Nutrition Diagnostics

Bio Vitamin C

$89.80
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Immune Support

500g | Approx. 5g per serve

High-strength vitamin C with bioflavonoids, amino acids and a standardised green tea extract, in a convenient powder for immune system and antioxidant support. Provides 2000 mg of vitamin C per dose.

Benefits
  • Provides 2000mg of vitamin C per dose.
  • Contains nutrients that help maintain a healthy immune system.
  • Provides antioxidants that help reduce free radical damage to body cells.
  • Source of lysine, which is required for synthesising collagen, carbohydrate metabolism and producing energy.
  • Source of green tea, standardised to polyphenols.
  • Provides proline, glycine, and citrus bioflavonoids for additional nutritional support.
  • Assists in the healing and repair of skin.
    May reduce the duration of colds.
  • Helps support cardiovascular system health.
  • No artificial flavours, colours, sweeteners, or added sugar.
Ingredients
  • Vitamin C (as ascorbic acid) (2g) 2,000mg
  • Lysine (from lysine hydrochloride) 500mg
  • Glycine 750mg
  • Proline 500mg
  • Citrus bioflavonoids extract 250mg
  • Camellia sinensis (green tea) extract equiv. to dry leaf (7.5g) 7,500mg
    • Standardised to contain:
    • Catechins 187.5mg
    • Epigallocatechin 3-0-gallate 100mg
Shipping & Returns

All orders are shipped express and come with tracking. For a more detailed breakdown on shipping rates, policies and information, visit our shipping page.

A High-Strength Vitamin C Powder With Added Immune-Support Benefits

With 2000 mg per serve — around four times the amount in many standard powders — Bio Vitamin C delivers a generous dose. Its ingredients were selected with uptake, absorption and immune support in mind.

Bio Vitamin C provides 2000 mg per serve. This intake level is within the range explored in nutrition research on immune cell function and antioxidant activity.

Bio Vitamin C includes antioxidants and amino acids. The amino acids contribute to normal collagen formation and tissue structure, while antioxidants help reduce free radical damage to body cells.

Bio Vitamin C is designed with bioavailability in mind. Citrus bioflavonoids are included alongside vitamin C, and the powder is water-soluble to support absorption.

Quality Ingredients & Sugar Free

Made From Quality Natural Ingredients

Our vitamin C powder is made from high-quality ingredients and is free of synthetic blends or fillers. These natural compounds work in harmony with your biology, which reflects our holistic approach to health.

Our vitamin C comes in the form of pure ascorbic acid, sourced from non-GMO sago palm. We believe this offers a clean, single-source approach.

Lysine is an essential amino acid — one the body can't make on its own. Alongside vitamin C, it contributes to normal collagen formation, the protein that gives skin, connective tissue and blood vessels their structure.

Glycine is the most abundant amino acid in collagen. It works with vitamin C by providing the raw material for collagen formation, the protein that keeps skin supple and connective tissue resilient.

Proline is one of collagen's core building blocks, prized for the stability it lends the finished protein. Alongside vitamin C, it contributes to normal collagen formation, the protein that supports healthy joints, tendons and skin.

Absorption & Protection

More Than Vitamin C Alone

Bio Vitamin C pairs vitamin C with complementary ingredients. The amino acids lysine, proline and glycine contribute to normal collagen formation, citrus bioflavonoids sit alongside the vitamin C, and green tea extract provides EGCG, a naturally occurring antioxidant.

So Much More Than Immune Support

Why Use Bio Vitamin C?

Bio Vitamin C delivers a high-strength 2000 mg dose of vitamin C, paired with amino acids, citrus bioflavonoids and green tea extract. Vitamin C may help support immune system health and provide antioxidant support, while the amino acids contribute to normal collagen formation. It's a complete, considered formula rather than a single ingredient.

Immune Strength
Antioxidant Support
Collagen Formation
Supports Energy Production

FAQS

How do you take Bio Vitamin C?

Bio Vitamin C is an oral powder designed to be mixed with water. To improve the taste, we suggest mixing it with lemon or lime juice. It can also be taken as part of our signature 'Energy Drink' — a refreshing blend of Bio Vitamin C, water, lemon juice, lime juice and apple cider vinegar. Many of our clients enjoy it daily as an easy way to top up their vitamin C, which may help support immune system health.

What makes Bio Vitamin C different to other vitamin C powders?

Bio Vitamin C delivers a high-strength 2000 mg of vitamin C per serve — around four times the amount in many standard powders. Alongside the vitamin C, the formula includes citrus bioflavonoids, the amino acids lysine, glycine and proline, and a standardised green tea extract. It's made without added sugar, fillers or artificial flavours or colours — so what you get is a clean, high-strength vitamin C powder.

Why is Bio Vitamin C different in colour to other vitamin C supplements?

Bio Vitamin C contains no artificial colours or flavours, so it doesn't have the bright, uniform look of some powders. Its subtle brown hue comes from the green tea extract — one of the antioxidant ingredients in the formula. The colour is simply a result of what's in it.

Immune System Insights

Overall rating: 5.0 / 5 from 9 reviews.

AI Generated Review Summary

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Review highlights

Reviews

Love the combination of Vitamin

"Love the combination of Vitamin C with bioflavonoids, amino acids, and green tea. Works so well in my nutrition game to glow from the inside out! Great to support detoxification and also boost immune function and help aid digestion when taken just before a main meal. Also I love utilising this C powder to help absorb more nutrients from my food."

Trudy P. (5/5)

Very good product that tastes

"Very good product that tastes nice. Highly recommend all of Nutrition Diagnostics products."

Clayton P. (5/5)

I feel confident in knowing

"I feel confident in knowing that the Bio Vitamin C is bioavailable to my body and is free from toxins, to support my general health and wellbeing."

Jessica O. (5/5)

I find this vit c

"I find this vit c drink gives me more energy. Wonderful if you are feeling under the weather, stops sore throats, runny noses in their tracks!"

Julie S. (5/5)

Kaye and I have been

"Kaye and I have been using Bio Vitamin C in a health drink everyday since attending Living Valley Health Farm in 2013. It is made up from the juice of one lemon and lime, six shot glasses of Apple Cider Vinegar, one table spoon of Pickling Salt and six spoonfuls of Vitamin C powder mixed in two litres of filtered water. We each have a glass full every morning. To date, it has helped us fend off cold and flu symptoms and arthritis developing in our joints. I’m sure there are other benefits but most of all it has helped us keep our general health and wellbeing."

Ian H. (5/5)

it's has become a part

"it's has become a part of our daily routine. The kids take it and now they're used to having it like us. we can see the benefits as we don't get sick as people around us."

Lorna B. (5/5)

It’s been great to be

"It’s been great to be able to purchase a Vitamin C supplement that’s very well rounded in terms of benefits to the immune system, gut health and overall energy it provides. And have enjoyed drinking the energy drink daily knowing it’s very supportive to my health."

Dean B. (5/5)

Love the energy drink I

"Love the energy drink I make with Bio Vitamin C. It literally gives me a burst of energy."

Marcia W. (5/5)

vERY GOOD

"vERY GOOD"

Judi M. (5/5)

Q&A