Hormonal
Intermittent fasting (IF) produces weight loss comparable to continuous calorie restriction while offering superior improvements in insulin sensitivity and lipid profiles through a metabolic switch to ketone-based energy.
Intermittent fasting is a viable weight loss strategy that works as well as traditional calorie counting but may offer better metabolic benefits like improved insulin sensitivity. You can choose from several methods: eating normally on 2 days and restricting calories on 2 others (5:2), alternating between fasting and eating days (ADF), or limiting your daily eating to an 8-hour window (16:8). The key is consistency and allowing your body to switch from burning glucose to burning fat (ketones). Start with a protocol that fits your lifestyle, such as 16:8, and adjust based on your hunger and energy levels.
IF has shown to be effective in reducing body weight and improving metabolic parameters... Physiological insights reveal that IF leads to a metabolic switch from glucose-based to ketone-based energy, which plays a critical role in its effectiveness.
Why this rating
The paper is a review of various studies, not a single primary RCT, providing moderate evidence quality.
Source
Effects of Intermittent Fasting on Weight Loss and Metabolic Health
Anna Kaźmierczak et al. · Quality in Sport · 2024
DOI 10.12775/qs.2024.22.54618
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