Supplement Label Index

Boron Amino Acid Chelate vs. Boron Glycinate

Among 2,843 on-market boron products with an identifiable primary form, 27.9% use Boron Amino Acid Chelate (792 products) and 21.1% use Boron Glycinate (601).

Boron Amino Acid ChelateBoron Glycinate
Quality tierUnratedUnrated
Boron by weight——
Share of market27.9%21.1%
On-market products792601
Median declared dose1.5 elemental mg
middle half: 0.5–2
1.5 elemental mg
middle half: 1–3
Most common brandsSource Naturals, Life Extension, GNC Mega MenPure Encapsulations, Life Extension, ProCaps Laboratories

Doses are declared per serving in elemental mg. “By weight” is the share of the ingredient that is the nutrient itself (e.g. elemental magnesium in a magnesium salt).

Why Boron Amino Acid Chelate is unrated

No head-to-head human bioavailability or efficacy comparison of this form was located in PubMed searches.

Why Boron Glycinate is unrated

No head-to-head human bioavailability or efficacy comparison of this form was located in PubMed searches.

Tiers summarize published comparative bioavailability or outcome evidence for each form (see methodology). This page describes the market; it is not a recommendation to take either form. Talk to a clinician about what's right for you.

Other boron comparisons