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Reign Storm Clean Energy Tropical
Photo: Open Food Facts contributors (CC BY-SA)

Energy drinks

Reign Storm Clean Energy Tropical

12 fl oz (355 mL)

Okay out of 100 High confidence
  • Ultra-processed
  • Contains non-nutritive sweeteners
  • Contains sugar alcohols
  • Contains caffeine
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Why it scores 55

Reign Storm Clean Energy Tropical scores 55 out of 100 (Okay) 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. Erythritol: A 2023 study linked higher blood erythritol to cardiovascular events and found it increased clotting activity; long-term safety studies are warranted. Strong
  3. Sucralose: In a 2022 randomized study, sucralose and saccharin altered the gut microbiome and impaired glucose responses in some people; a 2023 lab study raised questions about its by-product sucralose-6-acetate. Strong

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

Better energy drinks

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

The Receipt

Reign Storm Clean Energy Tropical

START100

Ingredients

  • Erythritol
    Strong A 2023 study linked higher blood erythritol to cardiovascular events and found it increased clotting activity; long-term safety studies are warranted. [1][2]
  • Sucralose
    Strong In a 2022 randomized study, sucralose and saccharin altered the gut microbiome and impaired glucose responses in some people; a 2023 lab study raised questions about its by-product sucralose-6-acetate. [3][4][5][6][7]
  • Natural flavors
    Info "Natural flavor" is a legal category (21 CFR 101.22(a)(3)): flavor substances from spices, fruits, vegetables, meat, dairy or fermentation. [8][9]
  • Gum arabic (acacia)
    Info An ingredient class typical of ultra-processed foods (NOVA group 4). [9]
  • Glycerol ester of rosin (ester gum)
    Info An additive class typical of ultra-processed foods (NOVA group 4). [9]
subtotal−20.5

Processing

  • Ultra-processed (NOVA 4)
    Strong Classified NOVA 4: made with industrial ingredients and additives. [9]
  • 5 kinds of ultra-processing markers
    Emerging Industrial additive classes found: emulsifier, flavoring, non-nutritive sweetener, sugar alcohol (polyol) and thickener, stabilizer or gelling agent. [9]
subtotal−24

Nutrition per 100 ml

  • Energy 3 kcal / 100 ml
    Info Energy-dense for its volume. [7]
subtotal−1
TOTAL 55Okay

100 − 45.5 = 54.5 → 55

GTIN 00815154026710 · 2025-10-31

score v1.3.0 · kb 2026.10.11

High confidence

Same product, same score. Every time.

Nutrition per 100 ml

Energy3 kcal
Fat0 g
Carbohydrates0.6 g
Protein0 g
Salt0.2 g

Serving: 1 serving (355 g)

Ingredients

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

CARBONATED WATER, ERYTHRITOL, CITRIC ACID (pH CONTROL), SODIUM CITRATE, NATURAL FLAVORS CAFFEINE, PANAX GINSENG EXTRACT, SUCRALOSE, ZINC GLUCONATE, SALT, ASCORBIC ACID (VIT. C), GUM ARABIC NIACINAMIDE (VIT. B3), ESTER GUM, D-CALCIUM PANTOTHENATE (VIL B6), PYRIDOXINE HYDROCHLORIDE (VIT. B6), GREEN TEA EXTRACT (45% EGCG), GUARANA EXTRACT, CHROMIUM PICOLINATE, VITAMIN A PALMITATE BETA-CAROTENE (COLOR), BIOTIN (VIT, B7), GUAYUSA EXTRACT, CYANOCOBALAMIN (VIT. B12).

Healthiest energy drinks in the US

More from Reign

Sources

  1. The artificial sweetener erythritol and cardiovascular event risk

    Nature Medicine · March 2023 · Peer-reviewed

    “Our findings reveal that erythritol is both associated with incident MACE risk and fosters enhanced thrombosis. Studies assessing the long-term safety of erythritol are warranted.”

    doi.org

  2. Re-evaluation of erythritol (E 968) as a food additive (plain language summary)

    European Food Safety Authority · Dec 20, 2023 · Agency assessment

    “In all groups of people, both acute and chronic exposure to erythritol is above the newly set ADI.”

    efsa.europa.eu

  3. Personalized microbiome-driven effects of non-nutritive sweeteners on human glucose tolerance

    Cell · September 2022 · Peer-reviewed

    “As groups, each administered NNS distinctly altered stool and oral microbiome and plasma metabolome, whereas saccharin and sucralose significantly impaired glycemic responses.”

    doi.org

  4. Toxicological and pharmacokinetic properties of sucralose-6-acetate and its parent sucralose: in vitro screening assays

    Journal of Toxicology and Environmental Health, Part B · Aug 18, 2023 · Peer-reviewed

    “Sucralose-6-acetate significantly increased the expression of genes associated with inflammation, oxidative stress, and cancer”

    doi.org

  5. EFSA finds sucralose safe when used as currently authorised; cannot confirm safety of extending its use

    European Food Safety Authority · Feb 17, 2026 · Agency assessment

    “EFSA’s experts concluded that the sweetener sucralose (E 955) continues to be safe for consumers for its currently authorised uses as a food additive.”

    efsa.europa.eu

  6. WHO advises not to use non-sugar sweeteners for weight control in newly released guideline

    World Health Organization · May 15, 2023 · Agency assessment

    “The recommendation is based on the findings of a systematic review of the available evidence which suggests that use of NSS does not confer any long-term benefit in reducing body fat in adults or children.”

    who.int

  7. 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

  8. 21 CFR 101.22 Foods; labeling of spices, flavorings, colorings and chemical preservatives

    Electronic Code of Federal Regulations (eCFR), U.S. Office of the Federal Register · Dec 19, 2016 · Law

    “whose significant function in food is flavoring rather than nutritional.”

    ecfr.gov

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

    Public Health Nutrition · April 2019 · Peer-reviewed

    doi.org

  10. 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

  11. 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

  12. Regulation (EU) No 1169/2011, Annex III point 2.4 (foods with more than 10 % added polyols)

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

    “‘excessive consumption may produce laxative effects’.”

    eur-lex.europa.eu

  13. 21 CFR 184.1835 Sorbitol

    Electronic Code of Federal Regulations (eCFR), U.S. Office of the Federal Register · Nov 22, 2016 · Law

    ““Excess consumption may have a laxative effect.””

    ecfr.gov

  14. 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

  15. 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