Este artículo resume la información más importante sobre: Comidas trampa: Lo que dice la ciencia sobre los descansos planificados de la dieta.
What Is a Cheat Meal vs. a Refeed Day?
These terms are often used interchangeably but describe different things:
- Cheat meal: An unplanned or planned high-calorie meal, often psychologically motivated ("I deserve a treat"). No specific macronutrient target — typically high in everything.
- Refeed day: A planned, structured increase in calories (primarily carbohydrates) for 1–2 days after a period of restriction. Evidence-based, targeting specific hormonal and metabolic effects.
What Happens Metabolically During Dieting?
Extended calorie restriction triggers adaptive thermogenesis — the body's metabolic compensation for reduced energy intake. Key changes:
- Resting metabolic rate drops 10–20% beyond what weight loss alone predicts
- Leptin (satiety hormone) levels fall, increasing hunger
- Thyroid hormone (T3) decreases, reducing metabolic rate
- Testosterone and IGF-1 drop, reducing anabolic signaling
- Muscle protein synthesis slows
Do Refeed Days Actually Help?
| Effect | Evidence | Notes |
|---|---|---|
| Temporarily restore leptin | ⭐⭐⭐ Yes | Returns to baseline within 12–48 hrs of refeeding |
| Improve training performance | ⭐⭐⭐ Yes | Replenishing glycogen restores strength and endurance |
| Psychological relief | ⭐⭐⭐ Yes | Reduces diet fatigue, improves adherence |
| Long-term metabolic restoration | ⭐ Limited | Requires extended diet breaks (1–2 weeks) for meaningful effect |
| Increase fat loss rate | ⭐ Unclear | Same results as linear deficit in most studies |
The Math Problem With Cheat Meals
A 700 kcal/day deficit over 6 days creates a 4,200 kcal weekly deficit — approximately 0.5 kg of fat. A single "cheat day" consuming 3,000 kcal above maintenance eliminates most of this deficit. This is why unstructured cheat meals frequently stall weight loss despite six days of disciplined eating.
Refeed correctly: Increase calories by 20–40% above deficit (not above maintenance). Focus the increase on complex carbohydrates (rice, oats, potatoes). Keep protein high and fat controlled. This restores glycogen without obliterating your weekly deficit.
Frequently Asked Questions
How often should I have a cheat meal?For most people in a moderate deficit, 1 refeed day per week (or every 10–14 days) is sufficient. Aggressive deficits (750+ kcal/day) may benefit from more frequent refeeds. Cheat meals should not be so large they erase a week's deficit.
Will a cheat meal ruin my diet?One meal won't ruin a diet — one meal cannot create meaningful fat gain (fat gain requires sustained calorie surplus over days). The damage from cheat meals is cumulative: frequent cheat meals erode the deficit over weeks.
What's better — a cheat meal or a cheat day?A cheat meal is mathematically safer. A cheat day consuming 1,000+ kcal above maintenance neutralizes 2–3 days of deficit. If you have a day of less structured eating, focus on keeping protein high and avoiding liquid calories.