Nezam El-Tayebat Fact CheckA scientific assessment of the “نظام الطيبات” nutrition system
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False Certainty of evidence: high provisional C-FAT-02

Blood contains no fat (everything in plasma is water-soluble), so it is impossible for arteries to be blocked by fat.

Safety note: Following this claim could lead people with high LDL cholesterol, diabetes or heart disease to ignore lipid results or stop statins. Medically accepted position: elevated LDL cholesterol is a treatable causal risk factor; decisions about lipid-lowering therapy belong with the treating physician.
Conclusion: Blood carries fat in lipoproteins, and LDL cholesterol is a proven cause of artery disease; the claim is false.
  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

عليا الطلاق الدم ما فيه دهون ها والله الدم ما فيه دهون الدم كل اللي جوه البلازما بيدوب في الماء لا يدوب في الدهون خالص ما ينفعش الدهون تبقى في الدم ما ينفعش فما ينفعش حاجه اسمها سد الشريان بالدهون

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

Translation

Blood contains no fat (everything in plasma is water-soluble), so it is impossible for arteries to be blocked by fat.

Origin

Source status
Video transcript (own words)
Attribution
Elawady (machine transcript)
Video
Dr Diaa Al Awady د ضياء العوضي is live! السيليوليت (Open source)
Published
11 October 2025
Timestamp
2:25:57 (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; wording may contain transcription errors; spoken live-stream language, context partly conversational.
Claimed mechanism

Fats are insoluble in water and therefore cannot be in blood; the liver filters dietary fat.

Claimed health effect

Fat cannot cause arterial blockage.

Population concerned

Everyone.

Geographic restriction by Elawady

none found

Diverging source versions

ده انت لو حاطط مكان الكبد سفنجه مش هتعدي الدهون دي

Source status
Video transcript (own words)
Attribution
Elawady (machine transcript)
Video
الذبحة الصدرية ؟! (Open source)
Published
3 February 2025
Timestamp
1:19:17 (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; wording may contain transcription errors; spoken live-stream language, context partly conversational.

Scientific assessment

False – The statement contradicts the robust evidence.

Certainty of evidence: high – Further research is very unlikely to change the assessment.

1. What was claimed?

There is no fat in blood, so arteries cannot be clogged by fat.

2. What is demonstrably correct?

Fats are not water-soluble; this is exactly why the body packages them into lipoproteins (chylomicrons, VLDL, LDL, HDL) for transport in plasma. It is also correct that atherosclerosis is not simply fat 'sticking' like grease in a pipe; it is an inflammatory process in the artery wall.

3. What is wrong or exaggerated?

Blood plasma does carry large amounts of lipids (triglycerides and cholesterol) inside lipoproteins; these are measured in every lipid panel. LDL particles enter the artery wall and their cholesterol accumulates in atherosclerotic plaques; LDL is causal for atherosclerotic cardiovascular disease (I-FAT-02, 'unequivocally establishes'). The liver does not filter out dietary fat before it reaches the circulation: dietary fat is absorbed mainly via chylomicrons into the lymph and then the blood (general physiology, which he himself describes in other videos).

4. What remains unclear?

Nothing material.

5. Which studies support it?

None.

6. Which studies contradict it?

I-FAT-02 (EAS consensus: >200 cohorts, Mendelian randomisation and RCTs, >2 million participants).

7. What applies to Germany and Europe?

Universal; lipid measurement and LDL lowering are standard of care in Europe.

8. What is known about Egypt?

Same physiology applies.

9. What practical conclusion is appropriate?

This statement is false and could lead people to dismiss high cholesterol.

Assessment details

Rationale for certainty of evidence

Lipid transport in blood via lipoproteins and the causal role of LDL in atherosclerosis are established by genetic, epidemiological and randomised evidence (I-FAT-02).

Source quality

Elawady's own words (machine transcript), clearly stated. Notably, in other videos (e.g. RpO64V4Od7o, uj0_wxTtvA0) he himself explains chylomicrons, HDL and LDL as lipid carriers in blood.

Regional transferability

Universal physiology.

Individual exceptions

None.

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

In plain language

Fat does travel in the blood. Because fat does not mix with water, the body packs it into tiny particles called lipoproteins, such as LDL and HDL, which doctors measure in a cholesterol test. LDL particles can get into the wall of arteries, and the cholesterol they carry builds up in plaques. Many kinds of research, including genetic studies and drug trials, show that LDL causes artery disease. The statement that blood contains no fat is therefore wrong.

Studies on this claim

Studies supporting the claim (0)

No studies in this group.

Studies contradicting or limiting the claim (2)

  • Experts: LDL cholesterol causes artery disease

    Ference BA et al.. Eur Heart J 2017 · PMID 28444290 · DOI 10.1093/eurheartj/ehx144
    Guideline / position statementindependent cross-checkfull text checked★ key study

    Genetic studies, cohorts and drug trials agree: more LDL over time means more atherosclerosis.

    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?

    Establish whether LDL is causal.

    How was the study done?

    Consensus review of all evidence types.

    How many people, animals or samples were studied?

    >2 million people.

    What was actually found?

    LDL causes ASCVD.

    How large was the observed effect?

    Log-linear dose-response.

    What do the results mean in everyday life?

    High LDL is harmful.

    What are the study's limitations?

    Expert consensus, not a systematic review; most panel members have ties to cholesterol-drug makers; absolute-benefit tables are projections.

    What does it say about Elawady's specific claim?

    Contradicts claims that fat/cholesterol cannot harm arteries.

    Do the results apply to Germany and Europe?

    High.

    What can explicitly not be concluded from this study?

    Effects of single foods.

    Scientific details →

  • Cochrane: eating less saturated fat reduces heart and stroke events

    Hooper L et al.. Cochrane Database Syst Rev 2020 · PMID 32827219 · DOI 10.1002/14651858.CD011737.pub3
    Meta-analysisindependent cross-checkabstract only checked★ key study

    17% fewer combined cardiovascular events (RR 0.83); no clear effect on deaths.

    SFA reduction lowers cholesterol and CVD events.

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

    Original publication · Scientific details

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

    Effect of less saturated fat.

    How was the study done?

    Meta-analysis of 15 RCTs.

    How many people, animals or samples were studied?

    56,675 adults.

    What was actually found?

    Fewer CVD events; mortality unchanged.

    How large was the observed effect?

    RR 0.83 (0.70-0.98); NNTB 56.

    What do the results mean in everyday life?

    Cutting saturated fat helps the heart modestly.

    What are the study's limitations?

    Old, heterogeneous trials.

    What does it say about Elawady's specific claim?

    Contradicts 'ghee and butter don't affect arteries'.

    Do the results apply to Germany and Europe?

    High.

    What can explicitly not be concluded from this study?

    Effect of a specific food like ghee.

    Scientific details →

Studies with mixed or unclear results (0)

No studies in this group.

Regional context

Germany / EU

Universal; lipid measurement and LDL lowering are standard of care in Europe.

Egypt

Same physiology applies.

What applies in my country?

General scientific assessment

False Blood carries fat in lipoproteins, and LDL cholesterol is a proven cause of artery disease; the claim is false.

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. Low-density lipoproteins cause atherosclerotic cardiovascular disease. 1. Evidence from genetic, epidemiologic, and clinical studies. A consensus statement from the European Atherosclerosis Society Consensus Panel.. Ference BA et al.. Eur Heart J 2017 · PMID 28444290 · DOI 10.1093/eurheartj/ehx144
  2. Reduction in saturated fat intake for cardiovascular disease.. Hooper L et al.. Cochrane Database Syst Rev 2020 · PMID 32827219 · DOI 10.1002/14651858.CD011737.pub3

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