Metabolic

Metabolic-rate measurement, RER, and substrate-utilization tracking.

3 items tagged1 category

By Ryan · Founder

Updated May 29, 2026

Metabolic hardware - resting metabolic rate, respiratory exchange ratio, substrate-utilization tracking, and the analyzers that produce them. The clinical alternative to wearable-estimated metrics.

Metabolic - ranked picks

3 items

VO2 Master Pro wearable metabolic analyzer worn during exercise test

VO2 Master·Ultra-Premium

Pro

The VO2 analyzer that finally cleared the price barrier for individual buyers - VO2 Master Pro at ~$5K versus $15K+ for clinical alternatives.

K5

The portable VO2 max system that performance institutes, Olympic training centers, and elite-tier longevity clinics use - COSMED K5 brings laboratory accuracy out of the lab.

Metabolic Analyzer

The COSMED K5 alternative most clinics actually buy - PNOE delivers similar measurement quality at half the price with a more accessible software layer.

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