Herb Profile

Yerba Mate

Ilex paraguariensis

Yerba Mate (Ilex paraguariensis) carries a Grade C rating — limited evidence.

Last reviewed: Report a correctionProfile-wide ·C Limited

Use extra caution — Contains caffeine; excess intake may worsen insomnia, anxiety, palpitations, reflux, or blood pressure. Details

Evidence
Limited Evidence
Typical onset
Varies by prep
Safety rating
High caution
Best for
Anti Inflammatory, Antioxidant, Energy, Stress resilience
Avoid / review if
Uncontrolled Hypertension, Arrhythmia, Severe Anxiety/Insomnia
Yerba Mate monograph visual
The Hippie Scientist

At a glance

From this profile's structured data
Evidence
Grade C
Safety
Contains caffeine; excess intake may worsen insomnia, anxiety, palpitations, reflux, or blood pressure.
Profile context
anti-inflammatory, antioxidant, energy
Next steps

Continue reading

Safety

Safety & Cautions

Contains caffeine; excess intake may worsen insomnia, anxiety, palpitations, reflux, or blood pressure. Avoid very hot maté consumption patterns and stimulant stacking.

High caution

Caution level: High. Multiple caution categories apply, or the record uses avoid/contraindication language.

  • Stimulant-Like ProfileStimulant-like or activating caution language is present.
  • Pregnancy/Breastfeeding CautionPregnancy or breastfeeding caution language is present.
Detailed safety fields

Pregnancy, breastfeeding, and contraindications

  • Uncontrolled Hypertension
  • Arrhythmia
  • Severe Anxiety/Insomnia
  • Pregnancy/Breastfeeding Caution
  • And Stimulant Sensitivity.
  • Additive Effects With Stimulants
  • Caffeine
  • Theophylline
  • Decongestants
  • And Stimulant Medications

Safety classifications

  • Stimulant-Like Profile: Stimulant-like or activating caution language is present.
  • Pregnancy/Breastfeeding Caution: Pregnancy or breastfeeding caution language is present.

Full safety note

  • Contains caffeine; excess intake may worsen insomnia, anxiety, palpitations, reflux, or blood pressure. Avoid very hot maté consumption patterns and stimulant stacking.

Safety labels

  • Stimulant-Like Profile
  • Pregnancy/Breastfeeding Caution

Evidence-based safety

Caution when combined

Severity and certainty are shown separately. A high-priority caution can still be theoretical: these pairings are screened from shared contraindication mechanisms and are not automatically documented clinical interactions. Provenance identifies the source fields that produced each flag; it does not upgrade the certainty of the pairwise claim.

Moderate Caution

81 flagged pairings

Blood-pressure effects

Representative pairings are shown below. Large mechanism groups are intentionally summarized to keep profiles focused and crawl-efficient.

Blood-pressure effectsCertainty: Theoretical

Data provenance recorded for 81 of 81 pairings in this mechanism group.

+69 more pairings share this mechanism. Use the Safety Checker to review a specific combination.

Evidence

Evidence Summary

Evidence lens

Read as directional context, not settled clinical proof.

LimitedLimited Evidence

Human clinical evidence: Not the primary signal

Mechanistic / preclinical: Mechanism mapped — Inflammatory Signaling Modulation · Oxidative Stress Modulation · Metabolic Regulation

Research maturity: Theoretical / mechanistic research — Mechanistic or unresolved evidence is kept separate from established human outcomes.

Safety boundary: Safety note available — Contains caffeine; excess intake may worsen insomnia, anxiety, palpitations, reflux, or blood pressure.

How evidence grades work

Each grade reflects the strength and consistency of published human evidence — not marketing claims. Grades are based on study count, design quality, effect size, consistency, and recency.

Strong
Multiple RCTs, consistent direction, adequate effect size
Moderate
Some RCTs or consistent observational data in humans
Preliminary / Mixed
Animal or in-vitro only, or conflicting human data
Traditional / Theoretical
Traditional use only; no controlled human trials

Dosing & Timing

No standardized dose
Preparation specific; use standardized product label for Prefer moderate temperature tea/extracts with disclosed caffeine content and require source backed dosage review before therapeutic claims.
How Yerba Mate works

Simplified mechanism pathway based on preclinical and pharmacological evidence. Does not confirm clinical efficacy.

Mechanism Pathway — How Yerba Mate Works

How Yerba Mate WorksYerba Mate acts on biological target pathways via anti inflammatory, leading to anti inflammatory.Yerba MateBiological TargetBiological pathwayAnti InflammatoryAnti InflammatoryObservable outcomeAntioxidantParallel pathway
CompoundTarget / ReceptorMechanismEffect / Outcome
Mechanisms & biological pathways

Preclinical pathways. Proposed mechanisms from in vitro and animal research; these do not confirm clinical outcomes in humans.

  • Inflammatory Signaling Modulation
  • Oxidative Stress Modulation
  • Metabolic Regulation
  • Vascular Function Support
  • AMPK Signaling
  • Lipid Metabolism Support

Active Compounds

Key constituents studied in Yerba Mate, with full pharmacology and safety profiles.

Compare related active botanicals

Explore botanicals with similar chemistry, effects, or safety considerations in the Botanical Activity Atlas.

Guides that use Yerba Mate

Compare & Sourcing

Compare side-by-side tradeoffs or verify active marker guidelines.

Safety first · Harm reduction

This information is educational and not medical advice. Start low, avoid risky combinations, and consult a licensed clinician before making health decisions—especially if you use medications, have diagnosed conditions, or are pregnant/breastfeeding.

Learn how we evaluate confidence, safety, and intensity on the methodology page.

Editorial Review

Checked against primary sources, cited evidence, and contraindication language before publication. Evidence claims, safety language, and affiliate modules are reviewed independently. Not personal medical advice.

Editorial Standards →

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Botanical profile context

How to interpret Yerba Mate

Yerba Mate herb profile with evidence context, key research topics, source notes, safety context, and references presented in an evidence-first format. Use this herb profile as a starting point for evidence review, not as a recommendation to start a new supplement. Botanical products can vary by plant part, extract ratio, standardization, dose, and contaminant testing, so two labels with the same common name may not behave the same way.

When reviewing Yerba Mate, compare the traditional-use context against the human evidence, mechanism notes, and safety cautions. Pay special attention to pregnancy, breastfeeding, liver or kidney disease, blood-pressure effects, sedation, stimulation, anticoagulant use, antidepressants, and any prescription medication overlap.

For product decisions, prefer transparent labels, named extracts, clear serving sizes, and third-party quality testing. Avoid treating a long list of possible mechanisms as proof that an herb will solve a specific condition.