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Sl8.0
Silica Research
Mostly mechanism / observationalHigh safety
9 peer-reviewed studies
What the evidence says
Mostly mechanism / observational
Most Silica studies are mechanism or observational rather than RCTs that measure a clinical effect — keep findings provisional.
Most evidence is from high-quality randomised trials published 2005–2024 with a typical study size of 50 participants.
Based on 9 studies · 6 RCTs · 345 total participants
Confidence
Moderate
By outcome
Skin healthImproved skin elasticity and collagen support within 8-12 weeks · 8-12 weeks
Mostly mechanism / observational6 studies
Bone healthSupports bone mineral density and skeletal strength · 8-12 weeks
Mostly mechanism / observational6 studies
Hair & nails
Too few graded studies2 studies
Safety profile
Too few graded studies1 study
Cognitive function
Too few graded studies1 study
Active research area
3 studies in the last 5 years
200520142024
1Systematic Reviewn=10 · very small study2024
Future research should measure multiple trace mineral levels in all water sources to evaluate the impact on cognitive function.
Wasick A et al. · International journal of environmental research and public health (2024)
The prevalence of dementia increases with nearly 10 million new cases each year, with Alzheimer's disease contributing to 60-70% of cases.
Aluminum exposure showed an increased risk of cognitive decline in four studies, with no association reported in the other studies.
Higher silica and pH levels were shown to be protective against a decline in cognitive function.
Our data demonstrate that compared with placebo, collagen peptide supplementation in combination with resistance training further improved body composition by increasing FFM, muscle strength and the loss in FM.
Zdzieblik D et al. · The British journal of nutrition (2015)
Isokinetic quadriceps strength (IQS) of the right leg was determined and sensory motor control (SMC) was investigated by a standardised one-leg stabilisation test.
Following the training programme, all the subjects showed significantly higher (P<0·01) levels for FFM, BM, IQS and SMC with significantly lower (P<0·01) levels for FM.
Our data demonstrate that compared with placebo, collagen peptide supplementation in combination with resistance training further improved body composition by increasing FFM, muscle strength and the loss in FM.