No known drug interactions for the matched ingredients — not a guarantee none exist. Check your meds →
Dietary supplement

Killer Nails Ingredients & Drug Interactions

by HUM

Capsule Category: Vitamin
No known interaction
The interaction bottom line No known interaction

Killer Nails is a dietary supplement by HUM with 1 active ingredient. Its ingredients are commonly taken for hair growth and thinning hair, brittle nails, skin health.We don’t currently list a known drug interaction for its mapped ingredients — but that doesn’t guarantee none exist, so always confirm with your pharmacist.

HelloPharmacist Scorecard of Killer Nails by HUM

Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.

From our pharmacy team — supplement deep dive

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 1 of its 1 active ingredient.
  • No proprietary blends here — you can verify the dose of every single component.

This product contains one active ingredient: biotin, a B vitamin your body needs to support healthy nails, hair, and skin. The capsule also includes inactive ingredients — rice flour, cellulose, magnesium stearate, and silica — which are fillers and binders that help hold the supplement together.

Does it work?

Insufficient evidence
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Insufficient

There isn't enough reliable clinical evidence to rate this product's ingredients for its stated purpose.

Why this rating?
  • The label markets this product for: Support longer stronger nails and hair.
  • We looked for evidence on: Brittle nails, Hair strength, Hair growth, Nail health.
  • The closest evidence on file: Biotin is rated "Insufficient Reliable Evidence To Rate" for Brittle nails (Natural Medicines).

Biotin is likely effective for biotin deficiency, which can happen with certain medical conditions or medications that interfere with how your body absorbs it. For nail, hair, and skin health in people who aren't deficient, the evidence isn't established in the data we hold.

The supplement has been studied for alopecia areata (patchy hair loss), multiple sclerosis, and seborrheic dermatitis (a skin condition), but we don't have reliable evidence it works for those uses.

The evidence, ingredient by ingredient Biotin

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 1 of the 1 matched ingredient.
  • Pregnancy & breastfeeding safety ratings cover 1 of 1.
  • General safety write-ups exist for 1 of 1.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Biotin is generally well tolerated, even at fairly high doses, because your body sheds excess amounts in your urine. High-dose biotin has rarely caused mild diarrhea in a small number of people.

One unusual case of inflammation around the lungs and heart was reported in a patient taking biotin along with pantothenic acid and another medication, but it's unclear whether biotin was the cause. Normal dietary amounts and standard supplements are considered likely safe during pregnancy and lactation, though you should check with your doctor before taking high-dose products.

Side effects, ingredient by ingredient Biotin

Meds to double-check

No known interactions
Known Interaction Concern · database check
No known interactions

No medication interactions are currently documented for the matched ingredients — that isn't a guarantee none exist.

Why this rating?
  • None of the 1 matched ingredient has a documented medication interaction on file.

No interactions are documented in our data for the ingredients we could check. Use the medication checker on this page to verify your exact drugs.

The bottom line

Scorecard at a glanceFully disclosed formula with insufficient evidence for its stated purpose. No medication interactions are currently documented, and safety information is well characterized.

If you have a biotin deficiency, this product can help. If you're taking it for general nail health, the evidence isn't there yet.

Biotin is very well tolerated, and no drug interactions are documented — but run your medications through the checker anyway to be thorough.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated Dec 26, 2020.

This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed

At a glance

General information

Key facts about Killer Nails, straight from the product label.

Brand HUM
Net contents 30 Daily Packet(s)
Market status On market
Date entered into DSLD Dec 26, 2020
DSLD ID 241715
Product type Vitamin
Supplement form Capsule
Dietary claims / uses Nutrient, All Other, Structure/Function
Intended target group(s) Vegetarian, Adult (18 - 50 Years), Gluten Free, Dairy Free, Sugar Free
From the label
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.

Supplement Facts

The label details for Killer Nails by HUM, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
1 Capsule(s)
Maximum serving Sizes:
1 Capsule(s)
Servings per container
30
IngredientAmount% DV
Biotin5000 mcg1667%

Other ingredients: Rice Flour, Cellulose, Magnesium Stearate, Silica

Tap any ingredient to jump to its full detail below.

Label statements
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
General Statements

HUM Beauty starts from within

Beauty starts from within At HUM our mission is to make you look great and feel even greater through scientifically researched nutrition.

Formulation

For glowing skin, glamorous hair & perfect nails

Vegetarian formula

Runway Ready daily packs have been designed by leading nutritionists to give your skin, hair and nails the nutritional support they deserve. They combine two of our most popular formulas, Red Carpet and Killer Nails.

Non GMO Gluten/soy free No artificial colors or preservatives

Vegetarian

Sustainably sourced GMP certified

This product contains no animal products (including dairy, fish, shellfish, eggs & gelatin). It's free of gluten, sugar, salt, yeast, wheat, soy, milk & nuts. No artificial colors, flavors or preservatives.

Formula

30 daily packs (3 pills) combining our Red Carpet + Killer Nails formulas High potency biotin

Killer Nails supports longer stronger nails & hair Let Killer Nails come to your defense, with 5000 mcg of Biotin to be exact. Widely used for strong nails and hair, and specially formulated for HUM in a high potency vegan formula.

FDA Statement of Identity

Dietary Supplement

Suggested/Recommended/Usage/Directions

Recommended by leading nutritionists Take content of 1 pack daily with food.

FDA Disclaimer Statement

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

Storage

Keep in a cool, dry place. Avoid storing in direct sun light.

Precautions

Consult your healthcare professional prior to use if you have or suspect a medical condition, are taking prescription drugs or are pregnant or lactating.

Do not use if seal is broken.

Keep out of reach of children.

See for yourself

Killer Nails by HUM label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

What’s inside

The Ingredients in Killer Nails by HUM

This is the 1 active ingredient this product is made of. Select it to open its full monograph.

Serving size1 Capsule(s) Dosage formCapsule Servings per container30 Amounts shown are per serving.

Biotin

No known
interactions
5000 mcg per serving

Biotin (vitamin B7) is a water-soluble vitamin your body needs to turn food into energy and to support healthy hair, skin, and nails. Most people get...

Biotin monograph & interactions

Other (inactive) ingredients: Rice Flour, Cellulose, Magnesium Stearate, Silica. These complete the product’s ingredient list but are not active constituents.

Interaction report

Killer Nails by HUM Drug Interactions

We don’t currently list any known drug interactions for the mapped ingredients in Killer Nails. This doesn’t guarantee none exist — always confirm with your pharmacist before combining a supplement with your medications.

The maker

Brand information

Manufacturer and brand details for Killer Nails, from the product label.

HUM

See all HUM products
Name
HUM Nutrition Inc
City
Los Angeles
State
CA
ZipCode
90046
Phone Number
800-805-3861
Pharmacist Counseling Corner

Killer Nails by HUM: Common Questions

Does Killer Nails by HUM interact with any medications?
We do not currently list a known interaction for the mapped ingredients in Killer Nails. This does not guarantee none exist, so confirm with your pharmacist.
How can one product interact with so many drugs?
Killer Nails contains a single active ingredient, and that one ingredient can interact with many different medications on its own. We check it against each medication and show the mechanism responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Will biotin interact with my medications?
No interactions are documented in our data. That said, absence of documented interactions isn't a guarantee none exist, so it's smart to check your specific medications with the tool on this page before you start.
Is biotin safe to take every day?
Yes — biotin is generally well tolerated at regular doses, and excess amounts are cleared through your urine. If you're taking a high-dose supplement, check with your doctor first.
Can I take this while pregnant or breastfeeding?
Biotin is rated likely safe during pregnancy and lactation at normal dietary and standard supplement amounts. For high-dose products, talk with your doctor first.
Does biotin actually make nails stronger?
Biotin is proven effective for biotin deficiency, which can weaken nails. For people with normal biotin levels, we don't have reliable evidence yet that supplements improve nail health.
What are the side effects of biotin?
Biotin is very well tolerated. High-dose biotin has rarely caused mild diarrhea, and there's one unusual case report of inflammation around the lungs and heart in someone taking biotin with other supplements and medications — but the link isn't clear.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Not sure if Killer Nails is safe with your meds?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.

Killer Nails label
Go deeper

The Full Monographs Behind Killer Nails’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Sources

Sources & How We Checked

Killer Nails's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

The 4 references behind this product’s interaction data

Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.

Biotin 4 references
  1. Debourdeau PM, Djezzar S, Estival JL, et al. Life-threatening eosinophilic pleuropericardial effusion related to vitamins B5 and H. Ann Pharmacother 2001;35:424-6. DOI
  2. Food and Nutrition Board, Institute of Medicine. Dietary Reference Intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline (2000). Washington, DC: National Academy Press, 2000. Available at: http://b
  3. Mock DM, Quirk JG, Mock NI. Marginal biotin deficiency during normal pregnancy. Am J Clin Nutr 2002;75:295-9. PubMed
  4. Sedel F, Papeix C, Bellanger A, Touitou V, Lebrun-Frenay C, Galanaud D, et al. High doses of biotin in chronic progressive multiple sclerosis: a pilot study.Mult Scler Relat Disord. 2015;4(2):159-69. doi: 10.1016/j.msard.2015.01.005. PubMed

See these in context on the Biotin monograph →

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

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