Claim Checker

Nutrition claims, fact-checked

Source-backed verdicts on the claims you see everywhere. Each one cites verified PubMed research — counter-evidence included — and is rated on a transparent five-level scale.

Butyrate and colonocyte health

All Butyrate and colonocyte health claims →

Is it true that dietary fiber lowers the risk of colorectal cancer?

Supported by Evidence

A substantial and consistent body of evidence from prospective cohort studies, systematic reviews…

Is it true that adequate dietary fiber intake is associated with lower colorectal cancer risk?

Supported by Evidence

The association between adequate dietary fiber intake and reduced colorectal cancer (CRC) risk is one of the most consistently…

Antioxidants and polyphenols in coffee

All Antioxidants and polyphenols in coffee claims →

Is it true that drinking coffee is harmful to your health?

Debunked

The overall weight of scientific evidence strongly contradicts the broad claim that drinking coffee is harmful to health.

Caloric balance vs. meal timing for weight management

All Caloric balance vs. meal timing for weight management claims →

Is it true that eating late at night causes weight gain?

Partially True

The claim that 'eating late at night causes weight gain' contains a kernel of truth but oversimplifies a nuanced picture.

Circadian rhythm and meal timing

All Circadian rhythm and meal timing claims →

Is it true that eating breakfast helps with weight loss?

Partially True

The claim that 'eating breakfast helps with weight loss' is an oversimplification of a nuanced body of evidence.

Circadian rhythm and metabolism

All Circadian rhythm and metabolism claims →

Is it true that carbohydrates eaten after 6pm are stored as body fat regardless of total intake?

Debunked

The claim that carbohydrates eaten after 6pm are automatically stored as body fat 'regardless of total intake' is not supported…

Diet quality indices and chronic disease risk

All Diet quality indices and chronic disease risk claims →

Is it true that mediterranean-style diets are associated with reduced cardiovascular disease risk?

Supported by Evidence

The association between Mediterranean-style diets and reduced cardiovascular disease (CVD) risk is one of the most robustly…

Diet-heart hypothesis history

All Diet-heart hypothesis history claims →

Is it true that saturated fat causes heart disease?

Partially True

The claim that 'saturated fat causes heart disease' captures a widely held belief in nutrition science…

Dietary fat oxidation and cooking methods

All Dietary fat oxidation and cooking methods claims →

Is it true that seed oils cause inflammation and disease?

Misleading

The broad claim that 'seed oils cause inflammation and disease' is an oversimplification that does not reflect the overall weight…

Dietary fat substitution strategies (e.g., high-oleic oils)

All Dietary fat substitution strategies (e.g., high-oleic oils) claims →

Is it true that trans fats raise LDL cholesterol and lower HDL cholesterol?

Supported by Evidence

The claim that trans fats raise LDL cholesterol and lower HDL cholesterol is one of the most consistently supported findings in…

Egg consumption and cardiovascular disease risk in observational studies

All Egg consumption and cardiovascular disease risk in observational studies claims →

Is it true that dietary cholesterol from eggs significantly raises blood cholesterol in healthy adults?

Partially True

The relationship between dietary cholesterol from eggs and blood cholesterol is more nuanced than a simple cause-and-effect.

Food additive regulation and GRAS status

All Food additive regulation and GRAS status claims →

Is it true that mSG causes 'Chinese restaurant syndrome' headaches in most adults at typical food doses?

Debunked

The claim that MSG causes 'Chinese restaurant syndrome' headaches in most adults at typical dietary doses is not supported by the…

Immune function and micronutrients

All Immune function and micronutrients claims →

Is it true that vitamin C prevents the common cold?

Misleading

The claim that vitamin C 'prevents' the common cold is misleading because the best available evidence consistently shows that…

Ketogenic diet as adjunct cancer therapy

All Ketogenic diet as adjunct cancer therapy claims →

Is it true that eliminating sugar starves cancer cells and shrinks tumors?

Misleading

The claim that 'eliminating sugar starves cancer cells and shrinks tumors' oversimplifies and distorts what the science actually…

Verdik verdicts are educational information about nutrition research, not medical advice. Verdicts summarize source-backed evidence at the time of review and are not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider about your diet, supplements, or medical conditions. Read about how our verdict scale works, or check any claim yourself in the Verdik app.