Skip to product information
1 of 8

BulkSupplements.com Vitamin D3 Powder - 5000 IU per Serve, 1 kg

BulkSupplements.com Vitamin D3 Powder - 5000 IU per Serve, 1 kg

Regular price $104.17 AUD
Sale price $104.17 AUD Regular price
Save % Sold out

Buy more, save more

BulkSupplements.com Vitamin D3 Powder - 5000 IU per Serve, 1 kg

Regular price $104.17
Sale price $104.17 Regular price
Save % Sold out
  • American Express
  • Apple Pay
  • Bancontact
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • MB WAY
  • PayPal
  • Satispay
  • Shop Pay
  • Visa

Vitamin D is essential for overall health, but many Australians may not get enough from sun and diet alone. This Vitamin D3 Powder provides a pure, convenient option to maintain adequate levels.

Who Might Need Extra Vitamin D3?

Many people may not get enough vitamin D from sun exposure and diet alone. Factors that can increase the need for supplementation include:

  • Limited sun exposure (e.g., during winter months, in southern latitudes, or due to indoor lifestyle)
  • Darker skin, which reduces the skin’s ability to produce vitamin D from sunlight
  • Older age, as the skin becomes less efficient at synthesising vitamin D
  • Digestive conditions that affect fat absorption (since vitamin D is fat-soluble)
  • Following a vegan or vegetarian diet (though this D3 is typically derived from lanolin; check label for vegan status)

If you suspect you have low vitamin D, a simple blood test can help determine your status. Always consult with a healthcare professional before starting a new supplement regimen.

Key Benefits of Supplementing with Vitamin D3

Vitamin D contributes to several essential functions in the body. While individual results may vary, research suggests that adequate vitamin D intake supports:

  • Bone health – Vitamin D helps maintain normal calcium and phosphorus levels, which are necessary for strong bones and teeth.
  • Immune function – It plays a role in the normal functioning of the immune system, helping the body defend against everyday challenges.
  • Calcium absorption – Proper vitamin D levels are essential for the absorption of calcium from the diet.
  • Muscle function – Vitamin D contributes to normal muscle contraction and may support mobility and balance.
  • Mood and wellbeing – Some studies link adequate vitamin D levels to a positive mood, though more research is needed.

Remember that vitamin D is fat-soluble, so taking it with a meal containing healthy fats can improve absorption. This powder can be mixed with milk, yoghurt, or a smoothie for best results.

What Is Vitamin D3 Powder?

Vitamin D, often called the “sunshine vitamin,” plays a vital role in maintaining overall wellbeing. This Vitamin D3 Powder from BulkSupplements.com delivers cholecalciferol—the same form your body naturally produces when exposed to sunlight—in a convenient, versatile powder. Each 50 mg serve provides 125 mcg (5,000 IU) of vitamin D3, making it easy to customise your intake. Unlike vitamin D2 (ergocalciferol), D3 is more effective at raising and maintaining blood levels of 25-hydroxyvitamin D, the marker used to assess vitamin D status.

This product is gluten free and packaged in a 1 kg bulk container, ideal for long-term use or for those who prefer to control their serving size. The powder form allows flexible dosing—mix it into your favourite beverage or food, or simply take it as directed.

How to Use This Vitamin D3 Powder

This powder form offers flexibility. The recommended serve is 50 mg (approximately 1/20th of a teaspoon; use a milligram scale for accuracy). Mix the powder into water, juice, or your favourite beverage. Because vitamin D is fat-soluble, consider taking it with a meal containing fat (e.g., eggs, avocado, nuts). Start with one serve daily, or as directed by your healthcare professional. The 1 kg package provides 20,000 serves, making it economical for daily use.

Quality and Purity

BulkSupplements.com is committed to producing high-quality supplements. This product is tested for purity and potency, and it is gluten free. The powder contains no added fillers, artificial colors, or preservatives. As with all supplements, store it in a cool, dry place away from direct sunlight, and keep the container tightly sealed to maintain freshness.

Safety and Considerations

Vitamin D3 is generally well tolerated when taken as recommended. Because it is fat-soluble, it can accumulate in the body, so it is important not to exceed the suggested serve without medical advise. The tolerable upper intake level for adults is 4,000 IU (100 mcg) per day, though higher doses may be used under medical supervision. Potential side effects of excessive intake include nausea, weakness, and kidney issues. If you are pregnant, nursing, taking medications, or have a medical condition, consult your healthcare provider before use. Keep out of reach of children. Always read the label and follow directions for use.

This product is not intended to diagnose, treat, or prevent any disease.

Worldwide Delivery

Vitamins4Australia offers free shipping to Australia & the US on every order, with no minimum spend required. Most orders are delivered within 2–7 business days after dispatch, and tracking details are sent by email once the order leaves fulfilment.

Returns and support

Vitamins4Australia offers straightforward post-purchase support with a clear returns process. Please check the store returns policy before sending an item back, as final eligibility may depend on product condition, packaging integrity and whether the return request is started within the stated return window.

How to choose

Use the product description, ingredient list, serving information and available variants to compare supplement options. Always check the full ingredient list, directions for use and any allergen information on the product packaging before taking any food supplement.

Ingredients and important information

Ingredient lists and formulations may vary by batch or supplier. Always check the product packaging for the most up-to-date information. Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle. Do not exceed the recommended daily intake. If you are pregnant, nursing, taking medication or have a medical condition, consult your healthcare professional before use.

View full details
  • Free standard deliveryUsually 2–7 business days to Australia, after 1–3 days to prepare
  • 30-day returnsOn unopened items in original packaging
  • Secure checkoutProcessed by Shopify with major cards accepted
  • Real supportEmail or phone, answered by our team

☆☆☆☆☆

Buying guide and questions

Supplement guide

BulkSupplements.com Vitamin D3 Powder - 5000 IU per Serve, 1 kg at Vitamins4Australia

Vitamin D is essential for overall health, but many Australians may not get enough from sun and diet alone. This Vitamin D3 Powder provides a pure, convenient option to maintain adequate levels.Who Might Need Extra Vi...

Category Vitamin D
Delivery area Worldwide
Checkout Secure checkout
Brand BulkSupplements
Price $104.17
Availability In stock
5000 IUBone HealthBulk SizeBulkSupplementsCalcium AbsorptionCholecalciferolDietary SupplementGluten-FreeHigh PotencyImmune Support

How to choose if this supplement fits your routine

Read the ingredient list, check the serving size and directions for use. Consider the supplement form (tablet, capsule, liquid) and whether it suits your dietary requirements. Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle.

Questions about BulkSupplements.com Vitamin D3 Powder - 5000 IU per Serve, 1 kg

Is BulkSupplements.com Vitamin D3 Powder - 5000 IU per Serve, 1 kg available worldwide?

Yes. This product is currently available on Vitamins4Australia with free shipping to Australia & the US.

How should I compare this with similar supplements?

Compare the active ingredients, serving size, number of servings per container, supplement form, brand reputation and price per serving. Check allergen information if relevant to your dietary needs.

Where can I find delivery and returns information?

Delivery information is shown near the add to cart area. Returns guidance is available on the product page and full terms are covered in the store returns policy.