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Clinicians Hi-Dose Vit C Powder


  • 300gm

    RRP: AU$50.30

    Save 24% (AU$12.20)

  • 150gm

    RRP: AU$30.40

    Save 25% (AU$7.50)

  • 75gm

    RRP: AU$16.10

    Save 24% (AU$3.90)

Clinicians Hi-Dose Vit C Powder is a potent formulation containing two forms of Vitamin C that may support the immune system in times of stress. Each teaspoonful provides a high 3550mg dose of Sodium ascorbate and Ascorbic acid, buffered forms that are well tolerated and easily absorbed by the digestive tract. 

Hi-Dose Vit C can be taken every 2-3 hours when ills and chills strike to provide acute support to the immune system.  Studies show Vitamin C absorption is greatly increased in individuals when they are unwell before reaching bowel  tolerance and provoking side effects. This is due to increased support required for immune system function. Hi-Dose Vit C is also appropriate for daily use as it supports stress hormone production from the adrenal glands during times of stress. 


Adults: 1 level teaspoon in water or juice 1-2 times daily.  
Immediate Support (for short term adult use only): Day 1-3: Mix 1 level teaspoon in water or juice every 2 to 3 hours during waking hours. Monitor dosage in acccordance with bowel tolerance.
Day 4-7: Mix 2 level teaspoonsful twice or three times daily.  
After Day 7: Return to recommended adult dosage or as directed by your health professional. 


  • This product may cause bowel looseness. 
  • If you are on any medication, please consult with your health professional before taking this product. 
  • If symptoms persist or you have any side effects please contact your health professional.
  • Do not take high doses of Vitamin C if you have a gastric ulcer or ulcerative colitis. 
  • Considered suitable for use during pregnancy and breastfeeding.  

Active ingredients per 5ml level teaspoon: 

Vitamin C (from sodium ascorbate) (equiv. Sodium 372mg) 2850mg
Vitamin C (ascorbic acid) 700mg
Vitamin B2 (riboflavin) 3mg

Also contains: Natural flavourings and Thaumatin


Two pharmacists who saw that current modern pharmaceuticals weren’t providing complete care for their patients, decided to develop the Clinicians range. By investigating the results that conventional medicine had on the body, they created a range of research-based formulations to provide important nutrient replacement for the body.

The Clinicians range may help with a variety of health concerns like their ‘Stress, Sleep and Mood’ range and ‘Ills, Chills and Allergies’ range that includes Allerstop developed for effective allergen support. One of their best sellers Rejuvenate with Hyaluronic Acid is a science-based formula for rejuvenation of skin elasticity, stronger nails and shiny hair.

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Items 1 to 10 of 22 total

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A very effective vitamin C supplement Review by
  • star

Great for immune system and inflammation. Works very well in the allergy season as an alternative for antihistamine drugs!

Brilliant Vitamin C Review by
  • star

We take this daily in our house to keep on top of all the Kindy bugs, and increase dosage when there is some sickness. Its amazing for quickly helping to get rid of bugs and my daughter will drink it happily. It mixes easily, it doesnt taste too bad and its easy to use.

It cleared my blocked Eustachian tubes- thank you Clinicians! Review by
  • star

This is an amazing product, so I was surprised to see all the negative reviews. (but apparently only about being too sweet?).

So don't let that put you off, this stuff is amazing.

For years I have had trouble with blocked ears, which has caused much stress and turmoil with balance and dizziness etc
I've tried nearly every remedy under the sun and this is the ONLY thing that cleared out the blockage. It's a absolute miracle. I've tried VitC by itself (didn't work) but I think the combination of the ascorbic acid & Vit C is key.

I take this every day now (no nasal sprays, no allergy tablets!)

I give it 5+ stars.

ps: Yes it is sweet, but I have mine in a glass of sparking soda water, and it's actually quite nice that way.

High dose vit c Review by
  • star

I found it super sickly sweet with an awful after taste I had to mix it with fresh squeezed lemons and twice amount of water. It's such a shame that these great products have added sweetner in them even if it is sugar alcohol.

Good Quality Product Review by
  • star

I have been purchasing this product for a few years now and have always found it too be very effective. Good to prevent viral or bacterial illness and good for inflammation anywhere the body needs it, it will calm it. Yes the taste is sweeter than it used to be but taken with more water in the glass its very nice and mixes well. More water is what we all need so that's got to be good for us. I definitely recommend this product it does work.

Better than the other product Review by
  • star

I was very reluctant to buy this new version, because of the bad reviews. Anyway thought I'd give it a go. I found it dissolved perfectly in the water, the other product didn't dissolve well at all, even with lots of stirring. I was very prepared for the super sweet taste, as all the reviews complained about this. I just have it with a whole glass of water, yes it was alot sweeter, but after a few days of my daily dose, I now really enjoy this taste, and kt doesnt seam so sweet anymore. As someone whom has no sugar in my diet, I actually enjoy my morning vit c drink. I felt so sorry for this products bad reviews by people, I thought I'd better take some time out to give it a good review. I would recommend to try it

High dose vit c Review by
  • star

I have been buying this product and using it for years.
It does not seem like the same product.
Not only had the container changed but so has the product. It is so sweet I cannot palate it and have had to add Lemon juice just to be able to drink it. Surely a health product should not have this much sweetener added. What had happened??

Hi dose vit c Review by
  • star

What a great shame the recipe for this vit c powder has changed. I have been buying this for years and have loved it, but now it is WAY too sweet. WHY??? It was great before - now I shall be searching for an alternative.

Sickly sweet Review by
  • star

Can't understand why they had to change this product. We have been buying it for years and had I reviewed it previously I would have rated it as outstanding. Now I no longer wish to buy it. Just tastes so artificial and overly sweet.

Too Sweet? Review by
  • star

Have been buying this for yonks, but looking at the reviews that enough for me - and from China?

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Product Highlights

  • Provides high levels of Vitamin C for frequent use to support the body’s defences with winter ills and chills or when the immune system is challenged
  • Vitamin C supports the adrenal glands during times of stress
  • High daily dose of Vitamin C supports wellbeing and antioxidant protection
  • Good value product providing dosing flexibility


  • TRUSTED NZ SUPPLIER To Australia for over 20 years
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    Your satisfaction is extremely important to us. Any problems will be addressed in a friendly and efficient manner, with your total satisfaction as our over-riding concern.

    Our Return Policy

    If you have changed your mind about a product and it is in re-saleable condition (unopened, with undamaged packaging) you can return it within 30 days of receipt for a full refund.

    For more info on returns, visit our Guarantee page.

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