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Herb

Cinnamon Cassia

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Cinnamon Cassia. Cinnamomum cassia for glucose control.

How it works. MHCP enhances insulin receptor autophosphorylation.

What the research supports. 1 graded claims. Strongest: Lowers fasting glucose (moderate).

How much to take. Typical dose: 1–6 g daily.

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 Standardized extract capsule, Liquid tincture (alcohol or glycerin), Powdered whole herb, Traditional decoction or tea.

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

Community. Experiences from people who have tried Cinnamon Cassia. Anecdotes are not medical advice.

Cinnamon Cassia. Cinnamomum cassia for glucose control.

Key compound: cinnamaldehydeC9H8O · 132.16 g/mol

What it is

Cinnamomum cassia for glucose control.

Food sources

Whole dried plant material (root, leaf, flower, or aerial parts depending on the species)Standardized hydroethanolic or aqueous extract (capsule, tincture, or tea)Powdered traditional preparation used in Ayurvedic, TCM, or Western herbal practice

How it works

MHCP enhances insulin receptor autophosphorylation.

Pathways

  • MHCP enhances insulin receptor autophosphorylation

Effects

  • ↓fasting glucose decreases

What the research supports

Lowers fasting glucosemoderate

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
1–6 g daily
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 standardized extract capsule form.
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Side effects & interactions

Common side effects

  • Coumarin liver toxicity at high doses

Medication interactions

Prescription medications (general)minor

Always disclose Cinnamon Cassia 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

  • Standardized extract capsule
  • Liquid tincture (alcohol or glycerin)
  • Powdered whole herb
  • Traditional decoction or tea

Key studies

8 studies cited in total.

Cinnamon meta-analysis ↗
Meta-analysis · Ann Fam Med · 2013

Reduced fasting glucose by 24 mg/dL.

PubMed: Cinnamon Cassia — Lowers fasting glucose ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Cinnamon Cassia and "Lowers fasting glucose". Filter by RCT, meta-analysis, or year on the results page.

PubMed: Cinnamon Cassia — randomized controlled trial ↗
Systematic review · PubMed (NLM) · 2026

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

Discussion

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