will definitely be back to purchase again. Cannot recommend you highly enough for a hassle-free & efficient service. Thank you so much. I am one very happy customer.”

14 May 2026 · via Trustpilot
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“Very happy with the light. I wanted something a little different for a bedside lamp and find this is great. Easy to operate with a single button to turn it off and on and control the brightness and colour temperature. The item was sent quickly and a hassle free purchase.”

23 April 2026 · via Trustpilot
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