NutriStack
Boron and Silicon, a synergy.
Both silicon and boron are ultratrace elements repeatedly linked to bone and connective tissue integrity, and they are commonly co-formulated for skeletal support. Mechanistically they are additive: silicon contributes to collagen cross-linking and matrix formation, whereas boron improves the metabolic handling of calcium, magnesium, and Vitamin D that supports mineralization. The combination is mechanistically coherent and biologically plausible, though direct head-to-head human trials of the specific pair are limited and most evidence is observational or based on each element individually.
One pair, every claim cited. The two substances, the type, the mechanism, the recommendation, and the primary literature.
Same shape as the other 1,729 pairs in the public database.
From the interaction database
What the row says.
Every entry follows the same shape: what is happening, the mechanism, the recommendation, and the primary literature.
At a glance
- Pair type
- Synergy
- Evidence (highest tier)
- Emerging
- Source citations
- 3 sources
- Stack Score effect
- +2 to your Stack Score (per scored synergy row).
- Scope
- Supplement × Supplement
- Last verified
- May 30, 2026
Synergy · Emerging evidence
Synergy
What is happening. Both silicon and boron are ultratrace elements repeatedly linked to bone and connective tissue integrity, and they are commonly co-formulated for skeletal support. Mechanistically they are additive: silicon contributes to collagen cross-linking and matrix formation, whereas boron improves the metabolic handling of calcium, magnesium, and Vitamin D that supports mineralization. The combination is mechanistically coherent and biologically plausible, though direct head-to-head human trials of the specific pair are limited and most evidence is observational or based on each element individually.
Mechanism. Silicon (orthosilicic acid) supports the collagen matrix and connective tissue framework of bone, while boron modulates mineral metabolism by reducing urinary calcium and magnesium loss, increasing activation of Vitamin D, and influencing steroid hormone status. The two trace elements act on parallel, non-overlapping arms of bone and connective tissue maintenance, so their effects are complementary rather than competing.
Recommendation. Can be taken together for bone, joint, and connective tissue support. Typical doses: silicon around 5 to 10 mg elemental per day and boron around 3 mg per day (generally keeping boron at or below 3 to 6 mg per day for routine use). No timing separation is needed; both are well tolerated with food. Do not exceed the boron tolerable upper limit of about 20 mg per day.
Minimum separation. None required
Sources (3)
- Nielsen, Update on the possible nutritional importance of silicon, Journal of Trace Elements in Medicine and Biology, 2014
- Pizzorno, Nothing boring about boron, Integrative Medicine: A Clinician's Journal, 2015
- Rondanelli et al., Silicon: a neglected micronutrient essential for bone health, Experimental Biology and Medicine, 2021
Stack Score
How this pair moves the number.
Effect on the composite score
If both Boron and Silicon are in the same stack, this pair applies +2 to your Stack Score (per scored synergy row).
The full algorithm, the clamping rules, and four worked stacks are documented at /methodology/stack-score.
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