Silicon

Mineral important for bone, skin, hair, and nail health.

Also known as: Silica • Orthosilicic Acid

other Names
Silica, Orthosilicic Acid
primary Benefits
Bone health, skin elasticity, hair and nail strength
common Dose
10-25 mg/day
best Form
Choline-stabilized orthosilicic acid (ch-OSA)
timing
Any time
safety Rating
Generally Safe

Overview

Silicon, often referred to as silica in its oxide form, is a trace mineral that plays a crucial role in the formation and maintenance of connective tissues. It is vital for collagen synthesis, which is essential for healthy skin, hair, nails, and bones. While not officially classified as an essential nutrient, a growing body of evidence supports its importance for health.

Key Benefits

Bone Health

Contributes to bone matrix formation and may improve bone mineral density.

Skin, Hair, and Nails

Essential for collagen production, which improves skin elasticity and strengthens hair and nails.

Connective Tissue Support

Supports the health of joints, ligaments, and tendons.

Dosage & How to Take

10-25 mg of elemental silicon per day.

PurposeDoseNotes
Hair, skin, and nails10-20 mg/dayLook for a bioavailable form.
Bone support15-25 mg/dayOften combined with calcium and vitamin D.

Best Time to Take

Can be taken any time of day

With or Without Food

Not necessary

Forms & Bioavailability

FormAbsorptionBest ForNotes
Choline-Stabilized Orthosilicic Acid (ch-OSA)HighSkin, hair, nails, and bonesClinically studied form.
Horsetail ExtractLowTraditional useSilicon content can vary.
Bamboo ExtractMediumGeneral silica sourceNaturally high in silica.

Side Effects & Safety

Common

  • Generally well-tolerated

Rare

  • Kidney stones with very high doses of certain forms

Contraindications

  • Severe kidney disease

Interactions

Scientific Research

2005Archives of Dermatological Research

The effect of oral intake of choline-stabilized orthosilicic acid on skin, nails and hair in women with photodamaged skin

Supplementation with ch-OSA for 20 weeks significantly improved skin texture, and hair and nail brittleness.

Food Sources

Bananas
Green beans
Whole grains
Beer

Frequently Asked Questions

Medical Disclaimer

This content is for educational and informational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before starting any supplement regimen, especially if you have pre-existing health conditions or are taking medications. The statements on this page have not been evaluated by the Food and Drug Administration.