Image credit: Ai-generated If you’ve spent any time scrolling through beauty content, you’ve probably come across biotin more times than you can count.It’s the vitamin behind nearly every hair-skin-and-nails gummy on the shelf, and it’s not hype for nothing.Biotin, also called vitamin B7, helps your body convert food into energy while also supporting keratin production; the protein that makes up your hair, skin, and nails.The good news? You don’t need a cabinet full of supplements to get it. Some of the biggest names swear by getting their biotin the old-fashioned way: through food.Here are three go-to sources, plus the celebrities who’ve made them part of their daily routine.
Egg yolk
According to Healthline, eggs are one of the richest natural sources of biotin, most of it concentrated in the yolk.Hence skipping it for an egg-white omelet actually works against you here.Many celebrities like Jennifer Aniston, whose skin has become something of an internet obsession, have spoken openly about her love for a good egg-based breakfast.In an interview with Elle, she described her mornings as starting with warm lemon water followed by “a shake or avocado and eggs,” which she called one of her favorites, often finished with a drizzle of coconut oil.
Salmon
Ask any dermatologist and they’ll tell you biotin works best alongside omega-3 fatty acids, and salmon happens to deliver both.Supermodel Miranda Kerr, who’s built an entire wellness brand around clean living, has credited her hair and skin to what she calls eating for nutrients rather than just eating for taste.In an interview with Fox News, she explained that she follows a strict “healthy hair diet,” saying she eats salmon, avocado, macadamia oil, and cooks with coconut oil, adding that getting your omega 3-6-9 is important for the brain and skin.Salmon isn’t just a source of biotin on its own, it also supports the skin’s moisture barrier and can help calm inflammation, which is part of why it keeps showing up in celebrity wellness routines.Even if you’re not swimming in a supermodel’s grocery budget, a few servings a week can make a real difference.
Avocado
Avocado is packed with biotin, healthy fats, fibre, and potassium, making it a genuine daily-diet essential rather than just a passing trend.It supports skin health, digestion, and steady energy, which is likely why it features on so many celebrity plates.Malaika Arora often shares her go-to breakfast of a simple three-ingredient avocado toast with boiled eggs. Formula 1 champion Lewis Hamilton includes avocado toast or fruit as part of his plant-based mornings.Zendaya has spoken about enjoying a viral avocado pasta recipe she came across. Simple, nutrient-dense, and celebrity-loved, avocado remains a smart everyday addition for anyone seeking real, lasting nutritional value.According to the National Institute of Health, biotin deficiency is genuinely rare, and for most people, food alone covers what the body needs. So before reaching for another gummy vitamin, it might be worth simply raiding the fridge instead.
The takeaway
If there’s one takeaway here, it’s that healthy hair and glowing skin come from what you eat consistently over time. Eggs, salmon, and avocado aren’t celebrity secrets because they’re expensive or hard to find; they’re foods that naturally bring together nutrients your body already knows how to use. And while biotin supplements have their place for people with a diagnosed deficiency, most of us can get enough through a balanced diet. So before buying another bottle, it might be worth looking at what’s already sitting on your breakfast plate.