Zone 2 cardio training involves sustained exercise at a moderate intensity, primarily utilizing fat for fuel. This improves mitochondrial density and efficiency, enhances metabolic flexibility, and strengthens the cardiovascular system, all critical factors in delaying age-related decline and extending healthspan. It builds the aerobic base crucial for overall metabolic resilience.
Verdict
A foundational exercise for robust metabolic health and possible longevity benefits.
HEALTHSPAN IMPACT
Foundational
RISK LEVEL
Very Low
EVIDENCE GRADE
A
MONTHLY COST
$0 - $50
Protocol
- Perform 30-60 minutes of exercise, 3-5 times per week, maintaining a heart rate where conversation is possible but not easy (roughly 60-70% of maximum heart rate).
Flags
- Risk of injury if performed improperly or without gradual progression.