---
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: "€ 100.23"
currency: EUR
in_stock: true
reviews_count: 8
category: "Nutraharmony"
url: https://www.desertcart.hr/products/685947621-biotin-collagen-hyaluronic-acid-keratin-clinically-tested-supplement-hair-growth
store_origin: HR
region: Croatia
---

# 25,000 mcg Biotin potency Clinically tested formula Made in USA, GMP-certified 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:** € 100.23
**Availability:** ✅ In Stock

## Summary

> ✨ Unlock Your Inner Glow — Because You Deserve to Shine Bright! ✨

## 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?** € 100.23 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/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

- • **Clean & Pure Wellness:** Non-GMO, gluten-free, and free from fillers—because your beauty deserves the best.
- • **Power-Packed Biotin Boost:** 25,000 mcg of Vitamin B7 fuels hair growth and nail strength for visible transformation.
- • **Triple-Action Beauty Blend:** Synergistic Collagen, Keratin & Hyaluronic Acid hydrate skin, enhance elasticity, and fortify strands.
- • **Clinically Proven Confidence:** Backed by a 90-day randomized, double-blind study ensuring safety and real results.
- • **Made in the USA with Precision:** Crafted in GMP-certified facilities guaranteeing premium quality and consistency.

## Overview

This advanced beauty supplement combines 25,000 mcg of Biotin with Collagen, Keratin, and Hyaluronic Acid to support natural hair growth, skin hydration, and nail strength. Clinically tested and made in a GMP-certified USA facility, it offers a clean, potent formula free from GMOs and gluten. Perfect for men and women seeking a scientifically backed, all-in-one beauty boost that delivers noticeable results within weeks.

## 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: Fantastic results for hair, skin, and nail. - I’ve been taking this biotin and collagen supplement for a few weeks, and I can already see a difference! My hair feels thicker and shinier, my nails are stronger, and my skin looks healthier and more hydrated. I love that it includes hyaluronic acid and keratin too, it’s like an all in one beauty boost. The capsules are easy to swallow and gentle on my stomach. Plus, it’s made in the USA and packed with quality ingredients. I’m really impressed with the results. Highly recommend for anyone wanting to support hair, skin, and nail health naturally.
Review: Works very well! - I've been taking this for 3 months now, and I have noticed a big difference in nail and hair regrowth. My hair stylist has also noticed!

## 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 | #7,245 in Health & Household ( See Top 100 in Health & Household ) #4 in Hyaluronic Acid Nutritional Supplements |
| Customer Reviews | 4.6 4.6 out of 5 stars (830) |
| 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:** 0.24 Pounds
- **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

### ⭐⭐⭐⭐⭐ Fantastic results for hair, skin, and nail.
*by L***X on October 16, 2025*

I’ve been taking this biotin and collagen supplement for a few weeks, and I can already see a difference! My hair feels thicker and shinier, my nails are stronger, and my skin looks healthier and more hydrated. I love that it includes hyaluronic acid and keratin too, it’s like an all in one beauty boost. The capsules are easy to swallow and gentle on my stomach. Plus, it’s made in the USA and packed with quality ingredients. I’m really impressed with the results. Highly recommend for anyone wanting to support hair, skin, and nail health naturally.

### ⭐⭐⭐⭐⭐ Works very well!
*by A***S on December 27, 2025*

I've been taking this for 3 months now, and I have noticed a big difference in nail and hair regrowth. My hair stylist has also noticed!

### ⭐⭐⭐⭐⭐ 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 Croatia*
*Store origin: HR*
*Last updated: 2026-01-22*