ACADEMICATHLETELAB
Metabolic Fueling Lab

Anabolic Resistance Model v1.5

Metabolic Inputs

Awaiting Metabolic Data...
Fueling

Combatting Anabolic Resistance (50+)

01. Halt Sarcopenia

Post-50, muscle loss is the primary driver of frailty. Protein is no longer just for aesthetics; it is the structural substrate for longevity. Our model uses a 1.8g–2.2g/kg coefficient to offset decreased tissue sensitivity.

02. The Leucine Trigger

To stimulate Muscle Protein Synthesis (MPS) in masters athletes, you must hit a "threshold" of ~3g of Leucine per meal. This typically requires 40g+ of high-quality protein per bolus.

03. Glycemic Sinks

Muscle is your largest metabolic organ. By protecting lean mass, you maintain a "glucose sink," keeping insulin sensitivity high and preventing systemic "inflammaging."

Reference: Clinical Protein Thresholds for Masters Athletes (2026).