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Blackmores Bio C 1000mg

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Bio C® 1000 mg

A potent formula to give you a boost of vitamin C to support your immune system.
Always read the label. Follow directions for use. If symptoms persist, talk to your healthcare professional.

Create a subscription based on your daily dosage, learn more.


Gentle on the stomach, Blackmores Bio C® 1000mg helps support immune system function.

Why use

  • Contains citrus bioflavonoids extract which can enhance the action of vitamin C in the body
  • Buffered with mineral ascorbates making it gentler on the stomach compared to ascorbic acid alone
  • Reduces the severity and duration of common cold symptoms

The Blackmores difference

Blackmores products are rigorously tested for quality.

Active ingredients per tablet

Vitamin C

Ascorbic acid

Ascorbic acid (vitamin C) is a water-soluble antioxidant nutrient involved in many biological processes in the body. Vitamin C is found in a number of fruits and vegetables, great sources are capsicums, blackcurrants, oranges and strawberries.

Sodium ascorbate
(ascorbic acid, vitamin C 309mg)

350 mg

Calcium ascorbate dihydrate (ascorbic acid, vitamin C 331mg)

400 mg

Citrus bioflavonoids extract

25 mg


50 mg


50 mg

Rosa canina (rosehips)

extract equivalent to dry fruit 250 mg

Malpighia glabra (acerola)

extract equivalent to dry fruit 50 mg


Adults – Take 1 tablet a day with a meal, or as professionally prescribed

At the onset of cold symptoms the dose may be increased to 3 tablets a day

Children under 12 years – Only as professionally prescribed

Contraindications and cautions

  • If symptoms persist, see your healthcare professional
  • Consult your healthcare professional before use if you have had renal calculi (kidney stones). Ascorbic acid may increase the risk of recurrence of calcium oxalate calculi
  • If you are pregnant or breastfeeding consult your healthcare professional before use
  • Not to be used by children under 4 years of age without medical advice
  • Always read the label
  • Follow directions for use
  • If symptoms persist, talk to your healthcare professional
  • Supplements may only be of assistance if dietary intake is inadequate

Medicine interactions

This product may interfere with certain other medications you may be taking. Click here to learn more.

Physical description

A mustard, oblong-shaped tablet.
Always read the label. Follow the directions for use.

Tell us what you think login or sign up to share your thoughts.

Hi, Is it safe during pregnancy?
Celine 26 Jul 2018
The picture shows 150 low acid tablets 1000mg. The actual purchase is not what the picture shows. The purchase is for 62 tablets at $21.99. I would have liked to buy the larger size. I really think this is false advertising. With my last order, I found the same problem. I believed that I had ordered the larger size however I only received the smaller size. I think this problem needs to be addressed. (I have been buying your products for over 40 years). Regards Jenny
Jenny 22 Aug 2017
hello 😋😋😋 wanna know if this vitamin c can improve my skin problems like acne?
Hello, just wondering if these are suitable for vegans please? Thank you!
Katie 22 Jan 2017
What fillers are used in Blackmores Bio C?
Shenee 01 Feb 2016