Jason Fung Rank 16
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Jason Fung

Centers structured fasting and insulin-focused nutrition in his approach to metabolic health and weight management.

Protocol status
Explicit framework
Largest audience
1.46M subscribers
Primary platform
YouTube
Evidence checked
2026-10-14

Public framework

Signals we track

  1. MetricFasting duration

    His public framework distinguishes multiple fasting windows.

  2. MetricBlood glucose

    Glucose is one of the recurring measures used during metabolic work.

  3. MetricBlood pressure

    Blood pressure and medication effects are explicit monitoring concerns.

Published protocols

What the record contains

First-party frameworks and repeatable guidance captured by Four Arrows. Components are attributed summaries, not recommendations.

Baseline · Captured 2026-10-02

Jason Fung: Fasting Regimens

active

Fung presents several fasting schedules rather than one best schedule. He states that selection depends on the person, goals, metabolic illness, safety, and preference. The table records his published examples, not validated treatment recommendations.

6 components captured in the dated research record.

Provenance

Sources and boundaries

This dossier separates creator statements from Four Arrows editorial interpretation. Audience size, credentials, and repetition do not establish that a health claim is correct. Source availability and protocol details can change.