There's a simple experiment you can do right now. Buy a carrot from the supermarket and one from a farmer's market or your own garden. Hold them side-by-side. One is pale yellow-orange, uniform, flawless—and smells like very little. The other is deep orange, perhaps slightly irregular—and smells of carrot, earthy, sweet, intense.
This difference in color is not an aesthetic detail. It's a direct indicator of beta-carotene content. And beta-carotene is precisely why carrots have been considered a medicinal plant for centuries.
The Carrot – World Champion in Beta-Carotene
Among all vegetables, carrots contain the most carotene. This isn't a marketing claim—it's measured biochemistry.
100 grams of raw carrots contain an average of 7,800 micrograms of beta-carotene. But here lies the real problem: Depending on the variety, cultivation method, and soil, beta-carotene content varies between 5 and 30 milligrams per 100 grams of carrot.
That's a factor of 6. A nutrient-rich carrot from healthy soil can contain six times more beta-carotene than one from depleted soil—with an identical appearance and identical price.
Just two carrots from truly healthy cultivation are enough to fully cover an adult's daily requirement of Vitamin A. For carrots from depleted soil—twelve.
What Beta-Carotene Does in the Body
Beta-carotene is a precursor to Vitamin A—also called provitamin A. The body converts beta-carotene into Vitamin A as needed. This is a crucial advantage over ready-made Vitamin A from animal sources: The body only takes as much as it needs, thereby preventing an overdose.
What Vitamin A and Beta-Carotene Do in the Body:
Eyesight and Night Blindness.
Beta-carotene plays a central role in vision. As a precursor to Vitamin A, it supports the formation of rhodopsin, a protein in the retina essential for low-light vision. Studies suggest that a lack of Vitamin A may be linked to the development of cataracts.
Skin Protection from Within.
Beta-carotene can accumulate in the skin and protect it from harmful UV rays and free radicals. Thus, it counteracts premature skin aging—from within, without sunscreen. A study by the University of Witten-Herdecke even found reduced sunburn sensitivity in subjects with high beta-carotene intake.
Immune System.
Scientific studies show that carotenoids in carrots reduce inflammatory hormones and protect cells from damage. A study in the Journal of Clinical Medicine showed that carrot vitamins can help reduce disease risks.
Cancer Prevention.
According to studies, high carotenoid levels may be associated with a lower risk of breast cancer. The combination of beta-carotene and B vitamins in carrots has been found by nutritional science to have a synergistic effect on energy metabolism and immune function.
What Else Is in Carrots – The Complete Nutrient Profile
Beta-carotene is the star—but it performs in a very strong team.
Minerals:
41 mg calcium, 17 mg magnesium, and 320 mg potassium per 100 grams. Potassium regulates fluid balance, ensures nerve impulse transmission, and supports heart rhythm and muscle function. Magnesium supports over 300 enzymatic processes in the body.
Vitamins:
Vitamin A, B-vitamins—especially B1, B2, and B6—Vitamin C, Vitamin E, and Vitamin K. 100 grams of fresh carrots provide 7 mg of Vitamin C and 0.5 mg of Vitamin E.
Fiber:
Carrots contain a particularly high amount of pectin—a fiber that swells in the stomach and provides long-lasting satiety. Pectin also binds toxins in the intestine and promotes the growth of good intestinal bacteria. For gastrointestinal infections, the famous Moro's carrot soup—made from 500 grams of carrots, one liter of water, and a pinch of salt—has been scientifically proven for decades as a natural remedy.
Selenium:
The trace element selenium is needed by the body to protect body cells. Adequate selenium supply can prevent the development of cancer cells and protect against the effects of harmful UV radiation. The immune defense is also strengthened by selenium.
Phytochemicals:
Carrots also contain lycopene and polyacetylene—substances we know from red tomatoes and which also play an antioxidant role in carrots.
The Color Secret — Why Deep Orange Says It All
The color of a carrot is its most honest quality feature.
Orange carrots contain a lot of alpha- and beta-carotene—pigments that belong to the carotenoids. These pigments give carrots their characteristic orange color. The deeper and more intense the orange, the higher the carotenoid content.
A pale, light-yellow carrot is not only less appealing—it demonstrably contains less beta-carotene than a deep orange one. A pale supermarket carrot, harvested unripe, transported for weeks, and stored under fluorescent light, never had the chance to develop its full beta-carotene potential.
The deep orange develops in the field. In the last days before harvest. And it only develops if the plant is well supplied with minerals—especially calcium, which controls the incorporation of carotenoids into the plant tissue.
An interesting side note from carrot history: The first domesticated carrots from Central Asia about 1100 years ago were purple and yellow. The orange carrot, as we know it, only appeared in the 16th century—it was deliberately bred for its high beta-carotene content. The intense orange was a quality signal from the start.
A Tip Almost No One Knows — Peel and Fat
Never peel the skin. The beta-carotene content is highest in the outer layer of the carrot. Those who peel carrots lose a significant portion of the most valuable ingredient. Simply brush thoroughly—that's enough.
Always eat with fat. Beta-carotene is fat-soluble. Without fat, the body can hardly absorb it. A dash of olive oil in a carrot salad, some butter when steaming, a dollop of yogurt with a raw snack—this significantly increases beta-carotene absorption.
Cooking increases availability. Unlike some other vitamins, beta-carotene is not heat-sensitive. Studies have shown no impairment of beta-carotene quality up to 120 degrees Celsius. Steamed or cooked carrots are often more nutritious than raw ones—because cooking breaks down cell walls and makes beta-carotene more readily available.
The best way to absorb beta-carotene from carrots: briefly steamed, with a dash of good oil.
The Brix Value of Carrots — The Measuring Instrument for Nutrient Density
After the red onion, the carrot is the most perfect vegetable for a Brix check. Its juice is easy to press—a piece of carrot is enough, a few drops on the refractometer, results in seconds.
What are good Brix values for carrots?
Brix value Low — pale supermarket carrot: under 6 °Brix
Brix value Good — farmer's market, good cultivation: 8–10 °Brix
Brix value Excellent — optimally supplied plant: over 12 °Brix
A high Brix value in carrots means: more dissolved solids in the juice—more sugar, more minerals, more beta-carotene. A carrot with 12 °Brix smells more intense, tastes sweeter, is deeper orange—and demonstrably contains more of exactly the substances that make it so valuable.
The factor of 6 in the beta-carotene content of studies between "poor" and "rich" carrots proves this—it is also reflected in the Brix value. A carrot under 6 °Brix and one over 12 °Brix are biochemically almost two different vegetables.
Why Organic Doesn't Automatically Mean Nutrient-Rich — And What Really Matters
Organically grown carrots have higher antioxidant values than conventional ones in many studies. That's true. But even in the organic sector, there are huge differences—depending on soil health, mineral supply, and cultivation practices.
The decisive criterion is not the label. It's the question: How good is the soil? How well is the plant supplied with calcium, potassium, trace elements, and living microorganisms?
A carrot from an organically managed soil that has been built up for years with zeolite, paramagnetic basalt, and active microorganisms—that is a different carrot than one from depleted organic soil with poor mineral supply.
The Brix value makes this visible. The color too. And the taste anyway.
What a Carrot Really Needs to Become Nutrient-Rich
Beta-carotene is produced in the plant through photosynthesis — just like lycopene in tomatoes and quercetin in red onions. A carrot that performs intense photosynthesis produces more beta-carotene.
For this, it needs:
★ Calcium — for stable cell walls, good stomatal regulation, and optimal CO₂ uptake. Calcium is the key to everything else.
★ A living soil environment — microorganisms that make minerals available to plants. Without active microorganisms, even the best minerals remain bound in the soil and inaccessible to the carrot.
★ Paramagnetically activated soil — which guides the energy of the Earth's magnetic field into the root zone and triples the microbial environment.
★ Consistent water supply — the carrot is sensitive to uneven moisture supply. Zeolite as a natural water reservoir is the crucial buffer here.
This is no coincidence and no magic. It is plant physiology—and it is measurable.
In the article: Growing carrots with high nutrient content—how beta-carotene, Brix value, and soil health are related, you can read step-by-step how we can work on the nutrient density of our carrots. Again, no witchcraft.
The Color as a Promise
A deep orange carrot that crunches when you bite into it and smells of earth and sweetness—that's more than a taste experience. It's a signal that this carrot delivers on its beta-carotene promise. That two of them really meet the daily requirement for Vitamin A. That skin, eyes, and the immune system get what they need.
A pale carrot is not a bad carrot. But it is an unfinished carrot—a carrot that never had the chance to unleash its full potential.
The potential arises in the soil. And the soil is manageable.
How to grow carrots step-by-step so they develop their full beta-carotene potential—with zeolite, paramagnetic basalt, AM+PLUS microorganisms, and Grünkraft Calcium—we show in this blog post.
Why foods today have up to 70 percent fewer minerals than 60 years ago—and what the Brix value has to do with it—you can find out in our article on nutrient-rich foods.
All about red onions and spring onions as other nutrient champions can be found in our article on red onions and spring onions.
Sources:
Zentrum der Gesundheit, Karotten | Gerolsteiner Ernährungstipps, Karotte | A.Vogel, Karotten | gesundheit.de, Karotten | Pflanzenforschung.de, Karottengenom | Journal of Clinical Medicine, Carotinoide und Erkrankungsrisiken | Universität Witten-Herdecke, Betacarotin und Sonnenbrand | vitaminbalance.de, Karotten Vitamine | Wikipedia, Carotine
