Nutrition for Multi-Day Hunts

Food is fuel. In the backcountry, you are a high-performance engine running on a finite tank. If you put in low-grade fuel or run empty, you stall.

Caloric Math

A 180lb male rucking in mountainous terrain can easily burn 4,000-6,000 calories per day. Most hunters pack about 2,500. This drastic deficit leads to lethargy, brain fog, and muscle catabolism (your body eating its own muscle for fuel).

The Goal

Aim for 120-130 calories per ounce of food weight. Nut butters, olive oil packets, and macadamia nuts are your friends. If it's under 100 cal/oz (like jerky), it's heavy baggage.

Macronutrient Split

Fats (50%): Your primary endurance fuel. Dense energy.
Carbs (30%): Immediate rocket fuel for steep ascents or heavy pack outs. Eat these *during* movement.
Protein (20%): Muscle repair. Essential, but inefficient as fuel. Eat consistently to spare muscle.

Strategy: Drip Feeding

Do not "stop for lunch." A large meal diverts blood flow to the stomach for digestion, pulling it away from your legs. Instead, eat 200–300 calories every 60-90 minutes while moving or during short glassing breaks. This keeps blood sugar stable and energy consistent.

Conclusion

Eat before you are hungry. Drink before you are thirsty. By the time your body sends the signal, you are already in a deficit.