Biotin, Collagen, Hyaluronic Acid & Keratin

A potent four-in-one beauty complex for strengthening hair, skin, and nail structures.

Full manufacturer title

Biotin, Collagen, Hyaluronic Acid & Keratin - Hair Growth Support, 120 Caps 120 Count (Pack of 1)

Typical price

$50

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Biotin, Collagen, Hyaluronic Acid & Keratin - Hair Growth Support, 120 Caps 120 Count (Pack of 1) image 1

Ravvy verdict

89.7 / 100

This is a powerhouse supplement for those who want maximum biotin levels, provided they can maintain the 90-day consistency required for visible results.

Best for: individuals struggling with brittle nails and thinning hair seeking a high-potency supplement
Buy it if: You want high potency 25,000 mcg Biotin per serving.
Skip it if: You prefer gummy vitamins over capsules.
Best alternative: Mineral Fusion Nail Polish Remover, 6 fl oz (Pack of 2) Liquid 6 Fl Oz (Pack of 2) (health-conscious beauty enthusiasts and those with brittle or sensitive nails)

How it scores on what matters

Ingredient Potency95.0
Value per Serving91.0
Formulation Balance88.5
Transparency86.0
Bioavailability84.0

Ravvy factor scores, 0 to 100, derived from specs, owner reviews and category norms.

What it is

The NutraHarmony Beauty Multicomplex targets the structural foundation of your hair and nails by combining 25,000 mcg of Biotin with hydrolyzed collagen and keratin. Unlike simple vitamin B7 supplements, this formula adds hyaluronic acid to improve skin hydration and a B-complex vitamin profile to support cellular energy. The result is a comprehensive internal approach to beauty that addresses thinning hair and brittle nails simultaneously. While the high biotin concentration is the headline feature, the inclusion of botanical extracts and essential vitamins A and E rounds out the nutritional profile. It is designed to work across all hair textures and skin types, focusing on the biological growth cycle rather than providing a superficial cosmetic fix. You should anticipate a commitment of two to three months to observe the full physiological impact of these building blocks on new growth.

Ravvy AI insight

The 25,000 mcg biotin dosage is significantly higher than standard daily values, making it highly effective for deficiency-related hair issues but potentially irritating for those prone to cystic acne. We recommend starting with a half dose if you have sensitive skin to assess tolerance before moving to the full two-capsule serving.

Generated from owner feedback, product specs, pricing, and retailer data. Last updated Aug 24, 2026.

What owners praise

High potency 25,000 mcg Biotin per serving
Comprehensive blend includes Keratin and Hyaluronic Acid
Third-party lab tested for purity and quality
Gluten-free and non-GMO formulation
Large 60-day supply per bottle
Positive clinical study results on scalp health

What to know first

High biotin levels can interfere with some lab tests
Requires 2 large capsules per daily serving
Results typically take 30 to 90 days to appear

Specifications

Flavor: Unflavored
Diet Type: Gluten Free
Item Form: Capsule
Brand Name: NUTRAHARMONY
Model Name: BC-02
Unit Count: 120 Count
Dosage Form: Capsule
Item Weight: 3.84 ounces
Manufacturer: Distributed by Nutra Harmony LLC
Model Number: BC-02
Container Type: Bottle
Number of Items: 1
Product Benefits: Nails, Hair & Skin Health Support
Item model number: BC-02
Material Features: GMO Free
Package Dimensions: 4.41 x 2.28 x 2.28 inches; 3.84 ounces
Allergen Information: Fish
Age Range Description: Adult
Supplement Formulation: Multi-Supplement
Primary Supplement Type: B Vitamins, Biotin, Collagen, Hyaluronic Acid, Keratin
Manufacturer Part Number: BC-02
Total Servings Per Container: 60

How to get the most out of it

Proper Timing

Take your two capsules with a meal that contains healthy fats. Vitamins A and E are fat-soluble, and food helps reduce the chance of stomach upset from the high biotin content.

Ownership tips

tip

Pair with Hydration

Because this supplement contains Hyaluronic Acid, drinking plenty of water throughout the day helps the compound retain moisture in your skin and joints more effectively.

care

Lab Test Awareness

Inform your doctor you are taking high-dose biotin before any blood tests. High levels of B7 can cause clinically significant false results in thyroid and cardiac troponin tests.

Frequently asked questions

How long does one bottle last?

Each bottle contains 120 capsules. Since the recommended serving size is two capsules daily, one bottle provides a full 60-day supply.

Will this work for color-treated or curly hair?

Yes, the supplement provides internal nutritional support that is beneficial for all hair types and textures by strengthening the keratin infrastructure from within.

Is this supplement vegan-friendly?

No, this product contains Collagen and Keratin, and the allergen information notes fish, meaning it is not suitable for vegans or vegetarians.

What makes the 25,000 mcg biotin dosage special?

This is a high-potency dose intended to rapidly address deficiencies. It is significantly higher than most standard multivitamins to provide intensive support for hair and nail growth.

Where can you buy the Biotin, Collagen, Hyaluronic Acid & Keratin?

Biotin, Collagen, Hyaluronic Acid & Keratin is sold through Amazon, and NUTRAHARMONY also lists it through its own site and major retail partners. The buy link on this page goes straight to the current Amazon listing, which is where stock and pricing update most often.

How much does the Biotin, Collagen, Hyaluronic Acid & Keratin cost?

The last price Ravvy recorded was $50. Retail pricing on nail care moves with promotions and stock, so treat that figure as a reference point and check the live listing before you buy.

How do you get the Biotin, Collagen, Hyaluronic Acid & Keratin for a cheaper price?

Three tactics work best: watch for holiday and seasonal sale events when nail care discounts run deepest, compare the open box or renewed listing against new stock, and check whether NUTRAHARMONY is running a coupon or bundle. Adding the product to your Ravvy wishlist keeps it handy so you can revisit the listing when prices drop.

Is the Biotin, Collagen, Hyaluronic Acid & Keratin in stock right now?

It was in stock at our last check. Availability on popular nail care can change within hours, so the live listing is the source of truth.

Is the Biotin, Collagen, Hyaluronic Acid & Keratin worth it?

Ravvy scores it 89.7 out of 100. The strongest argument for it is high potency 25,000 mcg Biotin per serving. The trade off to weigh is high biotin levels can interfere with some lab tests.

Who should buy the Biotin, Collagen, Hyaluronic Acid & Keratin?

It fits individuals struggling with brittle nails and thinning hair seeking a high-potency supplement If that does not describe your situation, compare it with the other options in Nail Care before committing.

What are the key specs of the Biotin, Collagen, Hyaluronic Acid & Keratin?

ASIN: B0DJBQW5FG. Flavor: Unflavored. Diet Type: Gluten Free. Item Form: Capsule.

What are good alternatives to the Biotin, Collagen, Hyaluronic Acid & Keratin?

Compare it against the other scored picks in Nail Care on Ravvy. We rank every option in that group by the same criteria, so you can see which model wins on value, quality, and owner sentiment before you decide.

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