---
product_id: 685947621
title: "Biotin | Collagen | Hyaluronic Acid | Keratin - Support Normal Hair Growth Cycle, Skin & Nails - Clinically Tested - 25000mcg Vitamins B1, B2, B3, B6 & B7 - for Women & Men - 120 Capsules"
brand: "nutraharmony"
price: "€ 100.73"
currency: EUR
in_stock: true
reviews_count: 10
category: "Nutraharmony"
url: https://www.desertcart.hr/products/685947621-biotin-collagen-hyaluronic-acid-keratin-support-normal-hair-growth-cycle
store_origin: HR
region: Croatia
---

# Non-GMO, gluten-free, clean formula 25,000 mcg Biotin per serving Clinically tested for hair & scalp health Biotin | Collagen | Hyaluronic Acid | Keratin - Support Normal Hair Growth Cycle, Skin & Nails - Clinically Tested - 25000mcg Vitamins B1, B2, B3, B6 & B7 - for Women & Men - 120 Capsules

**Brand:** nutraharmony
**Price:** € 100.73
**Availability:** ✅ In Stock

## Summary

> ✨ Unlock your glow-up with science-backed beauty power!

## Quick Answers

- **What is this?** Biotin | Collagen | Hyaluronic Acid | Keratin - Support Normal Hair Growth Cycle, Skin & Nails - Clinically Tested - 25000mcg Vitamins B1, B2, B3, B6 & B7 - for Women & Men - 120 Capsules by nutraharmony
- **How much does it cost?** € 100.73 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-support-normal-hair-growth-cycle)

## 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

- • **Unisex & All Hair Types:** Formulated for men and women, supporting curly, textured, and color-treated hair alike.
- • **Clinically Proven Results:** Backed by a 90-day study showing visible improvements in hair cycle and scalp skin.
- • **Power-Packed Biotin Boost:** Delivers a potent 25,000 mcg Biotin dose to fuel hair growth and nail strength.
- • **Clean & Transparent Formula:** Crafted without GMOs, gluten, or fillers—pure quality you can trust.
- • **Multi-Targeted Beauty Complex:** Combines Collagen, Keratin & Hyaluronic Acid for radiant skin, resilient nails, and stronger hair.

## Overview

NUTRAHARMONY’s Biotin, Collagen, Hyaluronic Acid & Keratin capsules deliver a clinically tested, high-potency blend of 25,000 mcg Biotin plus essential proteins and vitamins to support the natural hair growth cycle, enhance skin hydration and elasticity, and strengthen nails. Made in the USA with non-GMO, gluten-free ingredients, this unisex formula is designed for consistent use over 30-90 days to reveal healthier hair, skin, and nails.

## 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. 1. Is it clinically tested, and where can I see the study? Yes, this product has been clinically tested in double-blind, placebo-controlled studies. The results showed significant support for healthy hair growth and improved scalp skin appearance. You can find the full studies here: Study NCT06605768 Study NCT07520019 2. Is it better than taking Pure Biotin? Yes, it is more effective than pure biotin because it combines biotin with additional beneficial nutrients specifically formulated to support hair, skin, and nail health. This is a thoughtfully designed multicomplex that provides a broader range of benefits. 3. What can I add to enhance the effect? To further boost results, consider adding: - Collagen Capsules: For enhanced skin nourishment and elasticity. - Vitamin D3+K2: As a versatile support for overall health. - Omega-3: A basic essential fatty acid for general health and skin support. 4. What is the difference between capsules, gummies, softgels, and drops? NUTRAHARMONY offers a focused range of biotin products, allowing customers to choose both dosage and format based on personal preference and lifestyle: - Biotin, Collagen & Keratin Complex Capsules - Contains 5,000 mcg of Biotin - Biotin & Collagen Drops - Contains 20,000 mcg of Biotin - Biotin, Collagen & Keratin Complex Gummies - Contains 10,000 mcg of Biotin - Pure Biotin & Silica - Contains 10,000 mcg of Pharmaceutical (USP) Grade Biotin Each format is designed to meet different preferences and wellness goals, reflecting not only varying Biotin dosages but also distinct, holistic approaches: - Capsules & Gummies are comprehensive hair-support formulas, combining Biotin with multiple complementary nutrients and vitamins to support hair, skin, and nails. - Softgels provide pure, USP-grade Biotin for those who prefer a pure, single-ingredient solution without multicomplex. - Liquid drops offer a beauty-focused liquid alternative for individuals who prefer not to take solid supplements, delivering Biotin in an easy-to-take format. Compatible with Most Supplements: can be taken alongside a variety of vitamins and supplements, including Vitamin D3+K2, Magnesium, Iron, Glucosamine, Ceylon Cinnamon, herbal blends, and mushrooms. Safe with Collagen: you can take this product alongside collagen powder / supplement — we even recommend it as a great pairing for overall beauty & wellness support. Avoid Excessive B-Complex: this product already provides a full daily serving of B-vitamins, so it's best not to combine it with additional B-Complex supplements. Biotin may interfere with thyroid hormone tests. If you are planning to undergo a thyroid test, discontinue use of this product at least 3 days before the test and inform your physician.

Review: Convenient beauty supplement for hair, skin, and nails - I decided to try this biotin + collagen supplement because I was looking for something to support my hair, skin, and nails in one product, and so far it has been easy to incorporate into my routine. 👍 What I liked the most: • The combination of biotin, collagen, and keratin is very convenient in one formula • Capsules are easy to take and don’t have a strong taste • Includes additional ingredients that support overall skin and hair health  • Feels like a complete “beauty supplement” instead of taking multiple products 👎 What could be better: • Results take time, so consistency is important • It’s hard to tell quick changes in the first weeks 📌 Conclusion: Overall, it’s a good option if you’re looking for a simple supplement to support hair, skin, and nails. I would recommend it for anyone who prefers an all-in-one formula.
Review: Biotin, Collagen, Hyaluronic Acid & Keratin Hair Growth Supplement Review. - I have been using this hair growth supplement for a while and I am very happy with my experience. It is easy to take daily and fits well into my routine. I like that it combines biotin, collagen, hyaluronic acid, and keratin, which all work together to support healthier-looking hair. My hair feels stronger, looks shinier, and I have noticed less breakage over time.

## Features

- Biotin, Collagen & Keratin — a beauty multicomplex featuring Biotin, Collagen, Keratin, Hyaluronic Acid, Vitamin B-complex, Vitamins A & E, and natural botanical extracts. Each serving is designed to provide well-rounded nutritional support to complement your beauty routine.
- Hair Support — supplies essential nutrients that support the normal hair growth cycle and help maintain hair strength and structure.* Suitable for all hair types, including curly, textured, or color-treated hair.
- Nail & Skin Health — supports healthy nails and skin by maintaining nail strength and resilience, while enhancing skin hydration and elasticity for a smoother, more youthful appearance.*
- Clinically Tested — A 90-day study with 80 women showed support for a healthy hair growth cycle and visible improvements in scalp skin appearance. Study #1-0602, 2024.
- Thoughtfully Formulated — made without GMOs, gluten, unnecessary additives, or harsh fillers. NUTRAHARMONY focuses on clarity, quality, and ingredient transparency.
- For Men and Women — formulated to support both men and women with a comprehensive complex for hair, skin, and nail health.*
- Premium Quality — made in USA with globally sourced ingredients in GMP-certified facilities and third-party lab tested for purity and quality. Carefully crafted to deliver consistent, reliable support with every capsule.
- Consistency is Key — results are not immediate. To achieve the desired results, consistency is crucial. Depending on your personal situation, it may require 1 to 3 courses (30-90 days) to see visible improvements.
- *Each serving of 2 capsules contains a blend of Vitamins B1, B2, B3, B6 & B7 (Biotin), totaling 25,000 mcg. This dosage does not include the weight of Collagen & Keratin. **Study #1-0602, 2024.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DJBQW5FG |
| Age Range Description | Adult |
| Allergen Information | Fish |
| Best Sellers Rank | #419 in Health & Household ( See Top 100 in Health & Household ) #1 in Hyaluronic Acid Nutritional Supplements |
| Brand | NUTRAHARMONY |
| Brand Name | NUTRAHARMONY |
| Container Type | Bottle |
| Customer Reviews | 4.5 out of 5 stars 18,504 Reviews |
| Diet Type | Gluten Free |
| Dosage Form | Capsule |
| Flavor | Unflavored |
| Item Form | Capsule |
| Item Weight | 3.84 ounces |
| Manufacturer | Distributed by Nutra Harmony LLC |
| Manufacturer Part Number | BC-02 |
| Material Features | GMO Free |
| Model Name | BC-02 |
| Model Number | BC-02 |
| Number of Items | 1 |
| Primary Supplement Type | B Vitamins, Biotin, Collagen, Hyaluronic Acid, Keratin |
| Product Benefits | Nails, Hair & Skin Health Support |
| Supplement Formulation | Multi-Supplement |
| Total Servings Per Container | 60 |
| Unit Count | 120.00 Count |

## 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:** B Vitamins, Biotin, Collagen, Hyaluronic Acid, Keratin
- **Product Benefits:** Nails, Hair & Skin Health Support
- **Unit Count:** 120.00 Count

## Images

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

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Convenient beauty supplement for hair, skin, and nails
*by M***L on April 1, 2026*

I decided to try this biotin + collagen supplement because I was looking for something to support my hair, skin, and nails in one product, and so far it has been easy to incorporate into my routine. 👍 What I liked the most: • The combination of biotin, collagen, and keratin is very convenient in one formula • Capsules are easy to take and don’t have a strong taste • Includes additional ingredients that support overall skin and hair health  • Feels like a complete “beauty supplement” instead of taking multiple products 👎 What could be better: • Results take time, so consistency is important • It’s hard to tell quick changes in the first weeks 📌 Conclusion: Overall, it’s a good option if you’re looking for a simple supplement to support hair, skin, and nails. I would recommend it for anyone who prefers an all-in-one formula.

### ⭐⭐⭐⭐⭐ Biotin, Collagen, Hyaluronic Acid & Keratin Hair Growth Supplement Review.
*by M***O on June 27, 2026*

I have been using this hair growth supplement for a while and I am very happy with my experience. It is easy to take daily and fits well into my routine. I like that it combines biotin, collagen, hyaluronic acid, and keratin, which all work together to support healthier-looking hair. My hair feels stronger, looks shinier, and I have noticed less breakage over time.

### ⭐⭐⭐⭐⭐ Great product
*by T***B on June 30, 2026*

I've been on these for about 6 weeks, just reordered - my fingernails are improving. Great product.

## 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: 2026-07-12*