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Available at HUM & Sephora
$10 off your first order
Free shipping on orders over $50

Killer Nails®

supports longer, stronger nails + hair*

This high-potency vegan biotin supplement supports nail and hair health for length + strength from root to tip

30 vegan capsules · 30 days
Save up to 50% on your first order at checkout

What it does

  • Helps strengthen nails + hair
  • Supports nail thickness
  • Helps reduce nail splitting + breakage

How it works

  • Vegan biotin improves hair and nail strength

How to take

  • Take 1 capsule, daily, with food

25% increase in nail thickness in people with brittle, splitting, or soft nails**

We formulate with clinically proven nutrients and source with great care. Every ingredient is meticulously tested to ensure that all of our supplements are pure, potent and effective.

  • Non-GMO

  • Triple tested for purity

  • Gluten-free

  • No artificial sweeteners or colors

  • Verified by independent labs for potency

What's Inside

  1. Vegan Biotin

    Vegan Biotin

    This B vitamin helps strengthen nails and hair.*



  • Can I take Killer Nails® with Hair Sweet Hair™?

    Because of the high amount of biotin in each supplement, we don’t suggest taking them together as it may cause breakouts.

  • Can Killer Nails® also help my hair?

    Yes! Killer Nails® contains biotin which can also support hair health.

  • Is Killer Nails® made in an FDA-approved facility?

    All of our products are made in facilities that are certified to follow GMPs (Good Manufacturing Processes), required by the FDA. This means our manufacturers have specific quality standards to ensure every product has the right identity, purity, strength and composition.
  • Is Killer Nails® vegan?

    Yes, Killer Nails® is vegan and it is certified by Vegan Action.
  • Is Killer Nails® gluten-free?

    Yes! All HUM products are gluten-free and tested to ensure gluten isn’t present at levels greater than 20ppm, which is the regulatory criteria for “gluten-free” set by the FDA.
  • Is Killer Nails® non-GMO?

    Yes! All HUM products are non-GMO.

Only at HUM

  • Save 25% or more

    with plans + bundles

  • Earn rewards

    get points with every order

  • Free samples

    your choice with every order

  • Free RD access

    1:1 expert advice

  • Early access

    first look at new products

  • Refer + earn

    up to 200 points per friend

*Receive 25% off on all orders placed. A minimum of three orders must be placed to maintain discounts. You have the ability to change your shipment at any time, if you cancel before the minimum three orders are processed you will be charged for the amount of any plan savings accrued up until that point.