Vitamin D3 on sale at Chemist Warehouse. 50 capsule will last almost entire year. I think it was normally is $40 so its more than half price. Grab yourself an ozbargain when you go past a Chemist Warehouse.
Ostevit-D Vitamin D3 7000IU 50 Capsules (S3 Pharmacist Only Medicine) $18.79 + Delivery ($0 C&C/ in-Store) @ Chemist Warehouse

Last edited 06/04/2025 - 21:48 by 1 other user
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Online only item?
Need vitamin K2 (MK7) goes together.
I buy mine D3 K2 from the US, a year's worth at a time. Every year, without fail, the product I bought the previous year is discontinued.
Most underrated vitamin
Shows $9.99 shipping for metro area
Amazon has 10k IU that comes with 250 tablets for $25 delivered if you and prime. Now sure if that's cheaper and better
https://amzn.asia/d/eXBrJihI’ve been using the CWH 7000 IU vitamin D for years. I take it every Sunday after lunch, which works out to 1000 IU per day. It’s easy to remember and has become a routine for me.
The 10,000 IU option from Amazon is a bit trickier. If you’re deficient, you might take it weekly, or otherwise every 10 days to average 1000 IU daily just to maintain the current Vitamin D level. But I find that hard to keep track of, since the 10-day schedule shifts each time. Unless you stick to dates like the 1st, 10th, and 30th of each month, it's easy to forget.
If you take the 10000 as you describe, (the 1st and 30th of each months) you'll be doing it very wrong
Google reminder is my best friend
I have been taking 10,000iu per day for 5 years. My levels are supreme. (150's consistently) and never get sick.
You could just take 10,000 once a week. That is still a reasonably low dosage
If you're taking K2 with it, 10,000 IU weekly isn't likely to cause issues, even if you're not deficient. Recent studies suggest it'd still be safe if you had it twice a week.
How is that once a week, 5000iu is the sweet spot for once a day
No idea. People need to check their bloodwork next time they have it done. I take 5000iu daily and doctor told me to keep doing what I'm doing.
You'd better get blood test on D3 level
From my memory, it becomes toxic if it's above 250
Better maintain at 100New studies show it's pretty much impossible to OD. People taking 50,000 a day still clocked in at 120
@Fishesass: Okay. If it's true, why take more and waste money? Better spend the money on K2 or magnesium
@Fishesass: And yet thousands of people get vitamin D toxicity every year, mostly from supplements.
1000IU is fine for most people.
@Aureus: 1000 iu barely moves people's vit D.
Took 1000 IU everyday for a year and my vit D went from 40 to just above 50. Then decided to take 5000IU and it finally went to 100 and stayed there. I do take K2 and swapped to grass fed beef.
Yes my work is indoors. Every 1000 IU of vit D is only 25 mcg.
@azukay: That is why I said most. 1000IU is plenty for most, some people need a lot more, it depends on genetics.
@Aureus: Except it is fairly safe to take 4000 iu for most people over age of 8. It is hard to hit 375 nmol/l to reach toxicity levels.
@azukay: Yeah 4000IU is probably pretty safe, but the person I was originally responding to was making it sound like it is safe to just take 50000IU daily without any blood tests.
@Aureus: True, I wouldnt do 50000 iu daily, that unmonitored will lead to kidney issues. Newer studies looked at 10000 IU and was deemed still safe.
After I started taking higher dose vit D I'm less prone to colds and flu, my wife and kids been sick at least 6 times past year and all I've gotten from them is extra phlegm for a day or two and then the symptoms disappear.
I personally think 1000iu is way to low for people who are actually deficient or work indoors.@Fishesass: Yeah it is.
New studies show it's pretty much impossible to OD. People taking 50,000 a day still clocked in at 120
You are saying that it is almost impossible to have too much. That's dangerous advice.
@Aureus: It's because they're not taking K2 with it, so they get calcium buildup. I'd wonder if it's even just the vit D, or they're also taking calcium supplements. Recent studies also suggest calcium supps seldom have a net benefit.
@suricate That's a load of crap.
@Bullion78: Safe vit D levels are >30, adequate stores are >50, and an optimum level (not universally agreed) is ~70-75. It's recommended to keep less than 100 by avoiding supra therapeutic dosing.
The issue with supratherapeutic dosing is that it promotes long-term soft tissue calcification, especially arterial plaques (that cause heart attacks and stokes) and kidneys (that can cause renal failure).
The same risks apply to mineral calcium supplements.
As there is no therapeutic benefit of vit D above levels of 30-50, these are outright risks to supplementing with high dose that must be avoided.
Titrate according to your serum testing and personal response. But as a starting point keep in mind the RDIs, which are about 600-800 units total for most adults of which at least some of that allowance will come from diet and sun. So 1000 units daily is already a supratherapeutic dose, if you're on regular dosing this high ensure you have regular monitoring of your levels and adjust accordingly.
Always best to derive from natural sources, diet and safe short exposure to sun. Vit D supps are safe and effective for people who need them, but in the case of calcium supplements there is no evidence they have any benefit but they do present a coronary risk and RDIs for calcium must be derived from diet.
There is no evidential benefit for the use of vit K supps despite what we know about it's physiology, but adequate intake can be fairly easily achieved through diet.
Personally, I have been titrating my vit D to about 300-600 units per day, but find I have to pull right back in summer as it can balloon my levels out above 80, and that's despite aggressive sun safety practices against UV. I consume low-fat diary greater than 1000mg calcium RDI. A balanced diet gives me vit K2 which includes meats, eggs, and diary. I've consulted with an endocrinologist too to use low-dose thiazide as a long-term strategy to reduce renal clearance of calcium and preserve bone mineral density.
Source: I'm a doctor
@muwu: Sounds like 1000 IU every second day.
I've been taking it every day for a few years.
Time to get blood test@muwu: How many tests did you need to work out your ideal dosage? It becomes difficult when medicare only covers one blood test a year
@greatlamp: If you're deficient (<30) and correcting, retest every 3mo after a supplement commencement or dose change until replete (>30).
Ideal monitoring is twice per year, around early-to-mid winter (May-July) and early-to-mid summer (Nov-Jan), to seasonally titrate dose which is more relevant in southern states and/or patients with dark pigmented skin that have minimal midday sun exposure.
If you're steady on a supplement dose and know your seasonal variation, once per year is fine, preferably in winter when serum levels are at a nadir, but otherwise can just be at your annual bloods/screening.
You can also argue for no testing, if you have steady levels, don't take a supratherapeutic supplement dose, and don't have a major change to diet and midday outdoor activity.
My vit D testing is bulked billed with Dorevitch. Call around providers to check. If billing applies, you can talk to your GP about options for bulk billing according to certain clinical indications (patient dependent).
@kungfuman: ta, i get bb’ed too but doctors getting bb’ed seems a bit dodge (in spite of them being screwed financially every which way)
@0jay: unfortunately alot of the medical industry is owned by pharmaceuticals and alot are afraid to go outside of there box. Resulting in DR's like Muwu.
@kungfuman: Wasn't being critical of Muwu, was questioning the idea that bulk billing (a practice that's frequently denied even those who need it these days) is extended to medical professionals for personal pathology
@muwu: your information is outdated just because you are a doctor doesnt' make you correct. 300 to 600 iU is nothing with Vitamin D. you need a min of 10,000 IU's combined with a Keto diet made of whole foods and not processed foods to get ample K2, fats, and other Vitamin in the food the only thing that is hard to get is Vitamin D unless you are out in the sun alot.. Most Doctors aren't dietitians let me point that out, so saying you're a doctor doesn't' make you a reliable source when it comes to vitamin D levels.
@kungfuman: Was logged out but took the time to log in to ozbargain to reply here to agree with you.
I am a health professional-but this is not my qualifying reason to agree with you.
My reason is i have read recent researches about vitamin d and i think everyone should read into these researches—we are in the age of information! We can teach ourselves and access these researches ourselves, and most of all, listen to our bodies more than what others tell us about what we “should do” or “should feel.”
E.g
-there Is evidence that vit k supplement gives synergistic effect to vit d.
-There is evidence that vit d is the most common vitamin deficiency—even if people have started taking (low dose vitamins)
-sun exposure for vitamin d can easily be limiting for many, e.g take into consideration effect of sunblock on vit d
-If you have vitamin D deficiency, lack adequate sunlight exposure, are overweight or obese, have a darker skin tone, or suffer a gastrointestinal condition, you may require around 10,000 IU of vitamin D3 daily to promote a healthy body.@The Frugal One: 100% right. its good when someone from your industry is interested in the latest research because most of your colleagues in the medical industry are a closed book.
Most of the vitamin d at chemist warehouse is 1000iu which is such a scam.
They sell them in massive tubs too because they know it's not enough. Was taking 4 a day.
I get mine from iherb now, 5000ui and take one daily.
No
Don't know who makes this one, but I found it interesting to trace back the manufacturer of Vitamin D products. For example, pricey Vitamin D specific brand Ostelin is also resold as other brands, e.g. Nature's Own. They are exactly the same product from exactly the same factory, because they ultimately have the same parent company.
Shopback Pay takes $5 or $2 off.
i bought this for $24 in February, and i am on twice a week for 3 months then normal.
I bought it and was asked if a doctor recommended and I said yes even if I don’t go to doctor. My vit D test came very low levels…
Is it safe to take this? Or should I go with 1000 UI a day?
This seems more convenient but not sure if any risk taking 7000 UI in one go… I have no known other issues health wise
Hi ozsingh83,
If your blood test is showing you're very low on Vit D, 1000IU a day is not going to do much to resolve your deficiency. It is safe to take 7000IU in a single dose. When I was tested very low years ago I started taking 7000IU once a week and after a few months when the levels were more reasonable I moved to having it once every 2 weeks. As per any health situation, this may vary between different people so see what works best for you. It is a good start to take the recommended amount (7000IU once per week) and then go and re-do your Vit D blood test after 2 months to get a better indication of how it has been working for you or if you need to change the amount.
Hope this helps. Cheers.
Perfect thanks a lot.
My mum also has a low Vit D and she is asked to take the 50000 UI liquid shot once a month.
Guess it runs in family!
Why is 1000/day not the same as 7000/week?
Oopsie! Bought this one for nearly $40 from Chemist Warehouse a few weeks back.
same lol
I used to take this as recommended by my doctor but switched to below. Works out a lot cheaper (not as cheap now but still cheaper) and has K2 included. Looks like they changed the strength from 7000 to 5000 as well.
Not sure this one is legit or not but lots of fake supplements on Amazon. If it is only sold on Amazon and not on other sites then high chance it is fake.
High chance? Bro, stop spreading non sense. No idea why you would even question whether the product is legitimate. It's sold by Amazon US, not a third party seller and there are plenty of reviews on the product also. I've been taking the product for over a year and can vouch that it's not "fake".
Curious… what is people’s experience from when they started to take vitamin d?
- Are you an office worker?
- How much do you take per day/week?
- How long did it take to feel any different?
- What made you start to take vitamin d?
- What was your symptom (if any) that showed you that you were efficient?
1 yes
2 7000 tablet for 5 weekdays for 5 weeks as i have only 24L vit D in my blood
3 what difference does it make? No difference at all.
4 routine blood check revealed that
5 I dont know, may be memory lossAfter taking 7000 tablet sometimes my stomach feels funny and needs to run to the toilet.
@Techefy: That’s not good. I’d see a dr about that.
1. Yes.
2. 10k pd
3. It takes years to get VitD up to level. It’s not an overnight thing.
4. COVID research. Hi vit D low hospitalisation. Faster recovery. YT Dr Campbell.
5. No symptoms but a vitD shot once admitted to hospital is useless.I look at it as an insurance buffer if I need surgery or worse.
Take it with a large meal. Symptoms you describe sound like excess bile released into an empty stomach
I got this last week in sale when the price was $30. It's now $40. It was recommended in previous deal here last year when the price was even lower. Might be good for those who prefer 5000IU instead. Haven't work the math but should be cheaper per capsule?
I heard people recommend taking with K2 but been taking it for years alone and it worked getting my vit D level back to healthy level.
I prefer walking in the sun
🎶 You might as well 🎶
I walk my dog two hours a day and still had low Vitamin D levels.
Your skin need to be exposed. If you wear long sleeves/pants, only your face, neck and hands are exposed. You need to increase the area exposed to sunlight
Vegan friendly?
not in my experience
in spite of reputation they often bite
Curious as to why many folks are hyper dosing over 5000UI/day when the Australian rdi for healthy adults is 400 UI (600UI >70).
Seems extreme. Obviously if a blood test is showing a deficiency then, ok.
But for those with "normal" levels, how many UI are you taking per day? And if you're exceeding 600UI, why?
A quick search says it’s only 200 for 18-50 and 400 from then till 70. Germany’s recommendation is 800 for that whole period. Government bodies’ generalised recommendations aren’t always best for you.
Probably because the sunlight in Germany is not as strong which is why the recommendation is higher.
Public health recommendations are always going to be general by nature. That's what they are. But if you live in Australia you should probably use the Australian recommendation as your guide.
If you have any known vitamin D issues then obviously specific advice from a GP will be better for you.
Are you taking more than the AU recommended rdi, and if so why?
I take 4000 ~daily because it’s the tolerable upper limit. I rely on the fact that I miss some days to allow for the amount I get naturally.
I’ve read it’s good for mood issues and that deficiency has been linked to prostate cancer risk.
One theory I thought was interesting said that male pattern baldness evolved because more sun exposure to the scalp decreased prostate cancer risk.
most people don't need it. Generally I wouldn't recommend it. 1-2k per day is fine IMO, if you are going to take it. Don't take 4k every day. Forget about taking it sometimes, like for a week or so, every now and then.
the Sunsmart app, and an app like Dminder is a good little exercise in what you can get from the sun.
Applicable if ordering for delivery and maybe in store too?
"Pharmacist Only Medicine
After you purchase this medicine you will need to contact a pharmacist within 2 business days on 1300 367 283 to determine if this product is appropriate for you.
If you don’t call, the product will be deleted from your order and the balance of your order will be dispatched."