Advanced Hair + Nail Care by Biosil — Ingredients, Evidence & Safety

Product Label

📄 Open Full PDF View on NIH DSLD →

📸

Have a supplement label? Find it here.

Upload a photo of any supplement label to search our database of 92,312 products.

Label Data

1 Capsule(s) Serving Size

180 Servings

Other Combinations Product Type

100% Evidence Coverage

Supplement Facts — Evidence Check

Biotin

65 mcg (217% DV)

✅ 2.2× RDA — within safe limits 📚 26 studies (Tier A: 0, B: 11)

RDA 0.03mg This product: 0.065mg

Choline

100 mg (18% DV)

✅ Within RDA (0.2× RDA of 550 mg) 📚 36 studies (Tier A: 1, B: 7)

RDA 550mg This product: 100mg UL 3500mg

Silicon

5 mg

📊 Market median: 108.0mg (8 products) 📚 9 studies (Tier A: 0, B: 4)

This product: 5mg

Other Ingredients

Microcrystalline Cellulose Water, Purified Hypromellose Carrot Concentrate

Label Claims — Verification

❓ Nutrient

❓ All Other

❓ Structure/Function

All Other (100% of products) Structure/Function (91% of products) Nutrient (57% of products)

Target Groups

Vegan Vegetarian Adult (18 - 50 Years) No Allergies Gluten Free Dairy Free

Product Information

📋 Directions for Use

Directions Take 1 capsule, 2 times daily.

⚠️ Warnings & Precautions

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

Keep out of the reach of children.

🧪 Formulation Notes

ch-OSA Original Complex

+ Growth + Strengthen + Thicken Added biotin takes your hair + nails to a new level. Biotin is an essential nutrient that supports healthy metabolism (vital for healthy hair and nails). ch-OSA complex helps link keratin fibers together for stronger hair and nails. Together they form a powerful combination for more & thicker hair, stronger nails, and healthy skin.

Clinically proven ch-OSA + Biotin

2 in 1 generates + protects your own collagen

Vegan Friendly Supplement This product is V Vegan Friendly

Capsule shell consists of hypromellose and carrot concentrate.

This product does not contain soy, dairy, egg, corn, wheat, gluten, fish/shellfish, nuts/tree nuts.

2 in 1 Generate + Protect Biosil's ch-OSA complex activates your natural ability to generate and protect your own collagen, elastin, and keratin. This improves and supports your hair, skin, nails. Biotin enhances the benefits of the ch-OSA complex - especially keratin production - for thick, lustorous hair & strong nails.

Gluten & Allergen Free GMO Free Soy Free Dairy Free

Vegan Friendly

Clinical Facts ch-OSA complex Clinically Proven Dosage 1 capsule, 2 times daily Clinically Proven for Skin Clinically Proven for Hair Clinically Proven for Nails ch-OSA complex has been tested in rigorous double-blind placebo controlled clinical trials for both efficacy and safety. The results are published in peer reviewed medical journals.

Additional Information

Learn More

V Vegan

Vegan Friendly

Store at 59 - 86 Degrees F (15 - 30 Degrees C). Protect from light and moisture.

Product Details

UPC / SKU 5 425010 390739

DSLD Entry Date 2025-07-24

Product Type Other Combinations

Form Capsule

Brand Biosil

DSLD ID 334674

Data Updated 2026-04-11

Research Evidence

31 Research Sources

53 Avg Quality Score

12 Meta Analysis

9 Systematic Review

5 Rct

2 Clinical Trial

1 Regulatory Source

1 Openfda Safety

B Pentasaccharides for the treatment of deep vein thrombosis

Meta Analysis The Cochrane database of systematic reviews 2017

PubMed DOI

B Quantitative comparison of the efficacy of clinical drug treatments for primary progressive multiple sclerosis

Meta Analysis Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia 2023

PubMed DOI

B Dietary interventions for multiple sclerosis-related outcomes

Meta Analysis The Cochrane database of systematic reviews 2020

PubMed DOI

B Interventions for infantile seborrhoeic dermatitis (including cradle cap)

Meta Analysis The Cochrane database of systematic reviews 2019

PubMed DOI

B Effect of varicocelectomy on sperm deoxyribonucleic acid fragmentation rates in infertile men with clinical varicocele: a systematic review and meta-analysis

Meta Analysis Fertility and sterility 2021

PubMed DOI

B Effect of feeding biotin on milk production and hoof health in lactating dairy cows: a quantitative assessment

Meta Analysis Journal of dairy science 2011

PubMed DOI

B Factitious Graves' Disease Due to Biotin Immunoassay Interference-A Case and Review of the Literature

Systematic Review The Journal of clinical endocrinology and metabolism 2016

PubMed DOI

B Effect of biotin on milk performance of dairy cattle: a meta-analysis

Meta Analysis Journal of dairy science 2011

PubMed DOI

B PROVIT: Supplementary Probiotic Treatment and Vitamin B7 in Depression-A Randomized Controlled Trial