Beta-carotene, the pigment that makes carrots orange, builds up in the body and eventually shows through in skin. It's a lovely piece of everyday biology, and it happens to explain exactly how a tanning gummy works.
Yes, genuinely. Eat enough carotenoid-rich food for long enough and it shows up in your skin: the effect is called carotenemia, it's well documented, and it's the same pigment family a tanning gummy is built on. Carrots are the everyday proof that carotenoid colour is real. What they don't tell you is the pace, which is where a measured daily amount comes in.
What carotenemia actually is
Carotenemia is yellow-orange skin pigmentation caused by carotenoids building up in the blood and settling into the fat layer under the skin. It's most documented in infants fed a lot of carrot- and squash-based purées, and in adults eating large, sustained amounts of carotenoid-rich produce: carrots, sweet potatoes, squash, mangoes, papayas, apricots.
It shows up first where skin is thickest. Palms, soles, the creases beside the nose.
It's the same molecule doing the same thing a tanning gummy does: beta-carotene, accumulating in fat, shifting visible colour. Eating the food version and taking a measured supplement version are the same mechanism at different doses and different levels of control, which is exactly why the dose, not the source, is the part worth paying attention to.
Where the reported high-intake range sits
The clinical literature reports visible pigmentation appearing with sustained intake above roughly 30 mg of beta-carotene a day, corresponding to blood carotene levels of about 250 to 500 micrograms per decilitre. That's not a hard cutoff where 29 mg is fine and 30 mg suddenly changes anything; it's the range where sustained, high dietary intake has been observed to produce visible colour. In practice, that's a lot of carrots, consistently, for weeks, not an occasional salad.
beta-carotene/day, sustained, where visible carotenoderma has been reported, not a fixed cutoff
beta-carotene per two-gummy serving, about an eighth of the range above
Amounts printed on the label, not folded into a "proprietary blend."
It's reversible. Once intake drops, blood carotene falls back down, though because carotenoids are fat-soluble, visibly yellow skin can take several months to fully clear, slower to leave than it was to arrive.
Told apart from jaundice
Carotenemia and jaundice both cause yellow skin, but they're told apart easily. Jaundice, caused by bilirubin, yellows the whites of the eyes and the inside of the mouth; carotenemia spares both and shows up instead on the palms, soles and around the nose. If the whites of your eyes are yellow, that's not carotenoids, and it's worth a doctor's visit rather than a dietary change.
Diet-related carotenoderma is generally harmless and reversible. If the colour appears without an obvious high-carotenoid diet or supplement intake, or the whites of the eyes are affected, that's a different question, and one worth asking a doctor rather than a search engine.
Consistent with guidance from NCBI StatPearls, DermNet NZ and Cleveland ClinicWhat this means for a carotenoid gummy
The carrot example settles one useful question: carotenoids really can become visible in skin. What it can't tell you is the pace, and that comes down to the number.
Two Asuno gummies contain 4 mg beta-carotene and 2 mg astaxanthin, an amount you can read before you buy rather than a vague "tanning blend" on an ingredient list. For what a published trial actually measured, see Do tanning gummies work?
There's also a practical difference between understanding the mechanism through food and actually wanting to build a routine around it. Most people aren't going to plan meals around carrots and sweet potatoes every day to chase a gradual tint. A gummy gives the same measured serving daily, in a form that takes a few seconds: two peach-mango gummies, pectin-based and vegan, with the amounts on the label rather than buried in a formula.
Carotenoid-rich foods are already part of a healthy diet; a gummy simply offers a more consistent, convenient serving of that same ingredient profile, without needing to build meals around it. This is designed as a gradual daily approach, not instant topical colour.
Who this format suits: someone comfortable with a slow, subtle result rather than an overnight one, and someone who'd rather take two gummies with breakfast than remember to reapply a topical product. The full ingredient breakdown, including exactly why those amounts are printed the way they are, is in What's actually in a tanning gummy.
Carrots make the point better than any study summary can: carotenoid colour is real, and it comes from the inside. The visible extreme belongs to sustained intakes far above a normal diet, and if you're already on a beta-carotene multivitamin it's worth adding the two together (the safety guide covers that). What Asuno offers is the measured version of the same idea: 4 mg beta-carotene and 2 mg astaxanthin, in two peach-mango gummies, once a day.
Two soft, pectin-based gummies a day, the amounts printed on the panel rather than folded into a blend. No promise of an overnight result, just a measured daily serving.
Quick answers
Can eating too many carrots actually change your skin colour?
Is eating carrots the same as taking a tanning gummy?
Is carotenemia the same as a tan?
How is carotenemia different from jaundice?
Could a tanning gummy give me carotenemia?
How long does it take to go away?
- Al Nasser Y, Jamal Z, Albugeaey M. Carotenemia. StatPearls, National Library of Medicine (NCBI Bookshelf), updated 12 June 2023, accessed 11 August 2026.
- DermNet NZ. Carotenoderma. Accessed 11 August 2026.
- Cleveland Clinic. Carotenemia: What It Is, Causes and Treatments. Accessed 11 August 2026.
- Asuno Tanning Gummies supplement facts panel, as packaged and sold.
This article is general information about published clinical literature. It isn't medical advice. If you notice yellowing in the whites of your eyes, that isn't carotenemia; see a doctor. If you're pregnant, breastfeeding, taking medication or managing a health condition, check with your doctor before starting any supplement.
