Supplement Label Index

Molybdenum Krebs Cycle Chelate vs. Molybdenum Citrate

Among 3,446 on-market molybdenum products with an identifiable primary form, 6.5% use Molybdenum Krebs Cycle Chelate (223 products) and 5.5% use Molybdenum Citrate (188).

Molybdenum Krebs Cycle ChelateMolybdenum Citrate
Quality tierUnratedUnrated
Molybdenum by weight——
Share of market6.5%5.5%
On-market products223188
Median declared dose50 elemental mcg
middle half: 34–50
25 elemental mcg
middle half: 12–50
Most common brandsDouglas Laboratories, NATURELO Premium Supplements, Genestra BrandsNatural Factors, vitafusion, Vega

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

Why Molybdenum Krebs Cycle Chelate is unrated

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

Why Molybdenum Citrate 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 molybdenum comparisons