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Yerba Mate

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Yerba Mate. South American caffeine-containing tea with saponin and chlorogenic acid content.

How it works. Caffeine + theobromine + chlorogenic acids; mild lipolytic effects.

What the research supports. 1 graded claims. Strongest: Mild weight loss (limited).

How much to take. Typical dose: 1–2 g leaf brewed.

Side effects and interactions. 1 medication interaction listed. Serious: Possible esophageal cancer risk with very hot drinking (>65°C).

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

Forms. 2 forms. Pick one to open its profile.

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

Community. Experiences from people who have tried Yerba Mate. Anecdotes are not medical advice.

Yerba Mate. South American caffeine-containing tea with saponin and chlorogenic acid content.

Key compound: chlorogenic acidC16H18O9 · 354.31 g/mol

What it is

South American caffeine-containing tea with saponin and chlorogenic acid content.

Also called

Ilex paraguariensis

Food sources

Ilex paraguariensis

Goals

Energy ProductionFat Loss

How it works

Caffeine + theobromine + chlorogenic acids; mild lipolytic effects.

Pathways

  • Adenosine antagonism
  • Lipolysis

Effects

  • ↑Energy expenditure increases
  • ↓Appetite decreases

What the research supports

Mild weight losslimited

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
1–2 g leaf brewed
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 loose leaf form.
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Side effects & interactions

Common side effects

  • Caffeine effects

Serious

  • Possible esophageal cancer risk with very hot drinking (>65°C)

Medication interactions

MAOIsmoderate

Tyramine.

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.

Key studies

8 studies cited in total.

PubMed: Yerba Mate — Mild weight loss ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Yerba Mate and "Mild weight loss". Filter by RCT, meta-analysis, or year on the results page.

PubMed: Yerba Mate — randomized controlled trial ↗
Systematic review · PubMed (NLM) · 2026

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

PubMed: Yerba Mate — meta-analysis ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Yerba Mate and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.

Discussion

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