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Why Pre- and Post-Workout Nutrition Matters: Fuelling Your Body for Optimal Performance and Recovery

Writer: Renee DimentRenee Diment

When it comes to training effectively and seeing the best results, pre- and post-workout nutrition play a massive role. Whether you're aiming to build muscle, improve endurance, or maintain a calorie deficit, what you eat before and after your workouts can significantly impact your performance, recovery, and overall progress.


Why Pre-Workout Nutrition is Essential

Before training, your body needs fuel to perform at its best. The right combination of carbohydrates and protein will:

  • Provide energy for your session

  • Prevent muscle breakdown

  • Improve endurance and strength

  • Enhance recovery post-training


Carbohydrates serve as the body's primary fuel source during workouts, while protein provides essential amino acids to prevent muscle breakdown and kickstart the recovery process.


How Much Protein & Carbohydrates Do Women Need Pre-Workout?

The exact amount varies depending on body weight, training goals, and the type of workout, but general guidelines are:

  • Carbohydrates: 25-40g

  • Protein: 15-25g

The timing of your pre-workout meal also matters. Ideally, eat a balanced meal 60-90 minutes before training to ensure proper digestion and energy availability.


Pre-Workout Recommendations Based on Workout Type

  1. High-Intensity Interval Training (HIIT)

    • Carbs: 30-40g

    • Protein: 20-25g

    • Best Pre-Workout Meal: Oats with protein powder, banana with Greek yogurt, or a protein smoothie with fruit and almond milk.

  2. Strength Training Session

    • Carbs: 25-35g

    • Protein: 20-25g

    • Best Pre-Workout Meal: Scrambled eggs with whole grain toast, a protein smoothie with oats, or cottage cheese with berries.

  3. Cardio Session (Moderate to Low-Intensity)

    • Carbs: 20-30g

    • Protein: 15-20g

    • Best Pre-Workout Meal: A banana with peanut butter, Greek yogurt with honey, or a small protein smoothie with fruit.


Why Post-Workout Nutrition is Crucial

After training, your muscles are primed to absorb nutrients for repair and recovery. The right post-workout meal will:

  • Replenish glycogen stores

  • Reduce muscle protein breakdown

  • Support muscle growth and recovery

  • Minimise muscle soreness


How Much Protein & Carbohydrates Do Women Need Post-Workout?

To optimise recovery:

  • Carbohydrates: 30-50g

  • Protein: 25-30g

The goal is to replenish glycogen (from carbohydrates) and stimulate muscle protein synthesis (from protein) to ensure the body recovers effectively.


Post-Workout Recommendations Based on Workout Type

  1. High-Intensity Interval Training (HIIT)

    • Carbs: 40-50g

    • Protein: 25-30g

    • Best Post-Workout Meal: A smoothie with banana, protein powder, and oats; a rice and chicken bowl with veggies; or Greek yogurt with granola and berries.

  2. Strength Training Session

    • Carbs: 35-45g

    • Protein: 25-30g

    • Best Post-Workout Meal: Grilled chicken with quinoa and roasted veggies, a turkey and avocado wrap, or eggs on whole grain toast.

  3. Cardio Session (Moderate to Low-Intensity)

    • Carbs: 30-40g

    • Protein: 20-25g

    • Best Post-Workout Meal: Cottage cheese with fruit and nuts, a protein shake with a banana, or a tuna salad with whole grain crackers.


Morning Pre-Workout Nutrition Recommendations

For those training in the morning, it’s crucial to get quick-digesting carbs and protein for energy and muscle preservation.

  • If training first thing (within 30 minutes of waking up):

    • A banana with protein powder mixed in water

    • A small smoothie with almond milk, protein powder, and a handful of oats

    • Greek yogurt with honey

  • If training 60-90 minutes after waking up:

    • Scrambled eggs on whole grain toast

    • Oats with protein powder and berries

    • A high-protein smoothie with banana, oats, and nut butter


How to Structure a Calorie Deficit While Fuelling Pre- and Post-Workout

If you're in a calorie deficit, it’s essential to fuel correctly to maintain muscle and energy levels. The key is prioritising protein and nutrient-dense foods while ensuring you’re still consuming pre- and post-workout meals.

  • Keep pre- and post-workout nutrition consistent: Even in a deficit, fuel your body appropriately around training.

  • Reduce calorie intake elsewhere: If cutting calories, do so from less essential meals/snacks rather than pre/post-workout meals.

  • Prioritise whole foods: Lean proteins, complex carbs, and healthy fats should make up most of your meals.


Example Calorie Deficit Meal Plan with Pre/Post-Workout Nutrition

Meal

Example

Calories

Pre-Workout

Oats with protein powder & banana

300-350

Post-Workout

Chicken with quinoa & roasted veggies

400-450

Lunch

Tuna salad with avocado & whole grain crackers

350-400

Snack

Greek yogurt with nuts & berries

200-250

Dinner

Baked salmon with roasted sweet potato

400-450

How to Ensure You’re Eating Enough on Rest Days

Eating enough on off days is just as important as on training days to support metabolism, muscle recovery, and prevent muscle loss. Many people under-eat on recovery days, which can slow progress and hinder performance.


How to Fuel Properly on Off Days

  • Maintain protein intake: Keep protein levels high to prevent muscle breakdown.

  • Adjust carbs slightly: Since energy expenditure is lower, reduce carbs slightly but don’t eliminate them.

  • Focus on nutrient-dense meals: Lean proteins, healthy fats, and fibre-rich carbs will keep you satisfied.


Example Off-Day Nutrition Plan

Meal

Example

Calories

Breakfast

Scrambled eggs with avocado on toast

350-400

Lunch

Chicken salad with quinoa and olive oil

400-450

Snack

Cottage cheese with berries and nuts

200-250

Dinner

Grilled salmon with sweet potato and greens

400-450

By fuelling correctly on both training and off days, you’ll support recovery, maintain muscle, and continue progressing—whether your goal is fat loss, muscle building, or improved performance.


TAKEAWAYS:

Pre- and post-workout nutrition should be non-negotiable in your routine, regardless of your fitness goals. Prioritising protein and carbohydrates before and after training will help you perform better, recover faster, and get stronger over time.

If you're in a calorie deficit, make sure you’re strategically structuring your meals to keep energy levels high while maintaining muscle mass. And don’t forget—eating enough on your off days is just as crucial for recovery and long-term success!


Need help?

Want a customised meal plan for your training goals? Let’s chat!



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