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Pillar Guide · Nutrition

Nutrition for BJJ.

How to fuel hard training without overcomplicating food — no secret diet, no panic cutting.

NutritionMacros HydrationProteinCarbs
Download 5 Pillars ↓ Hydration Protocol Eat for the job: train, lift, recover, repeat.

The problem

Grapplers make nutrition harder than it needs to be.

One guy fasts all day on black coffee, then dies in round three. Another smashes açaí, protein bars and takeaway because he "trained hard." Someone's doing keto through five hard rounds and two lifts a week. Then there's the comp-prep disaster — barely eating, sweating in a hoodie, pretending feeling like death is discipline.

Good BJJ nutrition isn't magic or a secret diet. It's eating enough of the right stuff, at the right times, consistently enough that your training improves.

The hierarchy

Get the base right before you touch the fine details.

Most people want to start at supplements, fasting windows or carb cycling. Wrong end of the pyramid — that's the smallest block, not the foundation.

The order of operations

The BJJ nutrition hierarchy.

Work top-down. Each layer only matters once the one above it is handled.

01Calories— enough for your goal
02Protein
03Carbs & Fats
04Hydration
05Meal Timing
06Supplements
Eat for performance, not panic dieting. You're training a combat sport — chronic under-eating shows up as poor rounds, bad recovery, low mood, constant soreness, getting sick more, and night binges. Some grapplers do need to lose fat — but dieting and hard training have to be managed intelligently.

Calories

Find your baseline, then adjust.

Estimate your TDEE (roughly how many calories you burn per day). It's a starting point, not gospel — the scale and your performance give the real feedback.

Step 1Estimate TDEE
→
Step 2Choose goal
→
Step 3Adjust calories
→
Step 4Track weight & performance
→
Step 5Adjust again

Maintain

WhenPerformance is the goal and body comp is already decent.
HowEat around maintenance.

Lose Fat

WhenYou need to lean out — gradually.
How~250–500 kcal below maintenance. If training falls apart, ease off.

Gain Muscle

WhenYou want size while still moving well.
How~250–500 kcal above. Slow gain beats teenage bulking.

The macros

Protein first. Carbs to fuel. Fats sensible.

You don't need to hit numbers perfectly every day — but if you're consistently way off on one, fix it.

Protein

Target~1.6–2.2 g/kg/day · easy default ~2 g/kg
SourcesBeef, chicken, fish, eggs, dairy, whey, tofu, legumes
Timing3–5 feedings/day, ~25–50 g each

Carbs

WhyHard rolling & lifting are glycolytic — carbs fuel them
SourcesRice, potato, oats, fruit, pasta, bread, legumes
LeverMore around hard training; less on rest days

Fats

Range~20–35% of total calories — avoid the extremes
SourcesOlive oil, avocado, eggs, fatty fish, nuts, dairy
WatchDon't let high fat crowd out carbs (or sneak 900 kcal of peanut butter)
Carbs are a lever, not a belief system. Push them higher when you train hard, lift the same day, do two sessions, or rounds feel flat. Pull back on rest days, low-volume blocks, or when fat loss is the goal.

Hydration

The boring thing that matters.

Turn up under-hydrated and performance suffers before you even blame your cardio. A simple starting point is ~3–4 L of fluid per day, then adjust for body size, sweat rate, heat and sodium.

Pre-training85 kg
−
Post-training83.5 kg
=
Fluid lost1.5 kg
× 1.25 =
~1.9 L over 4–5 hrs
Sip it, don't skull it — and add electrolytes or sodium if you're a salty sweater, training in heat, or doing multiple sessions. For normal sessions under an hour, water is usually enough; for long, hot or back-to-back days, add electrolytes and some carbs.

Meal timing

Useful — not magical.

Timing is the detail that helps once the foundation is solid. Total intake still comes first.

1–3 hrs before

Pre-training

  • Carbs + protein
  • Low–moderate fat & fibre
  • Food you digest well
  • Early Banana, yoghurt, toast or a shake
During

On the mats

  • Water for normal sessions
  • Electrolytes if hot / long / sweaty
  • Carbs for long or comp days
After

Post-training

  • Protein + carbs + fluids
  • A normal dinner works
  • Two-a-days Refuel matters more
  • Once a day No 14-second shaker sprint needed

No tracking Use the plate.

The simple plate method.

Palm+
Protein

One palm or more per meal.

Fist+
Carbs

One fist or more — push around training.

1–2 Fists
Veg / Fruit

Colour and fibre most meals.

Thumb
Fats

A thumb or small serve.

Want the simple framework

The 5 Pillars of BJJ Nutrition and the Hydration Protocol are free — no tracking required.

Download 5 Pillars ↓Hydration Protocol

Supplements

Support, not the foundation.

Supplements can help — but they're not a personality, and they don't replace eating like an adult.

Useful

Creatine monohydrate (3–5 g/day)
Protein powder (convenient protein)
Electrolytes
Caffeine (carefully)

Situational

Carb powder
Vitamin D
Omega-3
Iron / B12 if medically relevant

Don't build around

Fat burners
BCAA-only products
Proprietary blends
Hype supplements
Weight cuts: don't be an idiot. Being lighter isn't automatically better. If you cut so hard your cardio, strength, mood and decision-making crash, you won weigh-ins and lost the point. For most hobbyists: build muscle, lose fat gradually, stay hydrated, keep carbs high enough to train, and pick a division you can make without wrecking yourself. Serious cuts → work with a qualified sports dietitian.

Example day

Not a prescription — just a shape.

Through the day

Train at night
  1. Breakfast — eggs, toast, fruit, coffee
  2. Lunch — chicken, rice, veg, olive oil
  3. Pre-training — Greek yoghurt, berries, granola (or banana + whey)
  4. Training — water; electrolytes if hot
  5. Dinner — salmon/beef, potato/rice, veg
  6. Before bed (if needed) — milk, yoghurt or casein

Adjust by goal

Same shape, different dials
  1. Lose fat — trim fats/carbs, keep protein high
  2. Fuel hard training — more carbs around sessions, fluids up
  3. Gain muscle — bigger portions, easy calories (rice, oats, milk, oil)

The BJJ Strong approach

Most people don't need a perfect diet. They need a repeatable one.

Stop under-eating through the day and overeating at night. Hit protein. Carbs around hard training. Hydration that matches your sweat. Stop using supplements to cover for poor food habits — and stop treating every nutrition decision like a moral identity crisis.

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Eat for the job. The job is training jiu-jitsu, lifting, recovering, and doing it again.

FAQ

Quick answers.

What should I eat for BJJ +
Normal performance nutrition: enough calories, enough protein, enough carbs for hard training, sensible fats and proper hydration. Most meals = protein + carbs + fruit/veg.
Should grapplers eat carbs +
Yes, most should. BJJ is high-output with repeated hard efforts — carbs fuel hard rounds, lifting, conditioning and recovery.
How much protein do I need +
A practical target is ~1.6–2.2 g per kg of bodyweight per day. A simple default is ~2 g/kg.
Should I eat before BJJ +
Usually yes — a meal with carbs and protein 1–3 hours before. Training early or can't eat much Use a smaller snack: fruit, yoghurt, toast or a shake.
Is keto good for BJJ +
It can work for some, but it isn't the default for BJJ performance. Hard rolling, lifting and repeated high-intensity work usually benefit from carbohydrates.
How much water should I drink +
A general start is ~3–4 L/day for active grapplers, adjusted for size, sweat, heat and sodium. Weighing before and after training gives a better individual estimate.
How do I rehydrate after BJJ +
Weigh before and after; replace ~125% of the fluid lost over the next 4–5 hours. Add electrolytes or sodium if you sweat heavily or train in heat.
Should I cut weight for competition +
Maybe — but carefully. For most hobbyists, gradual fat loss and a sensible division beats aggressive last-minute cutting. Serious cuts should be handled with qualified support.

Fuel the job. Keep it repeatable.

Start with calories, hit protein, use carbs to fuel hard training, keep fats sensible, hydrate to your sweat, time meals when it matters, and use supplements as supplements. Don't let weight cutting wreck the thing you're cutting weight for.

Download 5 Pillars ↓ Hydration Protocol