Best Vitamins for Hair Growth of 2026

The capsule is the whole reason to buy this one. It's tiny — small enough that swallowing it never becomes the part of the routine you dread — and it's a plain vegan capsule with no artificial colors, flavors, or preservatives. At the lowest cost per serving in this group, this is the bottle we point people toward when they want to find out whether biotin does anything for them without spending much to ask the question.

The dose is 5,000 mcg, half our top pick and still many times what a normal diet supplies; 130 capsules works out to about four months. The label is unusually plain about where it comes from — blended and packaged in a GMP facility in the U.S. from ingredients made in China — and we appreciate that kind of honesty on a house brand.

Two gummies is a serving, which makes the 100-count bottle a 50-day supply — not a hundred days, which is how most of us read a label at first glance. That's the first thing worth knowing about any gummy vitamin, and it changes the math when you stack it against a capsule bottle.

Blueberry, chewy, and sweet without tipping into candy: this is the best-tasting option in the roundup, and it's made without high-fructose corn syrup, artificial sweeteners, or synthetic dyes. It's the one we keep on the desk rather than in the medicine cabinet, because a supplement you look forward to is a supplement you finish.

That's why it's our gummy pick. If the reason a hair vitamin never became a habit is that you hate swallowing pills, this solves the actual problem, and 5,000 mcg per two gummies is a sensible dose — stronger nails and faster growth show up in the results just as they do with the softgels. Fifty days a bottle means you'll reorder more often than you'd like, so buy two.

2,500 mcg is a quarter of what most of this list delivers, and that's exactly the point. This is the pick for someone who wants biotin in the background of a normal routine rather than a megadose — one small softgel a day, 120 in the bottle, four months before you reorder.

Biotin isn't alone in the softgel: vitamin C and vitamin A ride along, both of which do real work for skin, and the formula is gluten-free with no synthetic dyes or artificial flavors. The results read accordingly — steadier nails, gradual changes up top, nothing dramatic.

Where it fits is a first bottle, or a permanent low-key one. If you've already done well on 10,000 mcg and your nails have never been stronger, this is a step backward rather than an upgrade — the dose is the whole difference.

One bottle covers two jobs: a full multivitamin — all eight B vitamins, vitamin C, and Lustriva — plus 10,000 mcg of biotin in the form of magnesium biotinate, which the company says dissolves more readily than standard D-biotin. Fifteen ounces, sugar-free, in peach mango or dragon fruit melon.

The person who has already given up on pills is who this is for. There's nothing to swallow, it pours into a morning glass of juice, and we think it's the easiest bottle here to actually keep up with across a whole month. It's also the only pick that replaces the multivitamin you were already taking, which is the entire case for it.

The price is where the argument gets harder. This is the most expensive bottle in the roundup, and if you already have a multivitamin you like, you're paying a premium for a second source of the B vitamins. If you don't, the math is friendlier than it looks at checkout.

Nearly every 10,000 mcg pick here is a softgel or a capsule. This one is a tablet — a mini tablet, small enough that the size stops being a consideration, which is not something you can say about most high-dose biotin.

The rest of the label is unusually specific: laboratory tested, GMO-free, gluten-free, soy-free, and made in the company's own cGMP-certified facility in New York, with a testing process it describes in more detail than most. 150 tablets to the bottle, which is five months at one a day.

We keep this one around for the weeks when a big capsule feels like a chore. Cost per day is among the lowest here at this dose, the tablet has no taste, and the bottle lasts long enough to forget about. The catch is the results themselves: they're good, but they're not as consistent as our top pick's — so this is the value play rather than the safest bet.

The ingredient list is the longest in this roundup: biotin, collagen, keratin, hyaluronic acid, a full B-complex, vitamins A and E, and botanical extracts, all in one capsule. Sixty to a bottle.

A caveat about the headline ingredients. A capsule holds hundreds of milligrams, not the grams of collagen used in skin research, so the collagen and keratin here are supporting players. Buy this for the biotin and the B vitamins and treat the rest as a bonus. The company points to a 90-day study of 80 women for its hair-growth claim, which is worth reading and worth weighing — it isn't the same thing as an independent trial.

Where it does well is the everyday stuff. Stronger nails, thicker-feeling hair, less shedding: the results here are as consistent as anything in the group short of the top pick, and the capsule goes down easily.

What holds it back for us is cost. It's the most expensive per capsule in the set, and a few people do get a stomachache from it; taking it with food tends to settle that. If you want several hair nutrients in one swallow and don't mind paying for the convenience, this is the one we point to.

240 capsules is roughly eight months of biotin at one a day, which is either the best thing about this bottle or a warning, depending on how good you are at finishing what you start.

The label is more forthcoming than most: vegan, GMO-free, gluten-free, third-party tested, and made in a GMP-compliant, FDA-registered facility. For a single-ingredient supplement, that's the information we want to see, because there's nothing else on the label to distract you.

It's also the least expensive way here to take 10,000 mcg a day, and there's no taste to get past. The capsules are the sticking point: these are big, and if large pills are the reason you stopped taking a supplement before, they'll be the reason again.

We treat it as the bulk refill: buy it once, forget it for most of a year. That only makes sense if you already know biotin agrees with you — if you've never taken it, a smaller bottle is the smarter first step, because eight months is a long time to live with a supplement that doesn't suit you.