Supplement Scholar
Mineral

Chromium Picolinate

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Chromium Picolinate. Trivalent chromium for glucose handling.

How it works. Potentiates insulin via chromodulin.

What the research supports. 1 graded claims. Strongest: Modest HbA1c reduction (moderate).

How much to take. Typical dose: 200–1000 mcg.

Side effects and interactions. 1 medication interaction listed. No serious side effects listed at normal doses.

Stacking. Pairs well with A high-quality multivitamin, Omega-3 (EPA/DHA).

Common forms. Available as Chelated form (glycinate, bisglycinate, citrate, malate), Inorganic salt (oxide, sulfate, chloride), Liquid ionic solution, Topical or transdermal preparation.

Key studies. 8 studies cited. The strongest are listed with links to PubMed.

Community. Experiences from people who have tried Chromium Picolinate. Anecdotes are not medical advice.

Chromium Picolinate. Trivalent chromium for glucose handling.

Molecular structureC18H12CrN3O6 · 418.3 g/mol

What it is

Trivalent chromium for glucose handling.

Food sources

Whole foods (leafy greens, legumes, nuts, seeds, seafood, animal proteins)Fortified foods such as cereals, breads, plant milks, and table saltMineral supplements as chelates, citrates, glycinates, or inorganic salts

How it works

Potentiates insulin via chromodulin.

Pathways

  • Potentiates insulin via chromodulin

Effects

  • +Modest HbA1c reduction supports

What the research supports

Modest HbA1c reductionmoderate

Strong: consistent results across large trials or meta-analyses. Moderate: several trials, mostly positive. Limited: small or mixed studies. Preclinical: animal or cell research only.

Typical dose
200–1000 mcg
TimingConsistent daily timing recommended; split larger doses if GI tolerance is a concern.
With foodEither with or without food.
Best formMost evidence is based on the chelated form (glycinate, bisglycinate, citrate, malate) form.
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Side effects & interactions

Common side effects

  • GI upset

Medication interactions

Prescription medications (general)minor

Always disclose Chromium Picolinate use to your prescriber — additive, antagonistic, or pharmacokinetic interactions are possible.

Check any supplement–medication combination with your pharmacist before starting.

Combines with

Pairs well

  • A high-quality multivitaminCovers micronutrient cofactors that support most supplement pathways.
  • Omega-3 (EPA/DHA)Foundational anti-inflammatory support that complements most regimens.

Common forms

  • Chelated form (glycinate, bisglycinate, citrate, malate)
  • Inorganic salt (oxide, sulfate, chloride)
  • Liquid ionic solution
  • Topical or transdermal preparation

Key studies

8 studies cited in total.

Chromium meta-analysis ↗
Meta-analysis · J Clin Pharm Ther · 2014

Reduced fasting glucose and HbA1c.

PubMed: Chromium Picolinate — Modest HbA1c reduction ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Chromium Picolinate and "Modest HbA1c reduction". Filter by RCT, meta-analysis, or year on the results page.

PubMed: Chromium Picolinate — randomized controlled trial ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Chromium Picolinate and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

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