Proteins (Buy in smaller quantities - your appetite will surprise you) Eggs (1-2 dozen - your new best friend) Greek yogurt (plain, 2-3 large containers) Cottage cheese (2 containers) Boneless skinless chicken breasts (1.5 lbs) White fish (cod, tilapia, or sole - 1 lb) Salmon fillets ( lb) Lean ground turkey (1 lb) Deli turkey breast ( lb, low sodium) Canned tuna (2-3 cans in water) Protein powder (vanilla or unflavored, 1 container) Shrimp ( lb, optional) Complex Carbs (Smaller portions than usual) Oatmeal (old-fashioned or steel cut) Quinoa (1 box) Brown rice or white rice (1 small bag) Whole grain bread (1 loaf) Whole wheat tortillas (small package) Sweet potatoes (2-3 medium) Whole wheat pasta (1 box) Vegetables (Fresh is best for gentle digestion) Spinach (fresh or pre-washed) Mixed salad greens Broccoli (fresh or frozen) Green beans Carrots Cucumber Cherry tomatoes Bell peppers Asparagus Zucchini Fruits (Easier to digest than vegetables for some) Bananas (3-4) Berries (fresh or frozen mixed) Apples (3-4 small) Oranges (2-3) Pears (2-3) Healthy Fats (Use sparingly) Avocados (2-3) Almond butter (1 jar) Almonds (small bag, raw or roasted) Olive oil (for cooking) Low-fat cheese (string cheese, sliced) Pantry Staples Unsweetened almond milk Marinara sauce (low sugar) Hummus Whole grain crackers Low-sodium broth (chicken or vegetable) Ginger tea (for nausea) Optional But Helpful Pre-made high-protein breakfast sandwiches (for mornings you can't cook) Meal delivery service (takes stress out of first week entirely) Ready-to-drink protein shakes (for emergencies) Essential Eating Strategies for Week 1 The 4 Golden Rules 1

Throughout the manuscript, rejuvenation-oriented terminology has been avoided in favor of functional descriptors that more accurately reflect the current evidence base, including circadian robustness, rhythm amplitude, sleep consolidation, and metabolic alignment
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The majority were related to the gastrointestinal system with nausea reported most frequently
Body Composition and Weight Considerations Obesity impairs growth hormone dynamics through multiple mechanisms including increased free fatty acids suppressing secretion, inflammatory cytokines from adipose tissue, and reduced receptor sensitivity