Nezam El-Tayebat Fact CheckA scientific assessment of the “نظام الطيبات” nutrition system
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Mostly false Certainty of evidence: moderate provisional C-SYS-07

Laboratory values (blood glucose, acetone, HDL/LDL, urea, creatinine, electrolytes) only indicate a change of the body's strategy under stress; there is no proof they cause symptoms, and linking them to the type of food is '100% wrong'.

Safety note: Ignoring very high blood glucose or ketones can lead to life-threatening ketoacidosis or hyperosmolar states; seek urgent care.
Conclusion: Lab markers such as blood pressure and glucose are causal risk factors and are influenced by diet.
  1. Original statement
  2. Scientific assessment
  3. In plain language
  4. Studies on this claim
  5. Regional context
  6. What applies in my country?
  7. References

Original statement

ولا يوجد اي دليل قطعي على انها سبب لما يصاحب الحاله من اعراض او تغيرات

verbatim according to source. Translation by the project; the Arabic wording is authoritative.

Translation

Laboratory values (blood glucose, acetone, HDL/LDL, urea, creatinine, electrolytes) only indicate a change of the body's strategy under stress; there is no proof they cause symptoms, and linking them to the type of food is '100% wrong'.

Origin

Source status
Video transcript (own words)
Attribution
Elawady (machine transcript)
Video
بيان فلسفه النظريه (Open source)
Published
14 February 2026
Timestamp
0:08:22 (location in the original video’s automatic YouTube caption track; confirms where the words occur, not who speaks)
Attribution uncertainty
Archive transcript (YouTube CC or AI-generated); no timestamps; spelling errors of the machine transcript are kept verbatim; wording may deviate from the spoken words.
Population concerned

General; people with diabetes, kidney disease

Geographic restriction by Elawady

none found

Scientific assessment

Mostly false – Essential parts of the statement are not supported by the evidence or are strongly exaggerated.

Certainty of evidence: moderate – Further research may still affect the assessment.

1. What was claimed?

Lab values are signals, not causes; diet does not determine them.

2. What is demonstrably correct?

A lab value is a marker and can reflect adaptation (e.g., stress hyperglycaemia); treating a number without the patient is a legitimate criticism.

3. What is wrong or exaggerated?

High systolic blood pressure is the leading risk factor for death worldwide (10.8 million deaths, I-SYS-02) and high fasting plasma glucose is a rising attributable risk (I-SYS-02) - these markers are causally linked to disease. Diet does affect such markers (e.g., sodium and blood pressure; see I-SYS-01 for sodium as leading dietary risk). The comparison with animals that also have glucose, urea and creatinine does not show that diet is irrelevant to their levels.

4. What remains unclear?

Which laboratory parameters are causal risk factors and which are mainly markers differs by parameter; this was not reviewed for each parameter listed in the claim.

5. Which studies support it?

Partly: laboratory values are markers that must be interpreted in clinical context, and acute stress can change some of them transiently (for example stress hyperglycaemia); no study was linked for this kernel.

6. Which studies contradict it?

I-SYS-02.

7. What applies to Germany and Europe?

Not region-specific; the global risk analysis (I-SYS-02) includes European countries.

8. What is known about Egypt?

Not region-specific; the global risk analysis (I-SYS-02) includes Egypt.

9. What practical conclusion is appropriate?

Very high glucose or ketones are medical emergencies; do not ignore them.

Assessment details

Rationale for certainty of evidence

Some measured markers are established causal risk factors (high blood pressure, high fasting glucose); detailed evaluation of glucose/ketones is done by the diabetes_obesity and insulin teams.

Source quality

Machine transcript; cross-reference diabetes_obesity team.

Regional transferability

High.

Regional scope of the claim
general (biological/medical)
Last reviewed
25 October 2026 provisional

In plain language

Dr. Diaa said that blood tests only show the body's reaction and that linking them to food is wrong. It is true that numbers must be interpreted in context. But high blood pressure and high blood sugar themselves damage the body over time, and diet affects them. High blood pressure is the leading risk for death worldwide.

Studies on this claim

Studies supporting the claim (0)

No studies in this group.

Studies contradicting or limiting the claim (1)

  • High blood pressure and tobacco are the top risk factors for death worldwide

    GBD 2019 Risk Factors Collaborators. Lancet 2020 · PMID 33069327 · DOI 10.1016/S0140-6736(20)30752-2
    Risk assessmentindependent cross-checkfull text checked★ key study

    In 2019, high blood pressure was linked to 10.8 million and tobacco to 8.7 million deaths.

    High SBP and fasting glucose are causal risks

    Does the study support the specific claim? No · Methodological quality: moderate · Certainty of evidence: see overall assessment of the claim

    Original publication · Scientific details

    Study explained simply
    What did the researchers want to find out?

    Rank risk factors.

    How was the study done?

    GBD 2019.

    How many people, animals or samples were studied?

    204 countries.

    What was actually found?

    High blood pressure and tobacco lead; dietary risks rank among the top five; all 87 risks together explain 47.8% of global disease burden.

    How large was the observed effect?

    19.2% and 15.4% of deaths.

    What do the results mean in everyday life?

    Check blood pressure; avoid tobacco; diet is one lever.

    What are the study's limitations?

    Modelling.

    What does it say about Elawady's specific claim?

    Multiple causes.

    Do the results apply to Germany and Europe?

    High.

    What can explicitly not be concluded from this study?

    Individual risk.

    Scientific details →

Studies with mixed or unclear results (0)

No studies in this group.

Regional context

Germany / EU

Not region-specific; the global risk analysis (I-SYS-02) includes European countries.

Egypt

Not region-specific; the global risk analysis (I-SYS-02) includes Egypt.

What applies in my country?

General scientific assessment

Mostly false Lab markers such as blood pressure and glucose are causal risk factors and are influenced by diet.

This statement concerns biological or medical relationships. The scientific assessment above applies regardless of the country; country-specific food data do not change it.

References

  1. Global burden of 87 risk factors in 204 countries and territories, 1990-2019: a systematic analysis for the Global Burden of Disease Study 2019.. GBD 2019 Risk Factors Collaborators. Lancet 2020 · PMID 33069327 · DOI 10.1016/S0140-6736(20)30752-2

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