Boron Citrate
Boron Citrate is a unrated form of Boron, used in 886 on-market products .
886
on-market products
unrated
quality tier
n/a
elemental fraction
Basis: No verified stoichiometry for commercial boron citrate (declared amounts of 100-200mg on labels suggest salt weight, but 1-5mg rows also exist)
Why this tier: No head-to-head human bioavailability or efficacy comparison of this form was located in PubMed searches.