Presented for research literature review only Eser A et al
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Case Study #3: Athletic Performance Optimization Patient: 38-year-old male competitive age-group triathlete Chief Complaints: Declining recovery between training sessions, persistent low-grade injuries, inability to hit previous power numbers despite consistent training Baseline Assessment: IGF-1: 168 ng/mL (suboptimal for training load) Testosterone: 512 ng/dL (adequate but not optimal for performance goals) hs-CRP: 2.1 mg/L (chronic low-grade inflammation) Ferritin: 32 ng/mL (suboptimal for endurance athlete) Training metrics: 7-day recovery time after hard sessions (goal: 2-3 days) Treatment Protocol: Foundation: Address iron deficiency with supplementation, optimize nutrition timing around training Hormone optimization: Testosterone enanthate to achieve 850-950 ng/dL range Peptide therapy: Sermorelin 400 mcg nightly, 6 nights/week (timed around training schedule) Supporting interventions: Sleep optimization protocol, targeted anti-inflammatory nutrition 16-Week Results: IGF-1: 284 ng/mL (+69%) Recovery time: 2-3 days for hard sessions (71% improvement) FTP (functional threshold power): +18 watts Body composition: -2.1% body fat, +1.9 kg lean mass hs-CRP: 0.6 mg/L (normalized) Race results: Two age-group podiums in half-iron distance races Patient Report: The recovery improvement is dramatic

B12 can hide some symptoms
Hydroxocobalamin: Package Insert / Prescribing Info Package insert / product label Dosage form: injection, solution Drug class: Vitamins J Code (medical billing code): J3425 (10 mcg, intramuscular) Medically reviewed by Drugs.com
Injections may be given daily for several days to a week, then weekly for several weeks