Valupak Vitamin D 1000iu Tablets 60

Vitamin D deficiency is one of the most common nutritional shortfalls in the UK, particularly during autumn and winter when sunlight is insufficient for the skin to produce adequate amounts. Valupak Vitamin D 1000 IU tablets provide 25 mcg of vitamin D3 (cholecalciferol) per tablet, delivering 2.5 times the standard NHS-recommended daily dose in a convenient once daily supplement. Vitamin D contributes to the maintenance of normal bones and teeth, the normal function of the immune system, and normal muscle function. Available without a prescription, Valupak Vitamin D 1000 IU is suitable for adults looking to support their vitamin D levels year-round, particularly those at higher risk of deficiency.

Valupak Vitamin D 1000 IU tablets contain vitamin D3 (cholecalciferol), the form of vitamin D most closely resembling that produced naturally in the skin when it is exposed to sunlight. Each tablet provides 1000 International Units (IU) of vitamin D3, which is equivalent to 25 micrograms (mcg). The NHS recommends that all adults in the UK take a daily vitamin D supplement of 10 mcg (400 IU) throughout the year to maintain adequate vitamin D levels. This product provides 1000 IU, which is 2.5 times the NHS recommendation.

Vitamin D is a fat-soluble vitamin. Unlike most other vitamins, the body can produce vitamin D itself when the skin is exposed to ultraviolet B (UVB) sunlight. In the UK, from approximately October to March, the angle of sunlight means there is insufficient UVB radiation for adequate vitamin D synthesis through the skin. Even in summer, many adults spend insufficient time outdoors, cover their skin, or have darker skin tones that require longer sun exposure to produce the same amount of vitamin D. The NHS therefore recommends supplementation as a practical and reliable way to maintain adequate vitamin D levels throughout the year.

The pack contains 60 tablets, providing a 60-day supply at one tablet per day. Vitamin D3 (cholecalciferol) is the preferred supplemental form as it is more effective at raising and maintaining blood vitamin D levels than vitamin D2 (ergocalciferol).

Vitamin D functions primarily as a hormone like compound after activation in the body. Vitamin D3 from supplements is converted first in the liver to 25-hydroxyvitamin D (calcidiol), then in the kidneys to the active form 1,25-dihydroxyvitamin D (calcitriol). Calcitriol binds to vitamin D receptors throughout the body to exert its effects.

Bone Health and Calcium Absorption

Vitamin D contributes to the maintenance of normal bones and teeth and to the normal absorption of calcium and phosphorus from food. Without adequate vitamin D, the intestine cannot absorb calcium efficiently. This leads to secondary hyperparathyroidism, where the parathyroid gland extracts calcium from bones to maintain blood calcium levels. Over time, this reduces bone mineral density and increases fracture risk. Adequate vitamin D alongside sufficient calcium intake supports the maintenance of normal skeletal health.

Immune Support

Vitamin D contributes to the normal function of the immune system. Vitamin D receptors are present on most immune cells, including T cells, B cells, and macrophages. Adequate vitamin D status supports both the innate (immediate) and adaptive (learned) immune responses. Low vitamin D levels have been associated in research with increased susceptibility to certain infections. Supplementation to maintain normal vitamin D status supports the immune system functioning normally as part of overall nutrient support.

Muscle Function and Overall Wellness

Vitamin D contributes to the maintenance of normal muscle function. Vitamin D receptors in muscle cells play a role in muscle contraction and strength. Low vitamin D levels are associated with muscle weakness, which is particularly relevant for older adults, in whom falls and associated fractures are a significant health concern. Maintaining adequate vitamin D through supplementation contributes to normal muscle function and supports overall wellness alongside a healthy diet and lifestyle.

Always follow the dosage instructions on the product label.

• Take one tablet daily.
• Vitamin D is fat soluble. Taking the tablet with a meal containing some fat may improve absorption.
• Swallow the tablet whole with a glass of water, or as directed on the product label.
• Take at the same time each day as part of your daily routine.
• Do not exceed the stated dose.
• If you take other supplements or medicines that contain vitamin D, such as calcium and vitamin D combinations or multivitamins, check the combined total daily vitamin D intake to avoid exceeding safe levels. The safe upper limit for vitamin D supplementation is 100 mcg (4000 IU) per day for adults, established by the Scientific Advisory Committee on Nutrition (SACN). Valupak Vitamin D 1000 IU provides 25 mcg per day, well within this limit for most adults. However, if you take multiple supplements containing vitamin D, it is sensible to add up your total combined intake.

Valupak Vitamin D 1000 IU (25 mcg) Tablets

Each tablet provides 1000 IU (25 mcg) of vitamin D3 (cholecalciferol). This is 500 percent of the Nutrient Reference Value (NRV) for vitamin D, which is 5 mcg. It provides 2.5 times the NHS recommended daily supplement dose of 10 mcg (400 IU).

The 1000 IU dose is widely used in the UK and is appropriate for adults who want a higher daily supplement dose than the standard 400 IU, or who have been advised by a healthcare professional that a higher dose is suitable for their circumstances. It is particularly relevant for adults at higher risk of low vitamin D levels, including those with limited sun exposure, darker skin tones, older adults, and those who are housebound. Always check with your GP if you are unsure about the right dose for your situation.

Valupak Vitamin D 1000 IU is distinct from prescription-strength vitamin D preparations used to treat confirmed severe deficiency, which are typically at doses of 800 IU daily for maintenance (available on prescription as Fultium or Desunin) or much higher loading doses. If your GP has confirmed vitamin D deficiency through a blood test and has recommended a therapeutic loading dose, follow their specific guidance.

Valupak Vitamin D 1000 IU is well tolerated by most adults at the recommended dose of one tablet per day. Side effects from vitamin D supplements at standard supplemental doses are uncommon.

Signs of Vitamin D Toxicity (Hypervitaminosis D)

Vitamin D toxicity is rare from food supplements taken at recommended doses, as 1000 IU (25 mcg) per day is well within safe limits. Toxicity is associated with very high doses taken over a prolonged period, typically above 4000 IU (100 mcg) per day. Symptoms of vitamin D toxicity include nausea, vomiting, weakness, frequent urination, and confusion. These symptoms arise because excess vitamin D causes raised blood calcium (hypercalcaemia). If you experience any of these symptoms and are taking multiple supplements containing vitamin D, seek medical advice.

Speak to a Pharmacist or GP Before Taking If You:

• Take other supplements or medicines containing vitamin D, including calcium and vitamin D combinations, multivitamins, or prescription vitamin D. Check combined daily intake.
• Have sarcoidosis, hyperparathyroidism, or any condition that affects calcium or vitamin D metabolism. These conditions can increase sensitivity to vitamin D and calcium.
• Have kidney disease. The kidneys are involved in activating vitamin D, and those with kidney disease may need their vitamin D supplementation managed by a GP.
• Take thiazide diuretics (such as bendroflumethiazide). Combined with vitamin D supplementation, these can increase calcium levels in some patients.

This Supplement May Be Suitable For:

• Adults who wish to support their vitamin D levels above the standard 400 IU NHS recommendation.
• Adults with limited sun exposure, including those who work indoors, are housebound, or cover their skin.
• Older adults, in whom vitamin D production in the skin is less efficient.
• Adults with darker skin tones, who require longer sun exposure to produce the same amount of vitamin D.
• Adults who have been advised by a pharmacist or GP that a higher vitamin D supplement dose is appropriate for them.
• Adults in the UK during autumn and winter, when sunlight is insufficient for vitamin D production through the skin.

Speak to a GP Before Taking If You:

• Have sarcoidosis, hyperparathyroidism, or a condition affecting calcium metabolism.
• Have kidney disease.
• Take thiazide diuretics.
• Already take multiple supplements containing vitamin D and are unsure about combined intake.
• Have been told your vitamin D blood levels are very low, as you may need a higher therapeutic dose under medical supervision.

Key interactions and cautions for Valupak Vitamin D 1000 IU:

• Thiazide diuretics (e.g. bendroflumethiazide): combined use with vitamin D supplementation can increase calcium levels in some patients. Speak to your GP if you take thiazide diuretics before starting vitamin D supplements.
• Combined vitamin D from multiple supplements: always check the vitamin D content of all supplements taken. Total combined daily vitamin D from supplements should not exceed 100 mcg (4000 IU) per day.
• Sarcoidosis and hyperparathyroidism: these conditions alter vitamin D and calcium metabolism. Standard supplemental doses may cause hypercalcaemia. Speak to your GP before supplementing.

Valupak Vitamin D 1000 IU tablets are a General Sale List product and do not require a prescription or pharmacist consultation. They can be purchased directly through Pharmacy Planet.

Pharmacy Planet is a GPhC registered online pharmacy. All products are genuine, properly stored, and handled by qualified pharmacy professionals. We stock the Valupak Calcium and Vitamin D combination product for those who want both nutrients in a single tablet, as well as standalone vitamin D for those who prefer to manage them separately.

If you have questions about vitamin D supplementation or which dose is most appropriate for you, our pharmacy team is happy to help.

Store in a cool, dry place below 25°C. Store away from direct sunlight and moisture. Vitamin D is light-sensitive. Keep the container tightly closed between uses. Keep out of the sight and reach of children. Do not use after the expiry date on the packaging. Full storage instructions are provided on the product packaging.

Pharmacy Planet is a GPhC registered online pharmacy committed to providing quality supplements and clear, honest information. Vitamin D is one of the most important supplements for adults in the UK, and we stock a range of doses and formats to suit different needs. All health claims on this page are EFSA-authorised for vitamin D. We follow all applicable GPhC, MHRA, and ASA regulations. We are committed to evidence-based information that helps you make confident health choices. Our pharmacists are available to answer questions about vitamin D or any other supplement we stock. We are committed to transparent, patient centred care.

References

1. NHS. Vitamin D. https://www.nhs.uk/conditions/vitamins-and-minerals/vitamin-d. Accessed May 2026.
2. Scientific Advisory Committee on Nutrition (SACN). Vitamin D and Health report. Public Health England. https://www.gov.uk/government/publications/sacn-vitamin-d-and-health-report. Accessed May 2026.
3. European Food Safety Authority (EFSA). Scientific Opinion on the substantiation of health claims related to vitamin D. EFSA Journal. https://efsa.onlinelibrary.wiley.com. Accessed May 2026.
4. NHS. Vitamins and minerals — Vitamin D. https://www.nhs.uk/conditions/vitamins-and-minerals/vitamin-d. Accessed May 2026.
5. Medicines and Healthcare products Regulatory Agency (MHRA). Yellow Card. https://yellowcard.mhra.gov.uk. Accessed May 2026.

Vitamin D Products

The table below compares the two vitamin D products in the Vitamins range. Both contain cholecalciferol (vitamin D3) but differ fundamentally in dose, classification, and intended use.

Important: This comparison is for general information only and does not replace medical advice. A prescriber will decide which treatment is suitable for you following an online consultation.