Human Bioenergetics, GLP-1 Preservation & Body Recomposition Guides
Every article is authored and reviewed by exercise physiologists and sports dietitians with direct citations to the National Library of Medicine (PubMed / NCBI).
Mifflin-St Jeor vs. Katch-McArdle vs. Cunningham: Clinical BMR Accuracy Compared
Why standard online calorie calculators underestimate athletic energy expenditure by up to 340 kcal/day—and how selecting the right Lean Body Mass equation transforms body recomposition.
Preventing Sarcopenia on GLP-1 Agonists (Ozempic, Wegovy & Zepbound): The Leucine & Protein Protocol
Dual-energy X-ray absorptiometry (DXA) data from major GLP-1 trials show up to 39% of weight lost is lean tissue when protein is neglected. Here is the exact mathematical protocol to keep 92%+ of your muscle.
Body Recomposition & Calorie Cycling: How +5% Training Days and -20% Rest Days Partition Nutrients
Muscle hypertrophy is an energy-dependent signaling process, while lipolysis thrives in transient cellular energy deficits. Learn how alternating training and rest macros achieves both within the same 7-day microcycle.
Perimenopause Macro Strategy: Overcoming Anabolic Resistance & Luteal Insulin Shifts (Ages 38–55)
Fluctuating estradiol and progesterone during perimenopause alter resting fat oxidation and increase the amino acid threshold required to stimulate muscle protein synthesis. Here is how to adjust your TDEE and macros.
Reverse Dieting & Metabolic Adaptation: How +80 kcal/Week Restores TDEE After Prolonged Dieting
Prolonged caloric restriction suppresses Non-Exercise Activity Thermogenesis (NEAT) and leptin. Discover the exact mathematical protocol for stepping calories back up without rebound fat gain.
Plant-Based Protein Synthesis: Combining Pea, Rice & Soy Isolates to Hit the 3.0g Leucine Trigger
Amino acid profiling of 30+ plant proteins shows lower leucine, lysine, or methionine density per gram compared to whey. Learn how a 70:30 pea-to-rice blend matches whey isolate bioavailability.
Creatine Monohydrate Saturation, Intracellular Water Retention & Phosphocreatine Bioenergetics
Does creatine cause extracellular "bloating"? Bioelectrical impedance spectroscopy proves creatine pulls water strictly inside the muscle cell, acting as an anabolic osmotic signal.
Sauna Bathing & Ketogenic Natriuresis: Quantifying Daily Sodium, Potassium & Magnesium Losses
Combining low-carb/intermittent fasting regimens with heavy training and sauna sessions can deplete 3,500–5,000 mg of sodium per day. Learn how to calculate your exact mineral replacement.
Fat-Free Mass Index (FFMI) Explained: Calculating Your Natural Muscular Ceiling (Kouri et al. Cohort)
Body Mass Index (BMI) classifies muscular athletes as "overweight". Discover how height-normalized Fat-Free Mass Index (FFMI) accurately measures skeletal muscle development.
Time-Restricted Feeding (16:8 vs. OMAD): Preserving Lean Mass During Intermittent Fasting Cuts
Why a 16:8 feeding window with 3 distinct protein boluses preserves 100% of lean mass in lifters (Moro et al.), whereas unstructured One-Meal-A-Day (OMAD) risks lean tissue loss.
How Much Protein Can You Absorb in One Meal? Analyzing the 0.4g/kg/Meal Rule & 100g Bolus Trials
Debunking the old "30g protein absorption cap" myth using isotope-labeled amino acid tracer studies (Schoenfeld & Aragon; Trommelen et al., Cell Reports Medicine).
Targeting Visceral Fat vs. Subcutaneous Fat: Combining Calorie Cycling with Zone 2 & Resistance Training
Visceral adipose tissue (VAT) surrounding the liver and viscera is highly sensitive to catecholamine-induced lipolysis. Learn why rest-day −20% deficits + Zone 2 oxidation preferentially mobilize visceral fat.