Claim: Eating chocolate is one of the main causes of acne.

First requested: April 26, 2026 at 7:45 AM
36%

IsItCap Score

Truth Potential Meter

Very Low Credibility

AI consensusWeak

Grader consensus is weak.
Range 25%–50% (spread Δ25).
The graders diverge. Treat the combined score as uncertain and read the sources carefully.
Read analysis summary

OpenAI Grade

0%
20%
40%
60%
80%
35%

Perplexity Grade

0%
20%
40%
60%
80%
25%

Google Gemini Grade

0%
20%
40%
60%
80%
50%

Analysis Summary

Eating chocolate is not one of the main causes of acne. Some studies suggest a correlation between chocolate consumption and acne severity, particularly in specific populations like acne-prone individuals. However, significant evidence indicates that chocolate does not directly cause acne, and other factors such as diet and individual skin types play a more crucial role. Critics argue that existing studies often lack comprehensive controls and may not account for other dietary influences on acne. The models diverge sharply — treat this as higher-uncertainty. Gemini comes in highest (50%), while Perplexity is lowest (25%). Perplexity expresses higher confidence than Gemini on this claim. While some studies indicate a potential link between chocolate and acne exacerbation, such as those showing increased lesions after chocolate consumption, other research contradicts these findings, asserting no significant impact of chocolate on acne severity. This discrepancy suggests that while chocolate may affect some individuals, it is not a definitive cause of acne for the general population. The mixed results highlight the need for further research to clarify the relationship between chocolate and acne.
Jump to source analysis

Source quality

Truth (from sources)3.50 / 10
Source reliability6.50 / 10
Source independence5.00 / 10

Claim checks

Fits established facts4.00 / 10
Logical consistency5.00 / 10
Expert consensus4.00 / 10
Related fact checks

Source Analysis

Common arguments
Supporting the claim
  • Small studies show chocolate intake worsens acne lesions statistically (p1,p2,p3).
  • Dose-dependent correlation in acne-prone males (p2).
  • Crossover trial: chocolate caused +4.8 lesions vs jelly beans (p3).
Against the claim
  • 1969 controlled study: no acne difference chocolate vs placebo (a1).
  • 2012 food diary study found no chocolate-acne link (a2).
  • Mixed results; sugar/fat blamed indirectly, not chocolate itself (a3).

Mainstream Sources

Publication

pmc.ncbi.nlm.nih.gov

Title

The Relationship between Chocolate Consumption and the Severity of Acne Vulgaris

Summary

Study on 85 participants consuming 50g of 85% cocoa chocolate daily showed statistically significant intensification of acne lesions in most, with increases of 1-3 points on ISGA scale.

Source details

Type: Primary
Primary Data

URL

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Publication

pmc.ncbi.nlm.nih.gov

Title

Double-blind, Placebo-controlled Study Assessing the Effect of Chocolate Consumption in Acne-Prone Males

Summary

Double-blind study on 14 acne-prone men found positive correlation between chocolate/cocoa dose and acne lesions, with medium-strength correlation by day 7.

Source details

Type: Primary
Primary Data

URL

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Publication

aafp.org

Title

Chocolate Consumption May Make Acne Vulgaris Worse

Summary

Crossover trial in college students showed significant increase in acne lesions 48 hours after chocolate vs. jelly beans.

Source details

Type: Major Media
Secondary Reporting

URL

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Alternative Sources

Publication

jamanetwork.com

Title

Effect of Chocolate on Acne Vulgaris

Summary

Controlled study with 65 acne subjects eating chocolate or placebo found no difference in acne worsening; excessive chocolate did not alter sebum.

Source details

Type: Primary
Primary Data

URL

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Publication

healthline.com

Title

Does Chocolate Cause Acne: What the Science Says

Summary

Reviews mixed studies; some show link, but 2012 food diary study of 44 adults found no chocolate-acne connection; more research needed.

Source details

Type: Aggregator
Aggregator

URL

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Publication

dermla.com

Title

True or False, Chocolate Causes Acne?

Summary

Cites studies with mixed results, including 1969 and 1971 finding no effect; concludes chocolate not direct cause, blames sugar/fat indirectly.

Source details

Type: Blog
Secondary Reporting

URL

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Analysis Breakdown

True/False Spectrum (3.5)Source Credibility (6.5)Bias Assessment (5.0)Contextual Integrity (4.0)Content Coherence (5.0)Expert Consensus (4.0)47%

How to read the breakdown

Weakest areas
Truth3.5/10Context4.0/10
  • Truth: how well sources support the core claim.
  • Source reliability: whether the sources have a strong track record.
  • Independence: whether coverage looks one-sided or recycled.
  • Context: missing details (timeframe, definitions, scope) that change meaning.
  • Tip: if graders disagree, rely more on the summary + sources than the single number.

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Methodology

Fact check: Does eating chocolate cause acne? | IsItCap