Mar 15, 2026Nutrition

Meal Timing Can Shift Fat Oxidation, Even With Same Calories

Does meal timing change fat burning? Controlled trials suggest late eating shifts fuel use toward glucose, but weight-loss evidence remains mixed.

meal timingcircadian rhythmfat oxidationmetabolic flexibility

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Mar 15, 2026Physical Activity

Could Birth Control Pill Timing Change Workout Fuel Use?

Could birth control pill timing affect fat burning during exercise? A small crossover trial tests the idea, but practical guidance awaits replication.

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Mar 15, 2026Nutrition

Astaxanthin and Aerobic Training After 65: What We Know

Can astaxanthin improve fat burning during aerobic training after 65? One small trial says maybe, but its supplement mix and subgroup results limit the claim.

astaxanthinantioxidantsinterval trainingmitochondrial biogenesis

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Mar 15, 2026Nutrition

Keto for Endurance: Better Fat Burning, Tougher Race Pace

Can keto help endurance athletes? Reviews find dramatically higher fat oxidation, but cycling trials show an oxygen-cost penalty at race pace and safety gaps.

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Mar 9, 2026Physical Activity

Low-Carb, High-Fat Diets and HIIT: Fat Loss vs. Performance

Low-carb, high-fat diets plus HIIT can reduce fat mass and raise VO2max in short trials. The unanswered question is sustained interval performance.

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