Repast for Intermittent Fasting: 16:8 and 18:6 Window Macro Compression
Structuring two nutrient-dense meals that hit your 130g protein floor without gastric distress during compressed feeding windows.
The Friction vs. The Constraint Solver
The Protein Compression Problem
Fitting 130g of protein and 1,800 calories into a 6-hour feeding window often causes uncomfortable stomach fullness, leading people to under-eat vital amino acids.
Breaking the Fast with the Wrong Macros
Breaking a 16-hour fast with high-fat, high-carb foods causes extreme reactive hypoglycemia, leaving you sleepy and groggy at 1:30 PM.
Biphasic Asymmetric Caloric Budgeting
Repast divides your daily targets into a 40/60 split: a clean, moderate-fat fast-breaker at 12:00 PM followed by a substantial, nutrient-dense dinner anchor at 6:30 PM.
Leucine-Dense Whole Foods
Using compact, highly bioavailable proteins (salmon, lean beef, eggs) ensures you breach the 3g leucine threshold twice daily without overwhelming stomach capacity.
Verified Persona Meal Architecture
USDA-AuditedA concrete day generated by Repast for this exact metabolic profile, with guaranteed sub-20g net carbs and zero food logging required.
The Synergistic Power of Ketosis and Fasting
When a standard high-carbohydrate dieter fasts for 16 hours, the first 12 hours are spent merely depleting hepatic glycogen. Only in the final 4 hours does AMPK activate and fat burning begin.
In a keto-adapted individual, glycogen is already minimized. The moment your last meal digests, your body enters deep fasting physiology: autophagy accelerates, cellular recycling begins, and insulin remains at baseline.
However, compressing your food into two meals requires deliberate volumetric planning so you do not under-consume essential electrolytes and protein.
“Fasting while already keto-adapted accelerates cellular autophagy from hour four instead of hour twelve.”
The 40/60 Biphasic Protocol
Eating 65 grams of protein alongside 50 grams of rich fat at 12:00 PM will send blood rushing to your digestive tract, causing an afternoon energy slump.
Repast structures Meal 1 as a moderate-fat protein anchor that satisfies hunger without heaviness. Meal 2 at dinner provides the larger caloric allotment and satisfying fats that carry you through the night without late-night cravings.
Frequently Asked Questions
Can I do OMAD (One Meal a Day) with Repast?
While Repast supports single-meal templates, we recommend a minimum of two protein anchors daily to optimize muscle protein synthesis and prevent gastric distension.
Sync your keto meals with your fasting timer on iPhone.
Repast designs high-protein, compact meals structured specifically for 16:8 and 18:6 eating windows on your iPhone.
Plan fasting keto on iPhone