February 24, 2026

Why So Much Protein?

When people decide to “sort their diet out”, they usually start by thinking about what they need to cut back on.

Less sugar.
Less processed food.
Less takeaway.

All sensible.

But very few people ask the more important question:

What do I actually need more of?

For most people training in the gym — whether fat loss, muscle gain, or just wanting to feel better — the answer is simple:

Vegetables.
Fibre.
And protein.

So when we recommend increasing protein intake, the usual response is:

“Why so much?

Let’s clear that up.

Protein Isn’t a Trend — It’s a Foundation

Protein isn’t just for bodybuilders or people trying to look like a Marvel character.

It’s essential for:

Building and repairing muscle tissue
Supporting immune function
Producing enzymes and hormones
Maintaining lean mass as you age

And if you train regularly, your requirement goes up.

Strength training creates stress on the body. That’s the point. The adaptation — getting stronger, leaner, more resilient — only happens if you recover properly.

Protein is what drives that recovery.

As we emphasise in our approach to strength and longevity, training smart and staying consistent builds a capable body for life. But without adequate nutrition — especially protein — you’re leaving results on the table.

You don’t grow in the gym.

You grow when you recover.

Protein and Fat Loss: The Missing Piece

Most people understand that fat loss requires a calorie deficit. That’s basic energy balance — calories in versus calories out.

But what they don’t always understand is this:

When you reduce calories, you risk losing muscle as well as fat.

And that’s where protein becomes non-negotiable.

If protein intake is too low during a deficit:

Muscle mass can drop
Metabolic rate may decrease
Performance suffers
You end up looking smaller — but softer

No one wants the “skinny fat” outcome.

Adequate protein helps preserve lean tissue while body fat decreases. That means:

Better body composition
Stronger lifts
A more athletic look

Fat loss isn’t just about weighing less. It’s about maintaining muscle while reducing fat.

Protein protects that process.

The Thermic Effect: Your Body Works Harder

There’s also a metabolic advantage.

Protein has what’s called a thermic effect of food (TEF).

In simple terms, your body burns more calories digesting protein than it does digesting carbs or fats.

Roughly:

Protein: 20–30% of its calories are used during digestion
Carbs: 5–10%
Fats: 0–3%

Your body works harder to process protein. That costs energy.

Is it magic? No.

Is it useful for losing body fat? Absolutely.

Protein and Muscle Gain: You Can’t Build Without It

If fat loss is about protecting muscle, muscle gain is about building it.

Resistance training creates the stimulus.
Protein provides the building blocks.

Without enough protein:

Recovery slows
Strength plateaus
Progress stalls

And no, increasing protein doesn’t instantly turn you into The Incredible Hulk.

Muscle growth requires:

Progressive training
Adequate calories
Consistent protein intake

Protein supports growth. It doesn’t create it in isolation.

How Much Protein Do You Actually Need?

This is where people usually get uncomfortable.

At Foundry, we typically recommend starting around:

1.5 grams of protein per kilogram of bodyweight.

For example:

80kg individual → 120g of protein per day

For more advanced trainees or those in a deficit, this may move closer to 1.6 – 2.2g per kg.

When you see the total daily number, it can feel high.

But spread it out across the day, and it’s manageable.

For an 80kg person aiming for 120g:

Breakfast: 30–35g
Lunch: 30–40g
Dinner: 30–40g
Optional shake or snack: 20–30g

That’s not extreme. That’s structured.

The Real Problem: Distribution

Here’s what we commonly see:

Toast and coffee for breakfast
Small protein portion at lunch
Huge protein-heavy dinner

By the time dinner arrives, you’re trying to eat half a cow to catch up.

That’s not efficient.

Muscle protein synthesis — the process of building and repairing muscle — responds best to regular doses of protein throughout the day.

This is why, in our Nutrition Foundations, we emphasise regular meals and optimising protein intake.

Consistency beats panic eating at 8 pm.

Protein and Appetite Control

Here’s the part most people underestimate:

Protein keeps you full.

It increases satiety, reduces cravings, and makes it significantly easier to stick to a calorie target.

If you struggle with:

Mid-afternoon snacking
Late-night cravings
Constant hunger

There’s a good chance protein intake is too low.

Hitting your protein target removes half the battle of calorie control.

What Counts as Quality Protein?

Not all protein sources are equal.

Complete proteins — those containing all essential amino acids — should form the foundation of your intake.

Examples:

Chicken
Turkey
Lean cuts of red meat
Eggs
Greek yoghurt
Cottage cheese
Fish and seafood

Plant-based eaters can absolutely hit targets too, but it requires more planning:

Lentils
Beans
Tofu
Tempeh
Combining plant sources to complete amino acid profiles

The key is consistency, not perfection.

Do You Need Protein Shakes?

Short answer: no.

Longer answer: they’re useful.

Food comes first. Always.

That’s the hierarchy we follow — calories and macros matter more than supplements.

But protein powder is:

Convenient
Portable
Easy post-training

If you struggle to hit 120g through food alone, a shake makes life simpler.

Just don’t replace real meals with three scoops and call it optimal.

Protein Myths

Let’s address a few.

“Too much protein damages your kidneys.”
In healthy individuals, this isn’t supported by evidence.

“Protein makes you bulky.”
Excess calories make you bulky. Protein supports muscle repair.

“You only need protein on training days.”
Recovery happens every day, not just when you lift.

Protein and Longevity

As we age, muscle mass naturally declines.

That loss of muscle impacts:

Metabolic rate
Insulin sensitivity
Injury risk
Independence

If strength training is non-negotiable for long-term health, then protein is its nutritional partner.

Muscle isn’t just aesthetic.

It’s protective.

The Foundry Standard

We don’t push extremes.

We don’t eliminate food groups unnecessarily.

We focus on fundamentals that move the needle.

And adequate protein intake is one of those fundamentals.

It supports:

Fat loss
Muscle gain
Recovery
Appetite control
Long-term resilience

Most people aren’t overeating protein.

They’re under-eating it.

So… Why So Much Protein?

Because you train hard.

Because you want to look leaner without looking smaller.

Because you want to build muscle, not just burn calories.

Because you want results that last — not quick fixes.

Protein isn’t excessive.

It’s foundational.

If you’re unsure how much you need — or how to structure it around your training — that’s exactly what we help our members with every day.

Training provides the stimulus.

Nutrition — especially protein — determines the outcome.