Kakadu Plum Vitamin C Capsules 140 x 500mg

Description

In one paragraph: Kakadu plum capsules are freeze-dried whole Kakadu plum fruit, seed and all, in a plant capsule, with nothing added. Kakadu plum (Terminalia ferdinandiana) is an Australian native fruit and one of the richest natural sources of vitamin C on earth. Ours is farm-grown in Australia and lab tested by an accredited Australian laboratory at 12.1% natural vitamin C: 121mg in every gram, which is 60mg in every 500mg capsule. An adult needs 45mg a day, so one capsule gives 133% of the daily need. Gram for gram, that is 240 times the vitamin C of a fresh orange. Vitamin C contributes to normal collagen formation, normal immune function, iron absorption and the reduction of tiredness and fatigue, and the whole fruit also brings antioxidants, tannins, vitamin E, magnesium and plant protein. One bottle holds 140 capsules, $64.95 direct, which is 46 cents a day. Made in Australia, vegan, gluten free.

Kakadu plum: Australia’s vitamin C fruit

Our Kakadu plum capsules are lab tested at 240 times the vitamin C of a fresh orange, gram for gram. If you’d rather get your vitamins from food than from a factory, Kakadu plum is hard to beat. This small native fruit, Terminalia ferdinandiana, is one of the richest natural sources of vitamin C on earth, and we’ve kept it just as nature made it. Discover Kakadu plum → Every capsule holds 500mg of the whole fruit, seed included, freeze-dried and milled to a fine powder. That’s the entire ingredient list. There are no fillers or flow agents, and the shell is vegetarian, not gelatine. The 140 capsules, 70 grams of fruit, come in a sealed bottle to keep them fresh.

Kakadu plum vitamin C: tested, not guessed

Plenty of brands quote a vitamin C figure. We had ours measured. An accredited Australian laboratory found 12.1% natural vitamin C in our powder. That’s 121mg per gram, or 60mg in every capsule. Australia’s recommended intake for adults is 45mg, so one capsule a day has you covered. For perspective, the Australian Government’s own laboratory recorded 7,253mg of vitamin C per 100g of dried Kakadu plum, over 100 times more than a fresh orange. Our tested powder goes further again, at more than 240 times. Explore the vitamin C science → Because it’s food, the vitamin C reaches you the way fruit delivers it, not as synthetic ascorbic acid pressed into a tablet.

What vitamin C does for you

Vitamin C contributes to normal immune system function, to iron absorption from food, and to the reduction of tiredness and fatigue. It also contributes to cell protection from free radical damage.

Freeze-dried to protect every milligram

Vitamin C doesn’t cope well with heat. Freeze-drying removes the water without cooking the fruit, and research on other fruits shows the difference: around 9% of vitamin C is lost when freeze-dried, compared with 27% to 53% when hot-air dried. That’s also why we suggest keeping it out of the oven.

Vitamin C and collagen: why Kakadu plum matters

Collagen is the most abundant protein in your body, around 30% of all the protein you carry. It’s the scaffolding that keeps skin firm and gives it the ability to spring back. Your body makes its own collagen, but it can’t do it without vitamin C. The two enzymes that twist collagen into its strong triple-helix shape, prolyl hydroxylase and lysyl hydroxylase, both need vitamin C to work. Without it, they stop. Vitamin C also signals the skin cells that make collagen to produce more, so it doesn’t just make the process possible, it drives it. Production naturally starts to slow from around your mid-twenties, and after 40 skin collagen drops by roughly 1% a year. Sun exposure, smoking and a high-sugar diet all speed up the breakdown. Taking a collagen supplement without enough vitamin C is like delivering building materials with no tools to put them together. Food Standards Australia New Zealand recognises the link with approved wording: vitamin C contributes to normal collagen formation for the normal function of skin. One capsule of our Kakadu plum gives you 60mg of it, straight from the fruit. Read the full collagen science → · Kakadu plum for skin →

Kakadu plum benefits beyond vitamin C

When the Australian Government analysed Kakadu plum in 2009, vitamin C was only the beginning. Its lab scans found over 100 compounds, some overlapping so closely they’ve yet to be named. Of every fruit, herb and spice in the report, Kakadu plum came out on top for vitamin C. This isn’t marketing talk. It’s a government laboratory result. Read the full Kakadu plum benefits →

An antioxidant heavyweight

Blueberries are the fruit most people think of for antioxidants. Kakadu plum measured 10.5 times higher on the FRAP test and 5.7 times higher on ORAC, with 4.7 times the total antioxidant compounds. There’s vitamin E in there too, about as much as in a Hass avocado, and vitamin E also contributes to cell protection from free radical damage. More on antioxidants → · More on vitamin E →

Tannins and polyphenols, in plain English

Just by living, your body produces unstable molecules called free radicals. Antioxidants such as vitamins C and E help protect your cells from them. Polyphenols are a large family of plant compounds that includes tannins and flavonoids. Tannins give strong tea and red wine their dry feel, and they make up Kakadu plum’s biggest compound group. Kakadu plum contains 11 named tannins, more than any other fruit in the published research, pomegranate included. One of them, terminalagin, was only named in a 2024 paper and appears to be unique to this fruit. Griffith University researchers have named several: the tannins gallic acid, ellagic acid, corilagin and castalagin; the flavonoids quercetin, rutin and luteolin; and stilbenes, relatives of the resveratrol in red wine. Meet all 11 named tannins →

Why we keep the seed

Most Kakadu plum brands throw the seed away. We think some of the best of the fruit is in it. See what’s inside the seed → Research published in Foods in 2018 found the seed kernel is 32% protein and 35% fat, with about four-fifths of that fat unsaturated. That was promising enough for the researchers to name it a potential new plant-based protein source. The flesh, by contrast, holds just 0.8g of protein and 0.5g of fat per 100g. Against the Government’s fruit data (per 100g dried), the seed also brings:

• about 10 times the zinc (6.0mg vs 0.57mg)
• about 17 times the phosphorus (873mg vs 52mg)
• about 8 times the copper (2.5mg vs 0.30mg)
• nearly double the calcium (539mg vs 282mg) and magnesium (421mg vs 204mg)
• more iron (6.1mg vs 4.0mg), a mineral vitamin C helps your body absorb

The flesh holds its own on potassium, with 1,906mg against the seed’s 669mg, and in the seed potassium outweighs sodium 182 to 1. Put the two together and you get the best of both. Worried about grit? You don’t need to be. We mill it fine enough for pressed tablets, so an opened capsule gives you a smooth powder.

Genuine Kakadu plum, and we can prove it

This is worth knowing before you buy. When ANSTO, Australia’s nuclear science agency, tested imported “Kakadu plum” powders, every one turned out to be fake, and 89% were deceptively labelled. Ours is farm-grown in Australia, encapsulated here, and checked by an accredited Australian laboratory on every batch. Each batch is confirmed as genuine Terminalia ferdinandiana, lead, arsenic and other heavy metals come in under limit, and every microbial test comes back clean.

Gubinge: a bushfood with a long history

Long before it had a name on supermarket shelves, Kakadu plum was Gubinge in the Kimberley, anmarlak at Kakadu and murunga in Arnhem Land. Aboriginal people have eaten it for tens of thousands of years and carried it on long walks for energy. Western science caught up in 1982, when researchers in The Lancet called it “an outstanding food source of vitamin C”. Read the Gubinge story →

How our Kakadu plum capsules compare

Prices and specifications from each seller’s own product page, 15 August 2026. *Bush Tucker Blends states 252mg of vitamin C per 3-capsule serve (read 29 September 2026).

Look inside the bottle

The shelf price only tells half the story. You’re paying for fruit, so compare grams of real powder per dollar. Ours is 70g of lab-tested Australian Kakadu plum for $64.95, which works out at 93c a gram. Buying Kakadu plum for the first time? Our full guide, what is Kakadu plum, walks you through it. Kakadu plum nutrition, nutrient by nutrient →

What our customers say

★★★★★ “Wonderful product. Very happy with my purchases. Owners are very easy to deal with and most obliging and helpful. Thank you Mr McArthur” Anne Longhetti, Google review

Read all our Google reviews →

Kakadu plum questions, answered

Does Kakadu plum help with collagen?

Kakadu plum is one of the richest natural sources of vitamin C, and vitamin C contributes to normal collagen formation for the normal function of skin. Your body can’t make collagen without it: the enzymes that build collagen’s strong triple-helix structure need vitamin C to work. One capsule gives you 60mg of natural vitamin C.

Should I take vitamin C with collagen?

If you take a collagen supplement, vitamin C is the other half of the job. Your body uses vitamin C to turn the building blocks into its own collagen. Taking collagen without enough vitamin C is like delivering building materials with no tools to put them together.

What antioxidants are in Kakadu plum?

Vitamin C and vitamin E, plus a large family of polyphenols: tannins such as gallic acid, ellagic acid, corilagin and castalagin, and flavonoids such as quercetin, rutin and luteolin. Australian Government testing measured its total antioxidant power at 10.5 times a blueberry.

What are tannins, and why does Kakadu plum have so many?

Tannins are plant polyphenols, the compounds that give strong tea and red wine their dry feel. Kakadu plum contains 11 named tannins, more than any other fruit in the published research, pomegranate included, and one of them, terminalagin, appears to be unique to this fruit.

What is Kakadu plum powder?

It’s the freeze-dried whole fruit of the Kakadu plum, also called gubinge, ground into a fine powder. Ours is 100% pure, seed included, with no fillers or additives.

How much vitamin C is in each capsule?

60mg of natural vitamin C. Our powder is independently lab tested at 12.1% vitamin C, which is 121mg per gram, and each capsule holds 500mg.

How much vitamin C do I need a day?

Australia’s recommended dietary intake for adults is 45mg a day, so one capsule covers a full day’s intake.

How long does a bottle last?

140 capsules at one a day lasts 140 days, which works out at about 46 cents a day.

Does it contain any fillers or additives?

No. The only ingredient is Kakadu plum, the whole fruit including the seed, in a vegetarian capsule.

Are these a vitamin C supplement?

They’re food: 100% Australian-grown Kakadu plum powder in a vegetarian capsule, with 60mg of natural vitamin C in each.

Is it tested for purity?

Yes. An accredited Australian laboratory tests every batch. Heavy metals, including lead and arsenic, are all under limit, and it’s clean on every microbial test.

Is Kakadu plum a good source of antioxidants?

Yes. Australian Government lab testing measured its total antioxidant power at 10.5 times a blueberry on the FRAP test and 5.7 times on the ORAC test.

Does Kakadu plum contain protein?

Yes, in the seed. The seed kernel is 32% protein, and we keep it in every capsule instead of throwing it away.

Can you eat Kakadu plum?

Yes. It has been a traditional Australian bushfood for tens of thousands of years. Capsules are simply the easiest way to take it today.

How many capsules should I take?

One a day with water. That single capsule gives you 60mg of natural vitamin C, comfortably above the 45mg an adult needs each day.

Kakadu plum powder or capsules: which is better?

Capsules give you both. Swallow one whole, or twist it open and stir the powder into a smoothie, juice, yoghurt or your breakfast bowl. Each one is a pre-measured 500mg, so there are no scales or scoops. Either way you get the same whole-fruit, freeze-dried Kakadu plum powder, seed included, with nothing added. Our powder guide shows how to use an opened capsule just like powder.

What does Kakadu plum taste like?

Fresh, it’s tart and citrusy. In capsule form you won’t taste it at all.

Is this natural or synthetic vitamin C?

Natural. The vitamin C comes from whole Kakadu plum fruit, not from a laboratory.

Where is your Kakadu plum grown?

On a farm here in Australia, by an Australian grower.

Is it vegan and gluten free?

Yes to both. Kakadu plum is the only ingredient, and the capsule shell is vegetarian.

Does Kakadu plum have side effects?

Like many wholefoods, Kakadu plum contains natural oxalate. A 2016 Queensland Government and University of Queensland study found a typical serve holds about as much as a cup of raspberries, while spinach carries roughly 35 to 70 times more by weight. If you have kidney problems or a history of kidney stones, check with your doctor before adding it to your routine.

Is it safe during pregnancy or breastfeeding?

If you’re pregnant, breastfeeding or unsure, please speak with a health professional first.

Where can I buy Kakadu plum in Australia?

Right here. Our Kakadu plum capsules are made in Australia by our family business, kept in stock and shipped Australia-wide. New to the fruit? Discover what makes Kakadu plum special.

Our products are food, not therapeutic goods, and are not intended to diagnose, treat, cure or prevent any disease or condition.

What customers say about McArthur products

Our Kakadu plum capsules are newer than our creams, so most reviews are about the creams and the business. The first is from a capsule customer; the rest are from our 74 Google reviews, 5.0 stars:

★★★★★

“My wife and I were taking Kakadu Plum powder from a different supplier when I saw Real McArthur had it in stock in capsules. Been a fan of Real McArthur products for a number of years. We were already in tune with the benefits, and the capsules are more convenient to take. Definitely recommend.”

Colin Barnes — website review, Kakadu plum capsules

★★★★★

“My skin is very soft & as I'm 73 years old I can recommend this product. Just buy 1 at first, just to make sure your skin doesn't react. Happy customer.”

Cheryl Conduit — Google review

★★★★★

“Not only following the Real McArthur Paw Paw Products (Body Cream & Soap) since the earliest days, but using them religiously throughout that time. They're keeping my 84 year old hide in great order. Thanks Darren!”

Stuart Gearey — Google review

★★★★★

“Wonderful product… Very happy with my purchases. Owners are very easy to deal with and most obliging and helpful. Thank you Mr McArthur.”

Anne Longhetti — Google review

★★★★★

“The face cream has hydrated my face and I have a glow in my complexion. The body cream is very nourishing for my skin, no longer dry. The soap is one of the best I have found. I highly recommend Darren's products, especially for those like me who have sensitive skin.”

Nichole Leggett — Google review

★★★★★

“I've never come across another product which is both so purifying and gentle. As good as, if not better than spa products, given that Real McArthur products are made from pure, natural ingredients.”

Louise B — Google review

★★★★★

“Fantastic, natural products that actually work!”

Chad Pickert — Google review

★★★★★

“My skin is radiant and dewy. It doesn't leave your skin feeling heavy and greasy, but light and refreshed. Couldn't recommend the Real McArthur products enough.”

A Carpenter — Google review

Read more customer reviews