---
product_id: 685947621
title: "Biotin | Collagen | Hyaluronic Acid | Keratin - Clinically Tested Supplement - Hair Growth Support, Skin & Nails - 25000 mcg Vitamins B2, B3, B6 & B7 + B1 - Made in USA - Women & Men | 120 Capsules"
brand: "nutraharmony"
price: "745 kr"
currency: DKK
in_stock: true
reviews_count: 8
category: "Nutraharmony"
url: https://www.desertcart.dk/products/685947621-biotin-collagen-hyaluronic-acid-keratin-clinically-tested-supplement-hair-growth
store_origin: DK
region: Denmark
---

# 25,000 mcg Biotin potency Clinically tested formula Made in GMP-certified USA facility Biotin | Collagen | Hyaluronic Acid | Keratin - Clinically Tested Supplement - Hair Growth Support, Skin & Nails - 25000 mcg Vitamins B2, B3, B6 & B7 + B1 - Made in USA - Women & Men | 120 Capsules

**Brand:** nutraharmony
**Price:** 745 kr
**Availability:** ✅ In Stock

## Summary

> ✨ Unlock Your Inner Glow with Every Capsule 💫

## Quick Answers

- **What is this?** Biotin | Collagen | Hyaluronic Acid | Keratin - Clinically Tested Supplement - Hair Growth Support, Skin & Nails - 25000 mcg Vitamins B2, B3, B6 & B7 + B1 - Made in USA - Women & Men | 120 Capsules by nutraharmony
- **How much does it cost?** 745 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/685947621-biotin-collagen-hyaluronic-acid-keratin-clinically-tested-supplement-hair-growth)

## Best For

- nutraharmony enthusiasts

## Why This Product

- Trusted nutraharmony brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Triple-Action Nutrient Blend:** Biotin, Collagen & Keratin team up to nourish hair roots, hydrate skin, and fortify nails from within.
- • **Clean, Pure & Premium Quality:** Non-GMO, gluten-free, and free from fillers—because your beauty deserves the best.
- • **Made in the USA with Precision:** Crafted under strict GMP standards ensuring safety, purity, and consistent potency every capsule.
- • **Clinically Proven Beauty Synergy:** Backed by a 90-day randomized, double-blind study for guaranteed results you can trust.
- • **Power-Packed 25,000 mcg Biotin Boost:** Supercharge hair growth, nail strength & skin vitality with industry-leading potency.

## Overview

This advanced supplement combines 25,000 mcg of Biotin with Collagen, Keratin, and Hyaluronic Acid in a clinically tested formula designed to support natural hair growth, skin hydration, and nail strength. Made in a GMP-certified USA facility, it offers a clean, non-GMO, gluten-free solution for men and women seeking a scientifically backed beauty boost from within.

## Description

Our supplement is a specially formulated blend of proteins, amino acids, and minerals that can help you achieve your desired beauty goals. It works from the inside out, providing balanced nutrition to promote skin, nail, and hair wellness. The biotin supplement can be taken alone or as an addition to your current skin and hair care regimen to further boost the results you see from this supplement. Let’s talk about Biotin: Biotin, also known as vitamin B7 or H in fitness circles, has been proven to play a significant role in aiding the body to metabolize critical proteins to maintain nail, skin, and hair. The deficiency in this nutrient is actually the reason behind hair, skin, and nails issues. In such cases, a suitable biotin collagen supplement can go a long way in correcting these types of problems. Apart from physical benefits, biotin may help support your cognitive functions. If you are looking for an all-around nutritional powerhouse, then this might just be it. What about collagen? Nothing conveys attractiveness better than glowing skin. Your body's collagen content is a naturally synthesized protein that is responsible for the smooth, even and plump appearance of youthful skin. When the levels of collagen go down unsightly fine lines and wrinkles replace what was once an alluring visage. Nutraharmony biotin collagen capsules are a solution to this problem. Now let’s move to Keratin. Keratin is a building block of the human body. Keratins are tough proteins. They help make up the tissues in the skin, hair, and nails. Our Keratin and Biotin Supplement helps support your overall body. Add these Hair Skin And Nails Vitamins to Cart Today and appreciate your decision in a few weeks.

Review: Effective Biotin Supplement for Hair Growth, Strong Nails & Healthy Skin” - ⭐️⭐️⭐️⭐️⭐️ Amazing Results for Hair, Skin & Nails! I’ve been taking Nutra Harmony Biotin with Collagen & Keratin (25,000 mcg) for a few weeks now, and I’m honestly impressed with the results. The first thing I noticed was a significant reduction in hair shedding, especially when brushing or showering. My hair feels stronger and healthier overall. My nails are growing faster and feel much harder, and I’ve also noticed my skin looks more hydrated and smooth. I like that this formula includes collagen, keratin, and B vitamins, which makes it a complete beauty supplement. The capsules are easy to swallow, and I haven’t experienced any side effects. I also appreciate that it’s non-GMO, gluten-free, and made in the USA. One bottle lasts a good amount of time, so it’s a great value for the price. If you’re struggling with hair thinning or weak nails, I highly recommend giving this biotin a try. I will definitely be repurchasing!
Review: My hair is longer and healthier my skin is brighter and my nails have grown quickly - This vitamin is the best I’ve tried it before and this my second order i recommend it .

## Features

- BIOTIN, COLLAGEN, KERATIN — advanced beauty blend combining essential nutrients that work in synergy to support your natural beauty from within. Biotin (Vitamin B7), Collagen, Keratin, and Hyaluronic Acid deliver vital support for healthy hair, glowing skin, and strong nails.
- HAIR SUPPORT — Biotin supplement specifically developed to support the natural hair growth process. Our nutrient-rich hair vitamins for women & men helps nourish your roots, strengthen strands, and maintain shine and smoothness for visibly healthier, fuller-looking hair.
- NAIL & SKIN HEALTH — not just for hair, NUTRAHARMONY beauty formula also supports nail strength, while Hyaluronic Acid and Collagen help maintain skin hydration, elasticity, and a youthful glow.
- CLINICALLY TESTED FORMULA — hair, skin & nail vitamins tested in a 90-day randomized, double-blind, placebo-controlled study, shown to be safe and effective for overall beauty support.
- QUALITY & PRECISION — each bottle of skin, hair and nails vitamins for women & men is made in the USA in a GMP-certified facility under strict quality control standards for purity, safety, and consistency.
- CLEAN FORMULA — our hair skin and nails vitamins are non-GMO, gluten-free, and crafted without unnecessary additives or harsh fillers, delivering pure, high-quality support for your hair, skin, and nail wellness.
- *Each serving of 2 capsules contains a blend of Vitamins B2, B3, B6 & B7 (Biotin), totaling 25,000 mcg. This dosage does not include the weight of Collagen & Keratin.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN  | B0DJBQW5FG |
| Best Sellers Rank | #8,387 in Health & Household ( See Top 100 in Health & Household ) #6 in Hyaluronic Acid Nutritional Supplements |
| Customer Reviews | 4.6 4.6 out of 5 stars (871) |
| Date First Available  | October 1, 2024 |
| Item model number  | BC-02 |
| Manufacturer  | Distributed by Nutra Harmony LLC |
| Package Dimensions  | 4.41 x 2.28 x 2.28 inches; 3.84 ounces |

## Product Details

- **Age Range (Description):** Adult
- **Brand:** NUTRAHARMONY
- **Diet Type:** Gluten Free
- **Flavor:** Unflavored
- **Item Form:** Capsule
- **Item Weight:** 3.84 ounces
- **Package Information:** Bottle
- **Primary Supplement Type:** Biotin, Collagen, Keratin, Hyaluronic Acid, B Vitamins
- **Product Benefits:** Nails, Hair & Skin Health Support
- **Unit Count:** 120.00 Count

## Images

![Biotin | Collagen | Hyaluronic Acid | Keratin - Clinically Tested Supplement - Hair Growth Support, Skin & Nails - 25000 mcg Vitamins B2, B3, B6 & B7 + B1 - Made in USA - Women & Men | 120 Capsules - Image 1](https://m.media-amazon.com/images/I/71FeshRE9JL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Effective Biotin Supplement for Hair Growth, Strong Nails & Healthy Skin”
*by R***A on January 29, 2026*

⭐️⭐️⭐️⭐️⭐️ Amazing Results for Hair, Skin & Nails! I’ve been taking Nutra Harmony Biotin with Collagen & Keratin (25,000 mcg) for a few weeks now, and I’m honestly impressed with the results. The first thing I noticed was a significant reduction in hair shedding, especially when brushing or showering. My hair feels stronger and healthier overall. My nails are growing faster and feel much harder, and I’ve also noticed my skin looks more hydrated and smooth. I like that this formula includes collagen, keratin, and B vitamins, which makes it a complete beauty supplement. The capsules are easy to swallow, and I haven’t experienced any side effects. I also appreciate that it’s non-GMO, gluten-free, and made in the USA. One bottle lasts a good amount of time, so it’s a great value for the price. If you’re struggling with hair thinning or weak nails, I highly recommend giving this biotin a try. I will definitely be repurchasing!

### ⭐⭐⭐⭐⭐ My hair is longer and healthier my skin is brighter and my nails have grown quickly
*by S***B on January 30, 2026*

This vitamin is the best I’ve tried it before and this my second order i recommend it .

### ⭐⭐⭐⭐⭐ So much hair!
*by S***N on November 26, 2025*

My hair naturally blonde and baby fine and thin before I started taking Biotin, collagen and Keratin w/hyaluronic acid. The first brand I used got discontinued so I switched to this brand. I know some people say that biotin doesn’t help with hair growth but my results beg to differ. I encourage you to take before pictures of yourself, your hair line, eyebrows & eyelashes, skin especially the back of your hands and face and finger nails. The 1st thing you will notice is your hair will take on a square box shape from all the new baby hair growing in underneath your hair proofing it out, showing it’s working! My skin was very fragile and thin before taking this supplement I would barely bump it against the corner of my cabinets and my skin would tear. Manicures left me with countless injuries. Now, my skin glows, doesn’t tear, my hair is thick and luscious, eyelashes are naturally ridiculously long, my eyebrows are bushy and finger nails grow like weeds. My hair is still fine but has way more body and I swear the strands are slightly thicker. I only take it every other day now because even though I wear my hair long it grows so fast I need a trim every 4-6 weeks where before I got 2 haircuts a year. I high recommend this supplement, you will notice some results right a way (glowing skin) hair & eyelashe growth will take about 4 weeks before you begin seeing results, be patient. Best wishes to you and your happy healthy hair, skin and nails!

## Frequently Bought Together

- Biotin | Collagen | Keratin - Clinically Tested Supplement - Hair Growth Support, Skin & Nails - 25000 mcg Vitamins B2, B3, B6 & B7 + B1 & Hyaluronic Acid - Made in USA - Women & Men | 120 Capsules
- Hydrating Hair Mask - For Dry Damaged Hair - Moisturizing Keratin Treatment - Argan & Coconut Oil | Biotin | Collagen - Deep Conditioning, Anti Frizz Product for Women - Care for All HairTypes, 10 Oz
- ArtNaturals Organic Rosemary & Castor Hair Growth Oil + Scalp Massager Set – Hair Styling Oils for Dry, Itchy Scalp, Thickening & Hydration - Scalp Oil Products For Damaged Hair & Split Ends – 4.0 oz

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-02-07*