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21st Century D-1000, D3, Extra Strength, Tablets, Super Size - 30 tablets
21st Century D-1000, D3, Extra Strength, Tablets, Super Size - 30 tablets
21st Century D-1000, D3, Extra Strength, Tablets, Super Size - 30 tablets
21st Century D-1000, D3, Extra Strength, Tablets, Super Size - 30 tablets
21st Century D-1000, D3, Extra Strength, Tablets, Super Size - 30 tablets
21st Century D-1000, D3, Extra Strength, Tablets, Super Size - 30 tablets
21st Century D-1000, D3, Extra Strength, Tablets, Super Size - 30 tablets
21st Century D-1000, D3, Extra Strength, Tablets, Super Size - 30 tablets
21st Century D-1000, D3, Extra Strength, Tablets, Super Size - 30 tablets
21st Century D-1000, D3, Extra Strength, Tablets, Super Size - 30 tablets
21st Century D-1000, D3, Extra Strength, Tablets, Super Size - 30 tablets
21st Century D-1000, D3, Extra Strength, Tablets, Super Size - 30 tablets
21st Century D-1000, D3, Extra Strength, Tablets, Super Size - 30 tablets
21st Century D-1000, D3, Extra Strength, Tablets, Super Size - 30 tablets
21st Century D-1000, D3, Extra Strength, Tablets, Super Size - 30 tablets
21st Century D-1000, D3, Extra Strength, Tablets, Super Size - 30 tablets

21st Century D-1000, D3, Extra Strength, Tablets, Super Size - 30 tablets

(2,893 reviews)

Product Description:Vitamin D3 is essential for absorption of calcium and necessary support for healthy bones, teeth and immune system. Vitamin D also supports breast and colon health. Gluten free. No added sugar, yeast, preservatives, artificial flavours or colours. 21st Century vitamins and supplements are manufactured in a CGMP facility under the strictest standards for product quality, including potency and purity. 21st Century prides itself on providing you with a great product at the best value. This statement has not been evaluated by the food and drug administration. This product is not intended to diagnose, treat, cure or prevent any disease.

Product Description:Vitamin D3 is essential for absorption of calcium and necessary support for healthy bones, teeth and immune system. Vitamin D also supports breast and colon health. Gluten free. No added sugar, yeast, preservatives, artificial flavours or colours. 21st Century vitamins and supplements are manufactured in a CGMP facility under the strictest standards for product quality, including potency and purity. 21st Century prides itself on providing you with a great product at the best value. This statement has not been evaluated by the food and drug administration. This product is not intended to diagnose, treat, cure or prevent any disease.

$28.42 - $46.07

in 2 offers

The lowest price for 21st Century D-1000, D3, Extra Strength, Tablets, Super Size - 30 tablets right now is $28.42 at Amazon.com.au, compared across 2 retailers.

The all-time low was $8.07 on 18 Dec 2025 — today's price is 252% above the lowest ever. It has been notably cheaper before — worth setting a price alert.

Prices last updated 9 June 2026.

21st Century D-1000, D3, Extra Strength, Tablets, Super Size - 30 tablets

$28.42

(2,893 reviews)

Product Description:Vitamin D3 is essential for absorption of calcium and necessary support for healthy bones, teeth and immune system. Vitamin D also supports breast and colon health. Gluten free. No added sugar, yeast, preservatives, artificial flavours or colours. 21st Century vitamins and supplements are manufactured in a CGMP facility under the strictest standards for product quality, including potency and purity. 21st Century prides itself on providing you with a great product at the best value. This statement has not been evaluated by the food and drug administration. This product is not intended to diagnose, treat, cure or prevent any disease.

Product Description:Vitamin D3 is essential for absorption of calcium and necessary support for healthy bones, teeth and immune system. Vitamin D also supports breast and colon health. Gluten free. No added sugar, yeast, preservatives, artificial flavours or colours. 21st Century vitamins and supplements are manufactured in a CGMP facility under the strictest standards for product quality, including potency and purity. 21st Century prides itself on providing you with a great product at the best value. This statement has not been evaluated by the food and drug administration. This product is not intended to diagnose, treat, cure or prevent any disease.

Price comparison

Price data powered by pricesAPI.io

Last updated at 09/06/2026 13:29:07

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
Amazon.com.au

$28.42

21st Century D 1000 IU Tablets, 300 Count

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

eBay.com.au

$46.07

21st Century, Vitamin D3, 25 Mcg (1,000 Iu), 300 Tablets

Delivery $9.95

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Reviews

Avoid Soy Supplements
14 August 2021iHerb Customer

originally posted on iherb.com

It's important to check "other ingredients" before you buy.Foolishly I didn't read the ingredients before purchasing this. After opening it I noticed it is made with soybean oil (which may contain GMOs) which is very inflammatory to the body.Not only it contains soybean oil, this also contains safflower oil. Safflower oil is perhaps the worst - that’s because it has more linoleic acid — an inflammatory and easily spoiled polyunsaturated fatty acid (PUFA).The excess omega-6 PUFAs in safflower oil promote obesity and the linoleic acid increases inflammation.Try to find vitamin D that uses extra-virgin olive oil as a carrier, if not buy solid tablets instead.

Excellent
26 September 2022iHerb Customer

originally posted on iherb.com

Good to have have for winter time!READ BELLOW!!I'm a fit girl and try not to overlook vitamin which may have a protective effect against Viruses, according to recent research of it's ingredients and at the same time has no taste.Also it's called vitamin of sun, but during the winter time when there is sun deficiency and there is no sun absorption through the body, you can take one big size package of this vitamins which are highest quality, and not only the immunity but also your bones will be healthy and strong. Regarding dosage, I take as written on package. THUMBS UP if you find this review helpful!!!

Excellent!
10 May 2022iHerb Customer

originally posted on iherb.com

I can't live without this supplement. Vitamin D has several important functions. Perhaps the most vital are regulating the absorption of calcium and phosphorus, and facilitating normal immune system function. Getting a sufficient amount of vitamin D is important for normal growth and development of bones and teeth, as well as improved resistance against certain diseases. If your body doesn’t get enough vitamin D, you’re at risk of developing bone abnormalities such as soft bones (osteomalacia) or fragile bones (osteoporosis). Impossible to describe all the benefits of this vitamin. I highly recommend. If you think my comment helped you click yes!

Specification

Guaranteed Quality -Laboratory Tested
Best ByMarch 2024
Dimensions9.7 x 6.4 x 4.8 cm , 0.11 kg
Serving Size1 Tablet

Price comparison

Updated about 10 hours ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
Amazon.com.au

$28.42

21st Century D 1000 IU Tablets, 300 Count

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

eBay.com.au

$46.07

21st Century, Vitamin D3, 25 Mcg (1,000 Iu), 300 Tablets

Delivery $9.95

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Reviews

Avoid Soy Supplements
14 August 2021

It's important to check "other ingredients" before you buy.Foolishly I didn't read the ingredients before purchasing this. After opening it I noticed it is made with soybean oil (which may contain GMOs) which is very inflammatory to the body.Not only it contains soybean oil, this also contains safflower oil. Safflower oil is perhaps the worst - that’s because it has more linoleic acid — an inflammatory and easily spoiled polyunsaturated fatty acid (PUFA).The excess omega-6 PUFAs in safflower oil promote obesity and the linoleic acid increases inflammation.Try to find vitamin D that uses extra-virgin olive oil as a carrier, if not buy solid tablets instead.

iHerb Customer originally posted on iherb.com
Excellent
26 September 2022

Good to have have for winter time!READ BELLOW!!I'm a fit girl and try not to overlook vitamin which may have a protective effect against Viruses, according to recent research of it's ingredients and at the same time has no taste.Also it's called vitamin of sun, but during the winter time when there is sun deficiency and there is no sun absorption through the body, you can take one big size package of this vitamins which are highest quality, and not only the immunity but also your bones will be healthy and strong. Regarding dosage, I take as written on package. THUMBS UP if you find this review helpful!!!

iHerb Customer originally posted on iherb.com
Excellent!
10 May 2022

I can't live without this supplement. Vitamin D has several important functions. Perhaps the most vital are regulating the absorption of calcium and phosphorus, and facilitating normal immune system function. Getting a sufficient amount of vitamin D is important for normal growth and development of bones and teeth, as well as improved resistance against certain diseases. If your body doesn’t get enough vitamin D, you’re at risk of developing bone abnormalities such as soft bones (osteomalacia) or fragile bones (osteoporosis). Impossible to describe all the benefits of this vitamin. I highly recommend. If you think my comment helped you click yes!

iHerb Customer originally posted on iherb.com
Vitamin A is vital ✨
13 September 2022

I bought this vitamins for my eyes and skin. As we all knows vitamin A (Carotenoids/retinol) comes from yellow or orange vegetables or fruits. Since I cannot eat this vegetables usually, I think of taking this. It helps to maintain my normal vision also i feel my soft glowing after a week of taking 1x/day at lunch after meal. Size is small that you can easily swallow it. I escape taking it in days that I made smoothie with carrots and celery. It also helps body natural defense against illness and infection. It also important same as Vitamin C. 🤍

iHerb Customer originally posted on iherb.com
Прекрасно!
9 February 2022

Bone and Immunity Strengthening Vitamin supplement Gluten free Guaranteed quality - laboratory tested Vitamin D3 is essential for calcium absorption and maintaining healthy bones, teeth and immune system. Quality is excellent! Ingredients-Cellulose, croscarmellose sodium, maltodextrin, stearic acid. Contains < 2%: magnesium stearate, silicon dioxide. The taste is pleasant. The result is great! I wish everyone Health!

iHerb Customer originally posted on iherb.com
Чудово!
5 October 2022

I started this supplement after experiencing significant muscle weakness and loss of energy. I was not able to lift my arm above my head, due to the usual 'weakness' that I would experience, as well as feeling like my joints were stiff or achy at times. This product increased strength, felt less tired and overall improved overall health and wellness. It's cost-effective

iHerb Customer originally posted on iherb.com

Specification

Guaranteed Quality -Laboratory Tested
Best ByMarch 2024
Dimensions9.7 x 6.4 x 4.8 cm , 0.11 kg
Serving Size1 Tablet

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