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Guayaki Organic Unsweetened Traditional Tereré
Photo: Open Food Facts contributors (CC BY-SA)

Iced teas

Guayaki Organic Unsweetened Traditional Tereré

16 fl oz/1 PT/473 mL

Excellent out of 100 Medium confidence
  • Ultra-processed
  • Contains caffeine
  • Certified organic
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Why it scores 84

Guayaki Organic Unsweetened Traditional Tereré scores 84 out of 100 (Excellent) under GoodSwap’s published rules. What moved the score most:

  1. Ultra-processed (NOVA 4): Classified NOVA 4: made with industrial ingredients and additives. Strong
  2. Certified organic: Carries a certified-organic label. Info
  3. Caffeine: The FDA cites 400 mg a day as generally safe for most adults; EFSA advises no more than 200 mg a day in pregnancy. Strong

Every line of the math is on The Receipt below, with its evidence tier and sources.

Better bottled tea

The same kind of product, at least 10 points higher, sold in the US. Never paid placements.

The Receipt

Organic Unsweetened Traditional Tereré

START100

Ingredients

  • Caffeine
    Strong The FDA cites 400 mg a day as generally safe for most adults; EFSA advises no more than 200 mg a day in pregnancy. [1][2]
subtotal−2.5

Processing

  • Ultra-processed (NOVA 4)
    Strong Classified NOVA 4: made with industrial ingredients and additives. [3]
subtotal−18

Nutrition per 100 ml

  • Energy 2 kcal / 100 ml
    Info Energy-dense for its volume. [4]
subtotal−1

Bonuses

  • Certified organic
    Info Carries a certified-organic label. [5][6]
subtotal+5
TOTAL 84Excellent

100 − 16.5 = 83.5 → 84

GTIN 00632432911502 · 2026-09-07

score v1.3.0 · kb 2026.10.11

Medium confidence

Same product, same score. Every time.

Nutrition per 100 ml

Energy2 kcal
Fat0 g
Carbohydrates0.4 g
Sugars0 g
Added sugars0 g
Protein0 g
Salt0 g

Serving: 1 bottle (473 ml)

Ingredients

High Moderate Not recognized Tap an ingredient for its evidence and rules.
Label text, as published

AN INFUSION OF: (FILTERED WATER, ORGANIC YERBA MATE+), ORGANIC YERBA MATE EXTRACT+, L-MALIC ACID, ORGANIC CAFFEINE.

Allergens and diets

  • Vegan
  • Vegetarian
  • Gluten-free
  • Palm-oil-free

Always check the package: recipes change.

Healthiest iced teas in the US

More from Guayaki

Sources

  1. Spilling the Beans: How Much Caffeine is Too Much?

    U.S. Food and Drug Administration · Regulator

    “For most adults, the FDA has cited 400 milligrams* a day — that's about two to three 12-fluid-ounce cups of coffee — as an amount not generally associated with negative effects.”

    fda.gov

  2. Caffeine (EFSA topic page; Scientific Opinion on the safety of caffeine, 2015)

    European Food Safety Authority · May 27, 2015 · Agency assessment

    “Caffeine intakes from all sources up to 200mg per day consumed throughout the day do not raise safety concerns for the foetus.”

    efsa.europa.eu

  3. Ultra-processed foods: what they are and how to identify them

    Public Health Nutrition · April 2019 · Peer-reviewed

    doi.org

  4. Dietary Guidelines for Americans, 2025–2030

    U.S. Department of Health and Human Services and U.S. Department of Agriculture · January 2026 · Regulator

    “Limit foods and beverages that include artificial flavors, petroleum-based dyes, artificial preservatives, and low-calorie non-nutritive sweeteners.”

    cdn.realfood.gov

  5. Regulation (EU) 2018/848 of 30 May 2018 on organic production and labelling of organic products

    European Union (Official Journal) · May 30, 2018 · Law

    eur-lex.europa.eu

  6. 7 CFR 205.102 Use of the term "organic" (National Organic Program)

    Electronic Code of Federal Regulations (eCFR), U.S. Office of the Federal Register · Feb 17, 2010 · Law

    “Any agricultural product that is sold, labeled, or represented as “100 percent organic,” “organic,” or “made with organic (specified ingredients or food group(s))” must be: (a) Produced in accordance with the requirements specified in § 205.101 or §§ 205.202 through 205.207”

    ecfr.gov

  7. Ultra-processed food exposure and adverse health outcomes: umbrella review of epidemiological meta-analyses

    BMJ · Feb 28, 2024 · Peer-reviewed

    “Greater exposure to ultra-processed food was associated with a higher risk of adverse health outcomes, especially cardiometabolic, common mental disorder, and mortality outcomes.”

    doi.org

  8. Ultra-Processed Diets Cause Excess Calorie Intake and Weight Gain: An Inpatient Randomized Controlled Trial of Ad Libitum Food Intake

    Cell Metabolism · July 2019 · Peer-reviewed

    doi.org

  9. Regulation (EU) No 1169/2011, Annex III point 4.1 (beverages with high caffeine content)

    European Union (Official Journal) · Oct 25, 2011 · Law

    “‘High caffeine content. Not recommended for children or pregnant or breast-feeding women’”

    eur-lex.europa.eu