Keratin (Solubilized)
Beauty
Also known as: Cynatine HNS
C
Grade C💊 500mg daily🎯 3 primary uses🔗 3 synergies⚠️ Review warnings
Levels upVitality+50 pts
Overview
Hair and nail protein in absorbable form. Provides building blocks for keratin structures.
Primary Uses
Hair strengthNail strengthKeratin support
Frequently Asked About Keratin (Solubilized)
How much Keratin (Solubilized) should I take?
The typical effective range is 500mg daily. Individual needs vary based on age, body weight, diet, and goals — start at the lower end and adjust based on response. Always consult a healthcare provider before starting a new supplement.
When is the best time to take Keratin (Solubilized)?
Any time. Consistency matters more than perfect timing — pick a daily anchor (e.g. with breakfast or before bed) and stick with it.
Should I take Keratin (Solubilized) with food?
Optional.
Does Keratin (Solubilized) interact with medications?
Yes — known interactions include None significant. If you take any prescription medication, talk to your doctor or pharmacist before starting Keratin (Solubilized).
What does Keratin (Solubilized) pair well with?
Keratin (Solubilized) stacks well with Biotin, Collagen, and Silica — these combinations either improve absorption or work synergistically toward common goals.
Who should not take Keratin (Solubilized)?
Keratin (Solubilized) should be avoided or used with caution by people with None. Pregnant or breastfeeding women should consult a healthcare provider before use.
What are the side effects of Keratin (Solubilized)?
Most people tolerate Keratin (Solubilized) well. The most commonly reported side effects are Rare. Side effects are usually dose-dependent — lowering the dose often resolves them.
Dosage
Typical range
500mg daily
Timing
Any time
With food
Optional
Duration
3+ months for effects
Special Populations
Weak hair/nails
Research & Studies
Search the literature now
We haven’t curated landmark studies for Keratin (Solubilized)yet — one-click into the primary literature here. PubMed (RCTs) is usually the highest-signal starting point.
Search Keratin (Solubilized) research
Mechanism of Action
- • Provides keratin building blocks
- • May strengthen hair/nails
- • Cysteine-rich protein
Evidence Quality
Evidence Grade C
Emerging, less evidence than biotin
Safety & Contraindications
Serious Warnings
- • None
Contraindications
- • None
Common Side Effects
- • Rare
Pregnancy & Breastfeeding
Insufficient data
Liver & Kidney Notes
Safe
Interactions
💊 Medications
- • None significant
🧪 Supplements
- • Works with biotin
🍽️ Food & Alcohol
- • No interactions
Stacking & Synergies
Pairs Well With
Avoid Combining With
None
Best Goal Synergies
Hair strengthNail strength
Buying Guide
What to Look For
- • Solubilized form (Cynatine)
Standardization Markers
Keratin content
Adulteration risk
Low
Practical Notes
- • Solubilized form absorbs better
- • Less researched than biotin
Tags
beautyhairnailsprotein
More in Beauty
Other ingredients in the Beauty category.
Biotin
A water-soluble B vitamin essential for hair, skin, and nail health and serves as a coenzyme in amino acid and glucose metabolism. D-biotin is the naturally active form.
Horsetail Extract
Natural source of silica for hair, skin, and nail strength. Traditional beauty remedy.
Last reviewed: June 2026 by the Formulate Research Team. Sources cited above; methodology and scoring criteria published here.
Cite this page
Formulate Research Team. (2026, June). Keratin (Solubilized) — Evidence-Based Supplement Guide. Formulate Supplement Encyclopedia. https://app.formulate-health.app/learning/supplements/keratin
Educational content based on published research and our scoring methodology. Not medical advice — consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.