Clinical safety of organic silicon
Is it safe to take organic silicon? In healthy adults, yes. These are the specific precautions you should know.
23 years of real-world use, zero relevant adverse effects and EFSA approval as a Novel Food. Organic silicon is one of the safest supplements on the natural market — and even so, there are four situations in which it is worth consulting first. This page explains them clearly, without alarmism.
EU Regulation 2017/2470
Boqué 2021 CTNS-Eurecat
published on the active ingredient
OECD GLP
pharmacovigilance
Who can take it, and who should consult first.
In healthy adults you can start taking it with no further steps. But there are four situations in which it is worth consulting first with your healthcare professional. These are not absolute contraindications — they are standard precautions for any responsible supplementation.
General precautions, not absolute contraindications · 0 adverse effects reported in 23 years
Each situation, a different reason.
Each situation has its own reason — and pregnancy is not the same as severe kidney failure. These are the specific recommendations depending on your case.
No documented interactions, with common sense.
Good news: zero documented drug interactions after 23 years. Even so, good practice with any supplement is to separate intake by at least 1 hour from any prescribed medication. It is common sense, not danger.
Five myths, five data-based answers.
A lot of things circulate online. These are the five we get asked about most — with answers based on published clinical data, not opinions.
Four best practices for responsible supplementation.
These four best practices are the most responsible way to integrate organic silicon into your daily routine.
As with any supplement — if your body tells you something unexpected, listen. Stop taking it and consult. Organic silicon should not cause significant discomfort in normal use; this has not been observed in 23 years.
Organic silicon Silicium G7®, in two formats for your routine.
Same active ingredient, same quality, same original formula — two formats designed for different uses and homes.
Same active ingredient · same formula · different formats
More than 25 years of trust.
Real reviews verified by Trusted Shops · the European trust framework for online commerce.
What people ask us most.
Six common questions with clinical answer and source.
01Does organic silicon have contraindications?+
In healthy adults, no — it has no absolute contraindications. There are four situations in which it is worth consulting a healthcare professional first: pregnancy, breastfeeding, severe kidney failure, and active medical treatment. But these are standard precautions, not red flags.
02Can I take organic silicon during pregnancy?+
There are no specific pregnancy studies, so the responsible answer is: consult your gynecologist or midwife before starting. This is not a “no” — it is a “better with follow-up,” as with any supplement during pregnancy.
03Does organic silicon interact with medications?+
Zero documented interactions in 23 years. As a general clinical practice, separate silicon by at least 1 hour from any prescribed medication. In oncology, anticoagulants, or immunosuppressants, it is better to consult the prescriber — for best practice, not because of a known risk.
04Does silicon accumulate in the body?+
No. What your body does not use, it eliminates in urine. It does not accumulate in any organ — this explains the safety profile built up over 23 years.
05Can I take it indefinitely?+
Yes. In healthy adults you can take it continuously without cycling. OECD GLP studies show a NOAEL of 2,000 mg/kg/day — that is thousands of times the recommended dose, with no observed effects.
06When should I stop taking it?+
If you notice any unexpected reaction — skin, digestive, systemic — stop and consult. Also if you are prescribed a new treatment, to assess compatibility. In normal use, organic silicon should not cause significant discomfort.
Organic silicon, from six angles.
Each page answers a different question about organic silicon. If you are interested in how to take it properly (kinetics, synergies, dose), see the full guide.
The team that supports this page.
The content is signed by the person who writes it and the person who reviews it.
Juan Carlos Hierro
Director · Silicium Laboratories Europe
Responsible for the industrial transfer of Dr. Le Ribault's original formula since 2010. More than 23 years working with the active ingredient Silicium G7®.
Dr. Maria del Mar Sabaté Martínez
PhD in Biochemistry · Universitat Rovira i Virgili
Academic review of the active ingredient's kinetics, usage guidelines, and clinical references. Verification of the claims against the published scientific literature.
Organic silicon that 23 years back up.
Zero relevant adverse effects reported, EFSA approval as a Novel Food, and 70+ published studies on the active ingredient. Dr. Le Ribault's original formula, in liquid and capsule form.
See the 3 regulatory and clinical sourcesFree access
- EFSA (2016). Scientific Opinion · safety of organic silicon as a Novel Food (EU Regulation 2017/2470). NOAEL 2,000 mg/kg/day. DOI
- EU Regulation 2017/2470. European authorization as a Novel Food for the active ingredient Silicium G7® in supplements.
- OECD GLP (Good Laboratory Practice) — safety toxicology studies. NOAEL confirmed at doses thousands of times higher than the recommended dose, with no observed effects.
Medical notice. Informational content. Does not replace consultation with a healthcare professional. In pregnancy, breastfeeding, chronic conditions, or active medical treatment, consult before starting supplementation. Scientific review: Dr. Maria del Mar Sabaté Martínez (Universitat Rovira i Virgili, PhD in Biochemistry).