LongevityJuly 27, 2026·4 min
Understanding NAD+ Decline: Why Your Cells Need a Boost
NAD+ levels decline by approximately 50% between ages 20 and 50. Learn how NMN, NR, and nicotinamide can help restore cellular energy and support healthy aging.
Latest research, protocol updates, and product news from the PRTCL team.
NAD+ levels decline by approximately 50% between ages 20 and 50. Learn how NMN, NR, and nicotinamide can help restore cellular energy and support healthy aging.
Beyond muscle performance, creatine monohydrate has shown promising results for cognitive function under conditions of metabolic stress — including sleep deprivation and aging.
Low-intensity aerobic training at 60-70% of max heart rate stimulates mitochondrial biogenesis and improves fat oxidation. Here's why every athlete needs Zone 2.
Berberine activates AMPK and has shown comparable effects to metformin in clinical trials. We break down the evidence, dosing, and how to use it safely.
COREHU is PRTCL's proprietary protocol recommendation system that suggests optimal supplement dosing, peptide schedules, and nutrition targets based on your profile.