Silicon (Orthosilicic Acid).
The forgotten mineral for strong bones and beauty
Reviewed March 2026
- Category
- Mineral
- Also filed under
- Bone healthCollagen supportHair and nails
What Silicon (Orthosilicic Acid) is, and what it does.
- Does it work
- Suits people building a slow connective tissue routine who are comfortable measuring progress in months. Thirteen records were retrieved, including controlled work on stabilised forms.
- How much to take
- Start with 5 to 10mg of silicon a day. 25mg appears as a research condition. The absorbable species is the small dissolved molecule, so the form matters as much as the number.
- Time to feel it
- Circulating silicon shifts within hours of a dose. Hair and nail changes need three to six months of daily intake to grow out and become visible.
- The first dose
- Easy on the stomach and gone through the kidneys the same day. Day one shows up on a urine measure, not as a sensation.
- With regular use
- Most effects take 2-8 weeks. Be patient.
- How well tolerated
- Generally well tolerated. Check with your doctor if on medications.
- How it feels
- Hair and nail improvements over 3-6 months. Bone benefits measured, not felt.
- The overlooked benefit
- Because silicon is cleared fast and not stored, a blood level only tells you about today. Hair and nail silicon are what researchers use as the longer-window read.
5 to 10mg a day is where Silicon (Orthosilicic Acid) works.
Source: Barel et al., 2005; ch-OSA is the bioavailable supplemental form
The proof, claim by claim.
These words describe the research, not the molecule's worth. Research strength is how much work stands behind one claim, and it is never a product score.
Silicon (Orthosilicic Acid) has emerging evidence. Based on 13+ studies.
- hair and nail strengthRandomised trial
- skin elasticity and surface conditionRandomised trial
- bone turnover markersRandomised trial
- bone mineral density association with dietary siliconCohort study
- silicon absorption as orthosilicic acidRandomised trial
Questions people ask about Silicon (Orthosilicic Acid).
- When should I take it?
- Timing matters less than consistency. Pick a time that works for you and take it daily.
- Can I take it with other supplements?
- Usually fine. The main thing to watch is not doubling up on the same ingredient from different products. If you're on prescription meds, check with your pharmacist first.
- Any side effects to watch for?
- Most people tolerate it well at recommended doses. GI upset is the most common complaint with any supplement. Start with a lower dose and work up. If something feels off, stop and reassess.
- Who benefits most from this?
- People who've already covered the basics (diet, sleep, exercise) and want to fine-tune. It's not essential, but could be worthwhile for the right person.
No pairing data for Silicon (Orthosilicic Acid) yet.
Nothing on file for Silicon (Orthosilicic Acid), either from a combination trial or from settled biochemistry. When either lands, it appears here with its source.
Stitching two separate single-ingredient studies into a pairing is the one thing this engine will not do. When a study of the combination itself holds up at source, it lands here with its citation.
No invented synergy. Where actives were studied on their own rather than together, the record shows each on its own evidence, never a combined effect no trial measured.
Research strength. Research strength says how much work stands behind the combination. It is never a product score.
Independent record. Every finding is cited to a named trial, dated, and never written by the brand.
21 pairings are live across the library today. Checked 9 August 2026.
Nothing specific on file for Silicon (Orthosilicic Acid). Match the label to the daily amount above, and tell your doctor what you take.
Not medical advice. Show the label to your pharmacist.Getting Silicon (Orthosilicic Acid) from food.
The whole-food sources on file. A supplement closes the gap, it does not replace dinner.
A gram-for-gram figure (how much of each you would eat to match a dose) will appear here once it is sourced and reviewed. This page will not print a number it cannot cite.
FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This information is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. Consult your healthcare provider before starting any supplement regimen.